* [PATCH v3 21/29] KVM: PPC: Book3S PR: add emulation for trechkpt in PR KVM.
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
This patch adds host emulation when guest PR KVM executes "trechkpt.",
which is a privileged instruction and will trap into host.
We firstly copy vcpu ongoing content into vcpu tm checkpoint
content, then perform kvmppc_restore_tm_pr() to do trechkpt.
with updated vcpu tm checkpoint vals.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/include/asm/kvm_book3s.h | 2 ++
arch/powerpc/kvm/book3s_emulate.c | 61 +++++++++++++++++++++++++++++++++++
arch/powerpc/kvm/book3s_pr.c | 2 +-
3 files changed, 64 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index c1cea82..2940de7 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -262,10 +262,12 @@ extern void kvmppc_update_lpcr(struct kvm *kvm, unsigned long lpcr,
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
void kvmppc_save_tm_pr(struct kvm_vcpu *vcpu);
void kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu);
+void kvmppc_save_tm_sprs(struct kvm_vcpu *vcpu);
void kvmppc_restore_tm_sprs(struct kvm_vcpu *vcpu);
#else
static inline void kvmppc_save_tm_pr(struct kvm_vcpu *vcpu) {}
static inline void kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu) {}
+static inline void kvmppc_save_tm_sprs(struct kvm_vcpu *vcpu) {}
static inline void kvmppc_restore_tm_sprs(struct kvm_vcpu *vcpu) {}
#endif
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 04c29e0..b7530cf 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -52,6 +52,7 @@
#define OP_31_XOP_TBEGIN 654
#define OP_31_XOP_TRECLAIM 942
+#define OP_31_XOP_TRCHKPT 1006
/* DCBZ is actually 1014, but we patch it to 1010 so we get a trap */
#define OP_31_XOP_DCBZ 1010
@@ -172,6 +173,29 @@ static void kvmppc_emulate_treclaim(struct kvm_vcpu *vcpu, int ra_val)
kvmppc_set_msr(vcpu, guest_msr);
preempt_enable();
}
+
+static void kvmppc_emulate_trchkpt(struct kvm_vcpu *vcpu)
+{
+ unsigned long guest_msr = kvmppc_get_msr(vcpu);
+
+ preempt_disable();
+ /*
+ * need flush FP/VEC/VSX to vcpu save area before
+ * copy.
+ */
+ kvmppc_giveup_ext(vcpu, MSR_VSX);
+ kvmppc_copyto_vcpu_tm(vcpu);
+ kvmppc_save_tm_sprs(vcpu);
+
+ /*
+ * as a result of trecheckpoint. set TS to suspended.
+ */
+ guest_msr &= ~(MSR_TS_MASK);
+ guest_msr |= MSR_TS_S;
+ kvmppc_set_msr(vcpu, guest_msr);
+ kvmppc_restore_tm_pr(vcpu);
+ preempt_enable();
+}
#endif
int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
@@ -478,6 +502,43 @@ int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
kvmppc_emulate_treclaim(vcpu, ra_val);
break;
}
+ case OP_31_XOP_TRCHKPT:
+ {
+ ulong guest_msr = kvmppc_get_msr(vcpu);
+ unsigned long texasr;
+
+ if (!cpu_has_feature(CPU_FTR_TM))
+ break;
+
+ if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
+ kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
+ emulated = EMULATE_AGAIN;
+ break;
+ }
+
+ /* generate interrupt based on priorities */
+ if (guest_msr & MSR_PR) {
+ /* Privileged Instruction type Program Intr */
+ kvmppc_core_queue_program(vcpu, SRR1_PROGPRIV);
+ emulated = EMULATE_AGAIN;
+ break;
+ }
+
+ tm_enable();
+ texasr = mfspr(SPRN_TEXASR);
+ tm_disable();
+
+ if (MSR_TM_ACTIVE(guest_msr) ||
+ !(texasr & (TEXASR_FS))) {
+ /* TM bad thing interrupt */
+ kvmppc_core_queue_program(vcpu, SRR1_PROGTM);
+ emulated = EMULATE_AGAIN;
+ break;
+ }
+
+ kvmppc_emulate_trchkpt(vcpu);
+ break;
+ }
#endif
default:
emulated = EMULATE_FAIL;
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 9a72460..5359f9c 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -299,7 +299,7 @@ void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu)
}
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
-static inline void kvmppc_save_tm_sprs(struct kvm_vcpu *vcpu)
+void kvmppc_save_tm_sprs(struct kvm_vcpu *vcpu)
{
tm_enable();
vcpu->arch.tfhar = mfspr(SPRN_TFHAR);
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 22/29] KVM: PPC: Book3S PR: add emulation for tabort. for privilege guest
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
Currently privilege guest will be run with TM disabled.
Although the privilege guest cannot initiate a new transaction,
it can use tabort to terminate its problem state's transaction.
So it is still necessary to emulate tabort. for privilege guest.
This patch adds emulation for tabort. of privilege guest.
Tested with:
https://github.com/justdoitqd/publicFiles/blob/master/test_tabort.c
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/book3s_emulate.c | 68 +++++++++++++++++++++++++++++++++++++++
1 file changed, 68 insertions(+)
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index b7530cf..34f910e 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -50,6 +50,7 @@
#define OP_31_XOP_SLBMFEE 915
#define OP_31_XOP_TBEGIN 654
+#define OP_31_XOP_TABORT 910
#define OP_31_XOP_TRECLAIM 942
#define OP_31_XOP_TRCHKPT 1006
@@ -196,6 +197,47 @@ static void kvmppc_emulate_trchkpt(struct kvm_vcpu *vcpu)
kvmppc_restore_tm_pr(vcpu);
preempt_enable();
}
+
+/* emulate tabort. at guest privilege state */
+static void kvmppc_emulate_tabort(struct kvm_vcpu *vcpu, int ra_val)
+{
+ /* currently we only emulate tabort. but no emulation of other
+ * tabort variants since there is no kernel usage of them at
+ * present.
+ */
+ unsigned long guest_msr = kvmppc_get_msr(vcpu);
+
+ preempt_disable();
+ tm_enable();
+ tm_abort(ra_val);
+
+ /* CR0 = 0 | MSR[TS] | 0 */
+ vcpu->arch.cr = (vcpu->arch.cr & ~(CR0_MASK << CR0_SHIFT)) |
+ (((guest_msr & MSR_TS_MASK) >> (MSR_TS_S_LG - 1))
+ << CR0_SHIFT);
+
+ vcpu->arch.texasr = mfspr(SPRN_TEXASR);
+ /* failure recording depends on Failure Summary bit,
+ * and tabort will be treated as nops in non-transactional
+ * state.
+ */
+ if (!(vcpu->arch.texasr & TEXASR_FS) &&
+ MSR_TM_ACTIVE(guest_msr)) {
+ vcpu->arch.texasr &= ~(TEXASR_PR | TEXASR_HV);
+ if (guest_msr & MSR_PR)
+ vcpu->arch.texasr |= TEXASR_PR;
+
+ if (guest_msr & MSR_HV)
+ vcpu->arch.texasr |= TEXASR_HV;
+
+ vcpu->arch.tfiar = kvmppc_get_pc(vcpu);
+ mtspr(SPRN_TEXASR, vcpu->arch.texasr);
+ mtspr(SPRN_TFIAR, vcpu->arch.tfiar);
+ }
+ tm_disable();
+ preempt_enable();
+}
+
#endif
int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
@@ -468,6 +510,32 @@ int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
emulated = EMULATE_FAIL;
break;
}
+ case OP_31_XOP_TABORT:
+ {
+ ulong guest_msr = kvmppc_get_msr(vcpu);
+ unsigned long ra_val = 0;
+
+ if (!cpu_has_feature(CPU_FTR_TM))
+ break;
+
+ if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
+ kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
+ emulated = EMULATE_AGAIN;
+ break;
+ }
+
+ /* only emulate for privilege guest, since problem state
+ * guest can run with TM enabled and we don't expect to
+ * trap at here for that case.
+ */
+ WARN_ON(guest_msr & MSR_PR);
+
+ if (ra)
+ ra_val = kvmppc_get_gpr(vcpu, ra);
+
+ kvmppc_emulate_tabort(vcpu, ra_val);
+ break;
+ }
case OP_31_XOP_TRECLAIM:
{
ulong guest_msr = kvmppc_get_msr(vcpu);
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 23/29] KVM: PPC: Book3S PR: add guard code to prevent returning to guest with PR=0 and Transactional state
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
Currently PR KVM doesn't support transaction memory at guest privilege
state.
This patch adds a check at setting guest msr, so that we can never return
to guest with PR=0 and TS=0b10. A tabort will be emulated to indicate
this and fail transaction immediately.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/include/uapi/asm/tm.h | 2 +-
arch/powerpc/kvm/book3s.h | 6 ++++++
arch/powerpc/kvm/book3s_emulate.c | 2 +-
arch/powerpc/kvm/book3s_pr.c | 13 ++++++++++++-
4 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/include/uapi/asm/tm.h b/arch/powerpc/include/uapi/asm/tm.h
index e1bf0e2..e2947c9 100644
--- a/arch/powerpc/include/uapi/asm/tm.h
+++ b/arch/powerpc/include/uapi/asm/tm.h
@@ -13,7 +13,7 @@
#define TM_CAUSE_TLBI 0xdc
#define TM_CAUSE_FAC_UNAV 0xda
#define TM_CAUSE_SYSCALL 0xd8
-#define TM_CAUSE_MISC 0xd6 /* future use */
+#define TM_CAUSE_PRIV_T 0xd6
#define TM_CAUSE_SIGNAL 0xd4
#define TM_CAUSE_ALIGNMENT 0xd2
#define TM_CAUSE_EMULATE 0xd0
diff --git a/arch/powerpc/kvm/book3s.h b/arch/powerpc/kvm/book3s.h
index 4ad5e28..14ef035 100644
--- a/arch/powerpc/kvm/book3s.h
+++ b/arch/powerpc/kvm/book3s.h
@@ -31,4 +31,10 @@ extern int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu,
extern int kvmppc_book3s_init_pr(void);
extern void kvmppc_book3s_exit_pr(void);
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+extern void kvmppc_emulate_tabort(struct kvm_vcpu *vcpu, int ra_val);
+#else
+static inline void kvmppc_emulate_tabort(struct kvm_vcpu *vcpu, int ra_val) {}
+#endif
+
#endif
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 34f910e..67d0fb40 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -199,7 +199,7 @@ static void kvmppc_emulate_trchkpt(struct kvm_vcpu *vcpu)
}
/* emulate tabort. at guest privilege state */
-static void kvmppc_emulate_tabort(struct kvm_vcpu *vcpu, int ra_val)
+void kvmppc_emulate_tabort(struct kvm_vcpu *vcpu, int ra_val)
{
/* currently we only emulate tabort. but no emulation of other
* tabort variants since there is no kernel usage of them at
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 5359f9c..526c928 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -446,12 +446,23 @@ static void kvm_set_spte_hva_pr(struct kvm *kvm, unsigned long hva, pte_t pte)
static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr)
{
- ulong old_msr = kvmppc_get_msr(vcpu);
+ ulong old_msr;
#ifdef EXIT_DEBUG
printk(KERN_INFO "KVM: Set MSR to 0x%llx\n", msr);
#endif
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ /* We should never target guest MSR to TS=10 && PR=0,
+ * since we always fail transaction for guest privilege
+ * state.
+ */
+ if (!(msr & MSR_PR) && MSR_TM_TRANSACTIONAL(msr))
+ kvmppc_emulate_tabort(vcpu,
+ TM_CAUSE_PRIV_T | TM_CAUSE_PERSISTENT);
+#endif
+
+ old_msr = kvmppc_get_msr(vcpu);
msr &= to_book3s(vcpu)->msr_mask;
kvmppc_set_msr_fast(vcpu, msr);
kvmppc_recalc_shadow_msr(vcpu);
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 24/29] KVM: PPC: Book3S PR: Support TAR handling for PR KVM HTM.
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
Currently guest kernel doesn't handle TAR fac unavailable and it always
runs with TAR bit on. PR KVM will lazily enable TAR. TAR is not a
frequent-use reg and it is not included in SVCPU struct.
Due to the above, the checkpointed TAR val might be a bogus TAR val.
To solve this issue, we will make vcpu->arch.fscr tar bit consistent
with shadow_fscr when TM enabled.
At the end of emulating treclaim., the correct TAR val need to be loaded
into reg if FSCR_TAR bit is on.
At the beginning of emulating trechkpt., TAR needs to be flushed so that
the right tar val can be copy into tar_tm.
Tested with:
tools/testing/selftests/powerpc/tm/tm-tar
tools/testing/selftests/powerpc/ptrace/ptrace-tm-tar (remove DSCR/PPR
related testing).
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/include/asm/kvm_book3s.h | 2 ++
arch/powerpc/kvm/book3s_emulate.c | 4 ++++
arch/powerpc/kvm/book3s_pr.c | 21 ++++++++++++++++-----
arch/powerpc/kvm/tm.S | 16 ++++++++++++++--
4 files changed, 36 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 2940de7..1f345a0 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -271,6 +271,8 @@ static inline void kvmppc_save_tm_sprs(struct kvm_vcpu *vcpu) {}
static inline void kvmppc_restore_tm_sprs(struct kvm_vcpu *vcpu) {}
#endif
+void kvmppc_giveup_fac(struct kvm_vcpu *vcpu, ulong fac);
+
extern int kvm_irq_bypass;
static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 67d0fb40..fdbc695 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -173,6 +173,9 @@ static void kvmppc_emulate_treclaim(struct kvm_vcpu *vcpu, int ra_val)
guest_msr &= ~(MSR_TS_MASK);
kvmppc_set_msr(vcpu, guest_msr);
preempt_enable();
+
+ if (vcpu->arch.shadow_fscr & FSCR_TAR)
+ mtspr(SPRN_TAR, vcpu->arch.tar);
}
static void kvmppc_emulate_trchkpt(struct kvm_vcpu *vcpu)
@@ -185,6 +188,7 @@ static void kvmppc_emulate_trchkpt(struct kvm_vcpu *vcpu)
* copy.
*/
kvmppc_giveup_ext(vcpu, MSR_VSX);
+ kvmppc_giveup_fac(vcpu, FSCR_TAR_LG);
kvmppc_copyto_vcpu_tm(vcpu);
kvmppc_save_tm_sprs(vcpu);
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 526c928..8efc87b 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -55,7 +55,7 @@
static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
ulong msr);
-static void kvmppc_giveup_fac(struct kvm_vcpu *vcpu, ulong fac);
+static int kvmppc_handle_fac(struct kvm_vcpu *vcpu, ulong fac);
/* Some compatibility defines */
#ifdef CONFIG_PPC_BOOK3S_32
@@ -346,6 +346,7 @@ void kvmppc_save_tm_pr(struct kvm_vcpu *vcpu)
return;
}
+ kvmppc_giveup_fac(vcpu, FSCR_TAR_LG);
kvmppc_giveup_ext(vcpu, MSR_VSX);
preempt_disable();
@@ -357,8 +358,11 @@ void kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu)
{
if (!MSR_TM_ACTIVE(kvmppc_get_msr(vcpu))) {
kvmppc_restore_tm_sprs(vcpu);
- if (kvmppc_get_msr(vcpu) & MSR_TM)
+ if (kvmppc_get_msr(vcpu) & MSR_TM) {
kvmppc_handle_lost_math_exts(vcpu);
+ if (vcpu->arch.fscr & FSCR_TAR)
+ kvmppc_handle_fac(vcpu, FSCR_TAR_LG);
+ }
return;
}
@@ -366,9 +370,11 @@ void kvmppc_restore_tm_pr(struct kvm_vcpu *vcpu)
_kvmppc_restore_tm_pr(vcpu, kvmppc_get_msr(vcpu));
preempt_enable();
- if (kvmppc_get_msr(vcpu) & MSR_TM)
+ if (kvmppc_get_msr(vcpu) & MSR_TM) {
kvmppc_handle_lost_math_exts(vcpu);
-
+ if (vcpu->arch.fscr & FSCR_TAR)
+ kvmppc_handle_fac(vcpu, FSCR_TAR_LG);
+ }
}
#endif
@@ -819,7 +825,7 @@ void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
}
/* Give up facility (TAR / EBB / DSCR) */
-static void kvmppc_giveup_fac(struct kvm_vcpu *vcpu, ulong fac)
+void kvmppc_giveup_fac(struct kvm_vcpu *vcpu, ulong fac)
{
#ifdef CONFIG_PPC_BOOK3S_64
if (!(vcpu->arch.shadow_fscr & (1ULL << fac))) {
@@ -1020,7 +1026,12 @@ void kvmppc_set_fscr(struct kvm_vcpu *vcpu, u64 fscr)
if ((vcpu->arch.fscr & FSCR_TAR) && !(fscr & FSCR_TAR)) {
/* TAR got dropped, drop it in shadow too */
kvmppc_giveup_fac(vcpu, FSCR_TAR_LG);
+ } else if (!(vcpu->arch.fscr & FSCR_TAR) && (fscr & FSCR_TAR)) {
+ vcpu->arch.fscr = fscr;
+ kvmppc_handle_fac(vcpu, FSCR_TAR_LG);
+ return;
}
+
vcpu->arch.fscr = fscr;
}
#endif
diff --git a/arch/powerpc/kvm/tm.S b/arch/powerpc/kvm/tm.S
index 42a7cd8..e6ce4c7 100644
--- a/arch/powerpc/kvm/tm.S
+++ b/arch/powerpc/kvm/tm.S
@@ -225,15 +225,21 @@ _GLOBAL(_kvmppc_save_tm_pr)
mfmsr r5
SAVE_GPR(5, r1)
- /* also save DSCR/CR so that it can be recovered later */
+ /* also save DSCR/CR/TAR so that it can be recovered later */
mfspr r6, SPRN_DSCR
SAVE_GPR(6, r1)
mfcr r7
stw r7, _CCR(r1)
+ mfspr r8, SPRN_TAR
+ SAVE_GPR(8, r1)
+
bl __kvmppc_save_tm
+ REST_GPR(8, r1)
+ mtspr SPRN_TAR, r8
+
ld r7, _CCR(r1)
mtcr r7
@@ -423,15 +429,21 @@ _GLOBAL(_kvmppc_restore_tm_pr)
mfmsr r5
SAVE_GPR(5, r1)
- /* also save DSCR/CR so that it can be recovered later */
+ /* also save DSCR/CR/TAR so that it can be recovered later */
mfspr r6, SPRN_DSCR
SAVE_GPR(6, r1)
mfcr r7
stw r7, _CCR(r1)
+ mfspr r8, SPRN_TAR
+ SAVE_GPR(8, r1)
+
bl __kvmppc_restore_tm
+ REST_GPR(8, r1)
+ mtspr SPRN_TAR, r8
+
ld r7, _CCR(r1)
mtcr r7
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 25/29] KVM: PPC: Book3S PR: enable HTM for PR KVM for KVM_CHECK_EXTENSION ioctl
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
With current patch set, PR KVM now supports HTM. So this patch turns it
on for PR KVM.
Tested with:
https://github.com/justdoitqd/publicFiles/blob/master/test_kvm_htm_cap.c
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/powerpc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index bef27b1..1fa5bbe 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -648,9 +648,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
#endif
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
case KVM_CAP_PPC_HTM:
- r = hv_enabled &&
- (!!(cur_cpu_spec->cpu_user_features2 & PPC_FEATURE2_HTM) ||
- cpu_has_feature(CPU_FTR_P9_TM_HV_ASSIST));
+ r = !!(cur_cpu_spec->cpu_user_features2 & PPC_FEATURE2_HTM) ||
+ (hv_enabled && cpu_has_feature(CPU_FTR_P9_TM_HV_ASSIST));
break;
#endif
default:
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 26/29] KVM: PPC: move vcpu_load/vcpu_put down to each ioctl case in kvm_arch_vcpu_ioctl
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
Although we already have kvm_arch_vcpu_async_ioctl() which doesn't require
ioctl to load vcpu, the sync ioctl code need to be cleaned up when
CONFIG_HAVE_KVM_VCPU_ASYNC_IOCTL is not configured.
This patch moves vcpu_load/vcpu_put down to each ioctl switch case so that
each ioctl can decide to do vcpu_load/vcpu_put or not independently.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/powerpc.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 1fa5bbe..c9098ff 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1783,16 +1783,16 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
void __user *argp = (void __user *)arg;
long r;
- vcpu_load(vcpu);
-
switch (ioctl) {
case KVM_ENABLE_CAP:
{
struct kvm_enable_cap cap;
r = -EFAULT;
+ vcpu_load(vcpu);
if (copy_from_user(&cap, argp, sizeof(cap)))
goto out;
r = kvm_vcpu_ioctl_enable_cap(vcpu, &cap);
+ vcpu_put(vcpu);
break;
}
@@ -1801,12 +1801,14 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
{
struct kvm_one_reg reg;
r = -EFAULT;
+ vcpu_load(vcpu);
if (copy_from_user(®, argp, sizeof(reg)))
goto out;
if (ioctl == KVM_SET_ONE_REG)
r = kvm_vcpu_ioctl_set_one_reg(vcpu, ®);
else
r = kvm_vcpu_ioctl_get_one_reg(vcpu, ®);
+ vcpu_put(vcpu);
break;
}
@@ -1814,9 +1816,11 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
case KVM_DIRTY_TLB: {
struct kvm_dirty_tlb dirty;
r = -EFAULT;
+ vcpu_load(vcpu);
if (copy_from_user(&dirty, argp, sizeof(dirty)))
goto out;
r = kvm_vcpu_ioctl_dirty_tlb(vcpu, &dirty);
+ vcpu_put(vcpu);
break;
}
#endif
@@ -1825,7 +1829,6 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
}
out:
- vcpu_put(vcpu);
return r;
}
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 27/29] KVM: PPC: remove load/put vcpu for KVM_GET/SET_ONE_REG ioctl
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
Due to the vcpu mutex locking/unlock has been moved out of vcpu_load()
/vcpu_put(), KVM_GET_ONE_REG and KVM_SET_ONE_REG doesn't need to do
ioctl with loading vcpu anymore. This patch removes vcpu_load()/vcpu_put()
from KVM_GET_ONE_REG and KVM_SET_ONE_REG ioctl.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/powerpc.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index c9098ff..5def68d 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1801,14 +1801,12 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
{
struct kvm_one_reg reg;
r = -EFAULT;
- vcpu_load(vcpu);
if (copy_from_user(®, argp, sizeof(reg)))
goto out;
if (ioctl == KVM_SET_ONE_REG)
r = kvm_vcpu_ioctl_set_one_reg(vcpu, ®);
else
r = kvm_vcpu_ioctl_get_one_reg(vcpu, ®);
- vcpu_put(vcpu);
break;
}
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 28/29] KVM: PPC: remove load/put vcpu for KVM_GET_REGS/KVM_SET_REGS
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
In both HV/PR KVM, the KVM_SET_REGS/KVM_GET_REGS ioctl should
be able to perform without load vcpu. This patch adds
KVM_SET_ONE_REG/KVM_GET_ONE_REG implementation to async ioctl
function.
Due to the vcpu mutex locking/unlock has been moved out of vcpu_load()
/vcpu_put(), KVM_SET_REGS/KVM_GET_REGS don't need to do
ioctl with loading vcpu anymore. This patch removes vcpu_load()/vcpu_put()
from KVM_SET_REGS/KVM_GET_REGS ioctl.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/book3s.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 97d4a11..523c68f 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -509,8 +509,6 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
int i;
- vcpu_load(vcpu);
-
regs->pc = kvmppc_get_pc(vcpu);
regs->cr = kvmppc_get_cr(vcpu);
regs->ctr = kvmppc_get_ctr(vcpu);
@@ -532,7 +530,6 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
- vcpu_put(vcpu);
return 0;
}
@@ -540,8 +537,6 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
int i;
- vcpu_load(vcpu);
-
kvmppc_set_pc(vcpu, regs->pc);
kvmppc_set_cr(vcpu, regs->cr);
kvmppc_set_ctr(vcpu, regs->ctr);
@@ -562,7 +557,6 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
- vcpu_put(vcpu);
return 0;
}
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 29/29] KVM: PPC: Book3S PR: enable kvmppc_get/set_one_reg_pr() for HTM registers
From: wei.guo.simon @ 2018-05-21 4:09 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Paul Mackerras, kvm, kvm-ppc, Simon Guo
In-Reply-To: <1526875786-10372-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
We need to migrate PR KVM during transaction and qemu will use
kvmppc_get_one_reg_pr()/kvmppc_set_one_reg_pr() APIs to get/set
transaction checkpoint state. This patch adds support for that.
So far PPC PR qemu doesn't fully function for migration but the
savevm/loadvm can be done against a RHEL72 guest. During savevm/
loadvm procedure, the kvm ioctls will be invoked as well.
Test has been performed to savevm/loadvm for a guest running
a HTM test program:
https://github.com/justdoitqd/publicFiles/blob/master/test-tm-mig.c
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/book3s_pr.c | 133 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 133 insertions(+)
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 8efc87b..7e76c4a 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -1537,6 +1537,73 @@ static int kvmppc_get_one_reg_pr(struct kvm_vcpu *vcpu, u64 id,
else
*val = get_reg_val(id, 0);
break;
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ case KVM_REG_PPC_TFHAR:
+ *val = get_reg_val(id, vcpu->arch.tfhar);
+ break;
+ case KVM_REG_PPC_TFIAR:
+ *val = get_reg_val(id, vcpu->arch.tfiar);
+ break;
+ case KVM_REG_PPC_TEXASR:
+ *val = get_reg_val(id, vcpu->arch.texasr);
+ break;
+ case KVM_REG_PPC_TM_GPR0 ... KVM_REG_PPC_TM_GPR31:
+ *val = get_reg_val(id,
+ vcpu->arch.gpr_tm[id-KVM_REG_PPC_TM_GPR0]);
+ break;
+ case KVM_REG_PPC_TM_VSR0 ... KVM_REG_PPC_TM_VSR63:
+ {
+ int i, j;
+
+ i = id - KVM_REG_PPC_TM_VSR0;
+ if (i < 32)
+ for (j = 0; j < TS_FPRWIDTH; j++)
+ val->vsxval[j] = vcpu->arch.fp_tm.fpr[i][j];
+ else {
+ if (cpu_has_feature(CPU_FTR_ALTIVEC))
+ val->vval = vcpu->arch.vr_tm.vr[i-32];
+ else
+ r = -ENXIO;
+ }
+ break;
+ }
+ case KVM_REG_PPC_TM_CR:
+ *val = get_reg_val(id, vcpu->arch.cr_tm);
+ break;
+ case KVM_REG_PPC_TM_XER:
+ *val = get_reg_val(id, vcpu->arch.xer_tm);
+ break;
+ case KVM_REG_PPC_TM_LR:
+ *val = get_reg_val(id, vcpu->arch.lr_tm);
+ break;
+ case KVM_REG_PPC_TM_CTR:
+ *val = get_reg_val(id, vcpu->arch.ctr_tm);
+ break;
+ case KVM_REG_PPC_TM_FPSCR:
+ *val = get_reg_val(id, vcpu->arch.fp_tm.fpscr);
+ break;
+ case KVM_REG_PPC_TM_AMR:
+ *val = get_reg_val(id, vcpu->arch.amr_tm);
+ break;
+ case KVM_REG_PPC_TM_PPR:
+ *val = get_reg_val(id, vcpu->arch.ppr_tm);
+ break;
+ case KVM_REG_PPC_TM_VRSAVE:
+ *val = get_reg_val(id, vcpu->arch.vrsave_tm);
+ break;
+ case KVM_REG_PPC_TM_VSCR:
+ if (cpu_has_feature(CPU_FTR_ALTIVEC))
+ *val = get_reg_val(id, vcpu->arch.vr_tm.vscr.u[3]);
+ else
+ r = -ENXIO;
+ break;
+ case KVM_REG_PPC_TM_DSCR:
+ *val = get_reg_val(id, vcpu->arch.dscr_tm);
+ break;
+ case KVM_REG_PPC_TM_TAR:
+ *val = get_reg_val(id, vcpu->arch.tar_tm);
+ break;
+#endif
default:
r = -EINVAL;
break;
@@ -1570,6 +1637,72 @@ static int kvmppc_set_one_reg_pr(struct kvm_vcpu *vcpu, u64 id,
case KVM_REG_PPC_LPCR_64:
kvmppc_set_lpcr_pr(vcpu, set_reg_val(id, *val));
break;
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ case KVM_REG_PPC_TFHAR:
+ vcpu->arch.tfhar = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TFIAR:
+ vcpu->arch.tfiar = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TEXASR:
+ vcpu->arch.texasr = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_GPR0 ... KVM_REG_PPC_TM_GPR31:
+ vcpu->arch.gpr_tm[id - KVM_REG_PPC_TM_GPR0] =
+ set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_VSR0 ... KVM_REG_PPC_TM_VSR63:
+ {
+ int i, j;
+
+ i = id - KVM_REG_PPC_TM_VSR0;
+ if (i < 32)
+ for (j = 0; j < TS_FPRWIDTH; j++)
+ vcpu->arch.fp_tm.fpr[i][j] = val->vsxval[j];
+ else
+ if (cpu_has_feature(CPU_FTR_ALTIVEC))
+ vcpu->arch.vr_tm.vr[i-32] = val->vval;
+ else
+ r = -ENXIO;
+ break;
+ }
+ case KVM_REG_PPC_TM_CR:
+ vcpu->arch.cr_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_XER:
+ vcpu->arch.xer_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_LR:
+ vcpu->arch.lr_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_CTR:
+ vcpu->arch.ctr_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_FPSCR:
+ vcpu->arch.fp_tm.fpscr = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_AMR:
+ vcpu->arch.amr_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_PPR:
+ vcpu->arch.ppr_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_VRSAVE:
+ vcpu->arch.vrsave_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_VSCR:
+ if (cpu_has_feature(CPU_FTR_ALTIVEC))
+ vcpu->arch.vr.vscr.u[3] = set_reg_val(id, *val);
+ else
+ r = -ENXIO;
+ break;
+ case KVM_REG_PPC_TM_DSCR:
+ vcpu->arch.dscr_tm = set_reg_val(id, *val);
+ break;
+ case KVM_REG_PPC_TM_TAR:
+ vcpu->arch.tar_tm = set_reg_val(id, *val);
+ break;
+#endif
default:
r = -EINVAL;
break;
--
1.8.3.1
^ permalink raw reply related
* Re: [PATCH-RESEND] cxl: Disable prefault_mode in Radix mode
From: Andrew Donnellan @ 2018-05-21 4:56 UTC (permalink / raw)
To: Vaibhav Jain, linuxppc-dev, Frederic Barrat
Cc: Vaibhav Jain, Christophe Lombard, Philippe Bergheaud,
Alastair D'Silva, stable
In-Reply-To: <20180518094223.786-1-vaibhav@linux.vnet.ibm.com>
On 18/05/18 19:42, Vaibhav Jain wrote:
> From: Vaibhav Jain <vaibhav@linux.ibm.com>
>
> Currently we see a kernel-oops reported on Power-9 while attaching a
> context to an AFU, with radix-mode and sysfs attr 'prefault_mode' set
> to anything other than 'none'. The backtrace of the oops is of this
> form:
>
> Unable to handle kernel paging request for data at address 0x00000080
> Faulting instruction address: 0xc00800000bcf3b20
> cpu 0x1: Vector: 300 (Data Access) at [c00000037f003800]
> pc: c00800000bcf3b20: cxl_load_segment+0x178/0x290 [cxl]
> lr: c00800000bcf39f0: cxl_load_segment+0x48/0x290 [cxl]
> sp: c00000037f003a80
> msr: 9000000000009033
> dar: 80
> dsisr: 40000000
> current = 0xc00000037f280000
> paca = 0xc0000003ffffe600 softe: 3 irq_happened: 0x01
> pid = 3529, comm = afp_no_int
> <snip>
> [c00000037f003af0] c00800000bcf4424 cxl_prefault+0xfc/0x248 [cxl]
> [c00000037f003b50] c00800000bcf8a40 process_element_entry_psl9+0xd8/0x1a0 [cxl]
> [c00000037f003b90] c00800000bcf944c cxl_attach_dedicated_process_psl9+0x44/0x130 [cxl]
> [c00000037f003bd0] c00800000bcf5448 native_attach_process+0xc0/0x130 [cxl]
> [c00000037f003c50] c00800000bcf16cc afu_ioctl+0x3f4/0x5e0 [cxl]
> [c00000037f003d00] c00000000039d98c do_vfs_ioctl+0xdc/0x890
> [c00000037f003da0] c00000000039e1a8 ksys_ioctl+0x68/0xf0
> [c00000037f003df0] c00000000039e270 sys_ioctl+0x40/0xa0
> [c00000037f003e30] c00000000000b320 system_call+0x58/0x6c
> --- Exception: c01 (System Call) at 0000000010053bb0
>
> The issue is caused as on Power-8 the AFU attr 'prefault_mode' was
> used to improve initial storage fault performance by prefaulting
> process segments. However on Power-9 with radix mode we don't have
> Storage-Segments that we can prefault. Also prefaulting process Pages
> will be too costly and fine-grained.
>
> Hence, since the prefaulting mechanism doesn't makes sense of
> radix-mode, this patch updates prefault_mode_store() to not allow any
> other value apart from CXL_PREFAULT_NONE when radix mode is enabled.
>
> Cc: <stable@vger.kernel.org>
> Fixes: f24be42aab37 ("cxl: Add psl9 specific code")
> Signed-off-by: Vaibhav Jain <vaibhav@linux.ibm.com>
> ---
> Change-log:
>
> Resend -> Updated the commit description to add more info on the
> issue seen [Andrew]
Thanks for redoing the commit message.
This looks good to me.
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com IBM Australia Limited
^ permalink raw reply
* [PATCH v3 0/7] KVM: PPC: reimplement mmio emulation with analyse_instr()
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
From: Simon Guo <wei.guo.simon@gmail.com>
We already have analyse_instr() which analyzes instructions for the instruction
type, size, addtional flags, etc. What kvmppc_emulate_loadstore() did is somehow
duplicated and it will be good to utilize analyse_instr() to reimplement the
code. The advantage is that the code logic will be shared and more clean to be
maintained.
This patch series reimplement kvmppc_emulate_loadstore() for various load/store
instructions.
The testcase locates at:
https://github.com/justdoitqd/publicFiles/blob/master/test_mmio.c
- Tested at both PR/HV KVM.
- Also tested with little endian host & big endian guest.
Tested instruction list:
lbz lbzu lbzx ld ldbrx
ldu ldx lfd lfdu lfdx
lfiwax lfiwzx lfs lfsu lfsx
lha lhau lhax lhbrx lhz
lhzu lhzx lvx lwax lwbrx
lwz lwzu lwzx lxsdx lxsiwax
lxsiwzx lxsspx lxvd2x lxvdsx lxvw4x
stb stbu stbx std stdbrx
stdu stdx stfd stfdu stfdx
stfiwx stfs stfsx sth sthbrx
sthu sthx stvx stw stwbrx
stwu stwx stxsdx stxsiwx stxsspx
stxvd2x stxvw4x
lvebx stvebx
lvehx stvehx
lvewx stvewx
V2 -> V3 changes:
1) add FPU SIGNEXT case to handle lfiwax based on comment.
2) a minor change to go label "out:" when EMULATE_DO_MMIO
returned based on comment.
3) rebased to paul's kvm-ppc-next branch (3 patches was
merged into that branch and so this patch set includes 7
patches only).
V1 -> V2 changes:
1) correct patch split issue in v1.
2) revise some commit message/code comment per review comment
3) remove incorrect special handling for stxsiwx
4) remove mmio_update_ra related and move the RA update into
kvmppc_emulate_loadstore().
5) rework giveup_ext() which is only meaningful when not NULL.
6) rewrite VMX emulation code and cover rest VMX instructions:
lvebx stvebx
lvehx stvehx
lvewx stvewx
Simon Guo (7):
KVM: PPC: add KVMPPC_VSX_COPY_WORD_LOAD_DUMP type support for mmio
emulation
KVM: PPC: reimplement non-SIMD LOAD/STORE instruction mmio emulation
with analyse_intr() input
KVM: PPC: add giveup_ext() hook for PPC KVM ops
KVM: PPC: reimplement LOAD_FP/STORE_FP instruction mmio emulation with
analyse_intr() input
KVM: PPC: reimplements LOAD_VSX/STORE_VSX instruction mmio emulation
with analyse_intr() input
KVM: PPC: expand mmio_vsx_copy_type to mmio_copy_type to cover VMX
load/store elem types
KVM: PPC: reimplements LOAD_VMX/STORE_VMX instruction mmio emulation
with analyse_intr() input
arch/powerpc/include/asm/kvm_host.h | 11 +-
arch/powerpc/include/asm/kvm_ppc.h | 17 +-
arch/powerpc/kvm/book3s.c | 4 +-
arch/powerpc/kvm/book3s_pr.c | 1 +
arch/powerpc/kvm/e500_mmu_host.c | 8 +-
arch/powerpc/kvm/emulate_loadstore.c | 751 +++++++++++------------------------
arch/powerpc/kvm/powerpc.c | 299 +++++++++++---
7 files changed, 498 insertions(+), 593 deletions(-)
--
1.8.3.1
^ permalink raw reply
* [PATCH v3 1/7] KVM: PPC: add KVMPPC_VSX_COPY_WORD_LOAD_DUMP type support for mmio emulation
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
In-Reply-To: <1526880266-11291-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
Some VSX instruction like lxvwsx will splat word into VSR. This patch
adds VSX copy type KVMPPC_VSX_COPY_WORD_LOAD_DUMP to support this.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
Reviewed-by: Paul Mackerras <paulus@ozlabs.org>
---
arch/powerpc/include/asm/kvm_host.h | 1 +
arch/powerpc/kvm/powerpc.c | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 89f44ec..4bade29 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -453,6 +453,7 @@ struct mmio_hpte_cache {
#define KVMPPC_VSX_COPY_WORD 1
#define KVMPPC_VSX_COPY_DWORD 2
#define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3
+#define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4
struct openpic;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index bef27b1..45daf3b 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -907,6 +907,26 @@ static inline void kvmppc_set_vsr_dword_dump(struct kvm_vcpu *vcpu,
}
}
+static inline void kvmppc_set_vsr_word_dump(struct kvm_vcpu *vcpu,
+ u32 gpr)
+{
+ union kvmppc_one_reg val;
+ int index = vcpu->arch.io_gpr & KVM_MMIO_REG_MASK;
+
+ if (vcpu->arch.mmio_vsx_tx_sx_enabled) {
+ val.vsx32val[0] = gpr;
+ val.vsx32val[1] = gpr;
+ val.vsx32val[2] = gpr;
+ val.vsx32val[3] = gpr;
+ VCPU_VSX_VR(vcpu, index) = val.vval;
+ } else {
+ val.vsx32val[0] = gpr;
+ val.vsx32val[1] = gpr;
+ VCPU_VSX_FPR(vcpu, index, 0) = val.vsxval[0];
+ VCPU_VSX_FPR(vcpu, index, 1) = val.vsxval[0];
+ }
+}
+
static inline void kvmppc_set_vsr_word(struct kvm_vcpu *vcpu,
u32 gpr32)
{
@@ -1061,6 +1081,9 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
else if (vcpu->arch.mmio_vsx_copy_type ==
KVMPPC_VSX_COPY_DWORD_LOAD_DUMP)
kvmppc_set_vsr_dword_dump(vcpu, gpr);
+ else if (vcpu->arch.mmio_vsx_copy_type ==
+ KVMPPC_VSX_COPY_WORD_LOAD_DUMP)
+ kvmppc_set_vsr_word_dump(vcpu, gpr);
break;
#endif
#ifdef CONFIG_ALTIVEC
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 2/7] KVM: PPC: reimplement non-SIMD LOAD/STORE instruction mmio emulation with analyse_intr() input
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
In-Reply-To: <1526880266-11291-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
This patch reimplements non-SIMD LOAD/STORE instruction MMIO emulation
with analyse_intr() input. It utilizes the BYTEREV/UPDATE/SIGNEXT
properties exported by analyse_instr() and invokes
kvmppc_handle_load(s)/kvmppc_handle_store() accordingly.
It also move CACHEOP type handling into the skeleton.
instruction_type within kvm_ppc.h is renamed to avoid conflict with
sstep.h.
Suggested-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/include/asm/kvm_ppc.h | 6 +-
arch/powerpc/kvm/book3s.c | 4 +-
arch/powerpc/kvm/e500_mmu_host.c | 8 +-
arch/powerpc/kvm/emulate_loadstore.c | 271 ++++++-----------------------------
4 files changed, 51 insertions(+), 238 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index abe7032..139cdf0 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -52,7 +52,7 @@ enum emulation_result {
EMULATE_EXIT_USER, /* emulation requires exit to user-space */
};
-enum instruction_type {
+enum instruction_fetch_type {
INST_GENERIC,
INST_SC, /* system call */
};
@@ -93,7 +93,7 @@ extern int kvmppc_handle_vsx_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
int is_default_endian);
extern int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
- enum instruction_type type, u32 *inst);
+ enum instruction_fetch_type type, u32 *inst);
extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
bool data);
@@ -330,7 +330,7 @@ struct kvmppc_ops {
extern struct kvmppc_ops *kvmppc_pr_ops;
static inline int kvmppc_get_last_inst(struct kvm_vcpu *vcpu,
- enum instruction_type type, u32 *inst)
+ enum instruction_fetch_type type, u32 *inst)
{
int ret = EMULATE_DONE;
u32 fetched_inst;
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 97d4a11..320cdcf 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -450,8 +450,8 @@ int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid,
return r;
}
-int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_type type,
- u32 *inst)
+int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
+ enum instruction_fetch_type type, u32 *inst)
{
ulong pc = kvmppc_get_pc(vcpu);
int r;
diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index c878b4f..8f2985e 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -625,8 +625,8 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 eaddr, gpa_t gpaddr,
}
#ifdef CONFIG_KVM_BOOKE_HV
-int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_type type,
- u32 *instr)
+int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
+ enum instruction_fetch_type type, u32 *instr)
{
gva_t geaddr;
hpa_t addr;
@@ -715,8 +715,8 @@ int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_type type,
return EMULATE_DONE;
}
#else
-int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_type type,
- u32 *instr)
+int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
+ enum instruction_fetch_type type, u32 *instr)
{
return EMULATE_AGAIN;
}
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c
index b8a3aef..af7c71a 100644
--- a/arch/powerpc/kvm/emulate_loadstore.c
+++ b/arch/powerpc/kvm/emulate_loadstore.c
@@ -31,6 +31,7 @@
#include <asm/kvm_ppc.h>
#include <asm/disassemble.h>
#include <asm/ppc-opcode.h>
+#include <asm/sstep.h>
#include "timing.h"
#include "trace.h"
@@ -84,8 +85,9 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
struct kvm_run *run = vcpu->run;
u32 inst;
int ra, rs, rt;
- enum emulation_result emulated;
+ enum emulation_result emulated = EMULATE_FAIL;
int advance = 1;
+ struct instruction_op op;
/* this default type might be overwritten by subcategories */
kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS);
@@ -113,144 +115,61 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
vcpu->arch.mmio_vmx_copy_nums = 0;
vcpu->arch.mmio_host_swabbed = 0;
- switch (get_op(inst)) {
- case 31:
- switch (get_xop(inst)) {
- case OP_31_XOP_LWZX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
- break;
-
- case OP_31_XOP_LWZUX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_LBZX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
- break;
-
- case OP_31_XOP_LBZUX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_STDX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 8, 1);
- break;
-
- case OP_31_XOP_STDUX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
+ emulated = EMULATE_FAIL;
+ vcpu->arch.regs.msr = vcpu->arch.shared->msr;
+ vcpu->arch.regs.ccr = vcpu->arch.cr;
+ if (analyse_instr(&op, &vcpu->arch.regs, inst) == 0) {
+ int type = op.type & INSTR_TYPE_MASK;
+ int size = GETSIZE(op.type);
- case OP_31_XOP_STWX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 4, 1);
- break;
+ switch (type) {
+ case LOAD: {
+ int instr_byte_swap = op.type & BYTEREV;
- case OP_31_XOP_STWUX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
+ if (op.type & SIGNEXT)
+ emulated = kvmppc_handle_loads(run, vcpu,
+ op.reg, size, !instr_byte_swap);
+ else
+ emulated = kvmppc_handle_load(run, vcpu,
+ op.reg, size, !instr_byte_swap);
- case OP_31_XOP_STBX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 1, 1);
- break;
+ if ((op.type & UPDATE) && (emulated != EMULATE_FAIL))
+ kvmppc_set_gpr(vcpu, op.update_reg, op.ea);
- case OP_31_XOP_STBUX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 1, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_LHAX:
- emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
- break;
-
- case OP_31_XOP_LHAUX:
- emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_LHZX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
break;
+ }
+ case STORE:
+ /* if need byte reverse, op.val has been reversed by
+ * analyse_instr().
+ */
+ emulated = kvmppc_handle_store(run, vcpu, op.val,
+ size, 1);
- case OP_31_XOP_LHZUX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
+ if ((op.type & UPDATE) && (emulated != EMULATE_FAIL))
+ kvmppc_set_gpr(vcpu, op.update_reg, op.ea);
- case OP_31_XOP_STHX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 2, 1);
- break;
-
- case OP_31_XOP_STHUX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 2, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
break;
-
- case OP_31_XOP_DCBST:
- case OP_31_XOP_DCBF:
- case OP_31_XOP_DCBI:
+ case CACHEOP:
/* Do nothing. The guest is performing dcbi because
* hardware DMA is not snooped by the dcache, but
* emulated DMA either goes through the dcache as
* normal writes, or the host kernel has handled dcache
- * coherence. */
- break;
-
- case OP_31_XOP_LWBRX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 4, 0);
- break;
-
- case OP_31_XOP_STWBRX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 4, 0);
- break;
-
- case OP_31_XOP_LHBRX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 2, 0);
+ * coherence.
+ */
+ emulated = EMULATE_DONE;
break;
-
- case OP_31_XOP_STHBRX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 2, 0);
- break;
-
- case OP_31_XOP_LDBRX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 8, 0);
- break;
-
- case OP_31_XOP_STDBRX:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 8, 0);
- break;
-
- case OP_31_XOP_LDX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 8, 1);
- break;
-
- case OP_31_XOP_LDUX:
- emulated = kvmppc_handle_load(run, vcpu, rt, 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
+ default:
break;
+ }
+ }
- case OP_31_XOP_LWAX:
- emulated = kvmppc_handle_loads(run, vcpu, rt, 4, 1);
- break;
- case OP_31_XOP_LWAUX:
- emulated = kvmppc_handle_loads(run, vcpu, rt, 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
+ if ((emulated == EMULATE_DONE) || (emulated == EMULATE_DO_MMIO))
+ goto out;
+ switch (get_op(inst)) {
+ case 31:
+ switch (get_xop(inst)) {
#ifdef CONFIG_PPC_FPU
case OP_31_XOP_LFSX:
if (kvmppc_check_fp_disabled(vcpu))
@@ -502,10 +421,6 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
}
break;
- case OP_LWZ:
- emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
- break;
-
#ifdef CONFIG_PPC_FPU
case OP_STFS:
if (kvmppc_check_fp_disabled(vcpu))
@@ -542,110 +457,7 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
8, 1);
kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
break;
-#endif
-
- case OP_LD:
- rt = get_rt(inst);
- switch (inst & 3) {
- case 0: /* ld */
- emulated = kvmppc_handle_load(run, vcpu, rt, 8, 1);
- break;
- case 1: /* ldu */
- emulated = kvmppc_handle_load(run, vcpu, rt, 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
- case 2: /* lwa */
- emulated = kvmppc_handle_loads(run, vcpu, rt, 4, 1);
- break;
- default:
- emulated = EMULATE_FAIL;
- }
- break;
-
- case OP_LWZU:
- emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_LBZ:
- emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
- break;
- case OP_LBZU:
- emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_STW:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs),
- 4, 1);
- break;
-
- case OP_STD:
- rs = get_rs(inst);
- switch (inst & 3) {
- case 0: /* std */
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 8, 1);
- break;
- case 1: /* stdu */
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
- default:
- emulated = EMULATE_FAIL;
- }
- break;
-
- case OP_STWU:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_STB:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 1, 1);
- break;
-
- case OP_STBU:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 1, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_LHZ:
- emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
- break;
-
- case OP_LHZU:
- emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_LHA:
- emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
- break;
-
- case OP_LHAU:
- emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_STH:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 2, 1);
- break;
-
- case OP_STHU:
- emulated = kvmppc_handle_store(run, vcpu,
- kvmppc_get_gpr(vcpu, rs), 2, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
-#ifdef CONFIG_PPC_FPU
case OP_LFS:
if (kvmppc_check_fp_disabled(vcpu))
return EMULATE_DONE;
@@ -684,6 +496,7 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
break;
}
+out:
if (emulated == EMULATE_FAIL) {
advance = 0;
kvmppc_core_queue_program(vcpu, 0);
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 3/7] KVM: PPC: add giveup_ext() hook for PPC KVM ops
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
In-Reply-To: <1526880266-11291-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
Currently HV will save math regs(FP/VEC/VSX) when trap into host. But
PR KVM will only save math regs when qemu task switch out of CPU, or
when returning from qemu code.
To emulate FP/VEC/VSX mmio load, PR KVM need to make sure that math
regs were flushed firstly and then be able to update saved VCPU
FPR/VEC/VSX area reasonably.
This patch adds giveup_ext() field to KVM ops and PR KVM has non-NULL
giveup_ext() ops. kvmppc_complete_mmio_load() can invoke that hook
(when not NULL) to flush math regs accordingly, before updating saved
register vals.
Math regs flush is also necessary for STORE, which will be covered
in later patch within this patch series.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/include/asm/kvm_ppc.h | 1 +
arch/powerpc/kvm/book3s_pr.c | 1 +
arch/powerpc/kvm/powerpc.c | 9 +++++++++
3 files changed, 11 insertions(+)
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 139cdf0..1f087c4 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -324,6 +324,7 @@ struct kvmppc_ops {
int (*get_rmmu_info)(struct kvm *kvm, struct kvm_ppc_rmmu_info *info);
int (*set_smt_mode)(struct kvm *kvm, unsigned long mode,
unsigned long flags);
+ void (*giveup_ext)(struct kvm_vcpu *vcpu, ulong msr);
};
extern struct kvmppc_ops *kvmppc_hv_ops;
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 67061d3..be26636 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -1782,6 +1782,7 @@ static long kvm_arch_vm_ioctl_pr(struct file *filp,
#ifdef CONFIG_PPC_BOOK3S_64
.hcall_implemented = kvmppc_hcall_impl_pr,
#endif
+ .giveup_ext = kvmppc_giveup_ext,
};
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 45daf3b..8ce9e7b 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1061,6 +1061,9 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr);
break;
case KVM_MMIO_REG_FPR:
+ if (vcpu->kvm->arch.kvm_ops->giveup_ext)
+ vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu, MSR_FP);
+
VCPU_FPR(vcpu, vcpu->arch.io_gpr & KVM_MMIO_REG_MASK) = gpr;
break;
#ifdef CONFIG_PPC_BOOK3S
@@ -1074,6 +1077,9 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
#endif
#ifdef CONFIG_VSX
case KVM_MMIO_REG_VSX:
+ if (vcpu->kvm->arch.kvm_ops->giveup_ext)
+ vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu, MSR_VSX);
+
if (vcpu->arch.mmio_vsx_copy_type == KVMPPC_VSX_COPY_DWORD)
kvmppc_set_vsr_dword(vcpu, gpr);
else if (vcpu->arch.mmio_vsx_copy_type == KVMPPC_VSX_COPY_WORD)
@@ -1088,6 +1094,9 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
#endif
#ifdef CONFIG_ALTIVEC
case KVM_MMIO_REG_VMX:
+ if (vcpu->kvm->arch.kvm_ops->giveup_ext)
+ vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu, MSR_VEC);
+
kvmppc_set_vmx_dword(vcpu, gpr);
break;
#endif
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 4/7] KVM: PPC: reimplement LOAD_FP/STORE_FP instruction mmio emulation with analyse_intr() input
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
In-Reply-To: <1526880266-11291-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
This patch reimplements LOAD_FP/STORE_FP instruction MMIO emulation with
analyse_intr() input. It utilizes the FPCONV/UPDATE properties exported by
analyse_instr() and invokes kvmppc_handle_load(s)/kvmppc_handle_store()
accordingly.
For FP store MMIO emulation, the FP regs need to be flushed firstly so
that the right FP reg vals can be read from vcpu->arch.fpr, which will
be stored into MMIO data.
Suggested-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/emulate_loadstore.c | 201 ++++++++---------------------------
1 file changed, 44 insertions(+), 157 deletions(-)
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c
index af7c71a..5d38f95 100644
--- a/arch/powerpc/kvm/emulate_loadstore.c
+++ b/arch/powerpc/kvm/emulate_loadstore.c
@@ -138,6 +138,26 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
break;
}
+#ifdef CONFIG_PPC_FPU
+ case LOAD_FP:
+ if (kvmppc_check_fp_disabled(vcpu))
+ return EMULATE_DONE;
+
+ if (op.type & FPCONV)
+ vcpu->arch.mmio_sp64_extend = 1;
+
+ if (op.type & SIGNEXT)
+ emulated = kvmppc_handle_loads(run, vcpu,
+ KVM_MMIO_REG_FPR|op.reg, size, 1);
+ else
+ emulated = kvmppc_handle_load(run, vcpu,
+ KVM_MMIO_REG_FPR|op.reg, size, 1);
+
+ if ((op.type & UPDATE) && (emulated != EMULATE_FAIL))
+ kvmppc_set_gpr(vcpu, op.update_reg, op.ea);
+
+ break;
+#endif
case STORE:
/* if need byte reverse, op.val has been reversed by
* analyse_instr().
@@ -149,6 +169,30 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
kvmppc_set_gpr(vcpu, op.update_reg, op.ea);
break;
+#ifdef CONFIG_PPC_FPU
+ case STORE_FP:
+ if (kvmppc_check_fp_disabled(vcpu))
+ return EMULATE_DONE;
+
+ /* The FP registers need to be flushed so that
+ * kvmppc_handle_store() can read actual FP vals
+ * from vcpu->arch.
+ */
+ if (vcpu->kvm->arch.kvm_ops->giveup_ext)
+ vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu,
+ MSR_FP);
+
+ if (op.type & FPCONV)
+ vcpu->arch.mmio_sp64_extend = 1;
+
+ emulated = kvmppc_handle_store(run, vcpu,
+ VCPU_FPR(vcpu, op.reg), size, 1);
+
+ if ((op.type & UPDATE) && (emulated != EMULATE_FAIL))
+ kvmppc_set_gpr(vcpu, op.update_reg, op.ea);
+
+ break;
+#endif
case CACHEOP:
/* Do nothing. The guest is performing dcbi because
* hardware DMA is not snooped by the dcache, but
@@ -170,93 +214,6 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
switch (get_op(inst)) {
case 31:
switch (get_xop(inst)) {
-#ifdef CONFIG_PPC_FPU
- case OP_31_XOP_LFSX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 4, 1);
- break;
-
- case OP_31_XOP_LFSUX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_LFDX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 8, 1);
- break;
-
- case OP_31_XOP_LFDUX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_LFIWAX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_loads(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 4, 1);
- break;
-
- case OP_31_XOP_LFIWZX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 4, 1);
- break;
-
- case OP_31_XOP_STFSX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs), 4, 1);
- break;
-
- case OP_31_XOP_STFSUX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs), 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_STFDX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs), 8, 1);
- break;
-
- case OP_31_XOP_STFDUX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs), 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_31_XOP_STFIWX:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs), 4, 1);
- break;
-#endif
-
#ifdef CONFIG_VSX
case OP_31_XOP_LXSDX:
if (kvmppc_check_vsx_disabled(vcpu))
@@ -421,76 +378,6 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
}
break;
-#ifdef CONFIG_PPC_FPU
- case OP_STFS:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs),
- 4, 1);
- break;
-
- case OP_STFSU:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs),
- 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_STFD:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs),
- 8, 1);
- break;
-
- case OP_STFDU:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_store(run, vcpu,
- VCPU_FPR(vcpu, rs),
- 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_LFS:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 4, 1);
- break;
-
- case OP_LFSU:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 4, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-
- case OP_LFD:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 8, 1);
- break;
-
- case OP_LFDU:
- if (kvmppc_check_fp_disabled(vcpu))
- return EMULATE_DONE;
- emulated = kvmppc_handle_load(run, vcpu,
- KVM_MMIO_REG_FPR|rt, 8, 1);
- kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed);
- break;
-#endif
-
default:
emulated = EMULATE_FAIL;
break;
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 5/7] KVM: PPC: reimplements LOAD_VSX/STORE_VSX instruction mmio emulation with analyse_intr() input
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
In-Reply-To: <1526880266-11291-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
This patch reimplements LOAD_VSX/STORE_VSX instruction MMIO emulation with
analyse_intr() input. It utilizes VSX_FPCONV/VSX_SPLAT/SIGNEXT exported
by analyse_instr() and handle accordingly.
When emulating VSX store, the VSX reg will need to be flushed so that
the right reg val can be retrieved before writing to IO MEM.
Suggested-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/kvm/emulate_loadstore.c | 227 ++++++++++++++---------------------
1 file changed, 91 insertions(+), 136 deletions(-)
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c
index 5d38f95..ed73497 100644
--- a/arch/powerpc/kvm/emulate_loadstore.c
+++ b/arch/powerpc/kvm/emulate_loadstore.c
@@ -158,6 +158,54 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
break;
#endif
+#ifdef CONFIG_VSX
+ case LOAD_VSX: {
+ int io_size_each;
+
+ if (op.vsx_flags & VSX_CHECK_VEC) {
+ if (kvmppc_check_altivec_disabled(vcpu))
+ return EMULATE_DONE;
+ } else {
+ if (kvmppc_check_vsx_disabled(vcpu))
+ return EMULATE_DONE;
+ }
+
+ if (op.vsx_flags & VSX_FPCONV)
+ vcpu->arch.mmio_sp64_extend = 1;
+
+ if (op.element_size == 8) {
+ if (op.vsx_flags & VSX_SPLAT)
+ vcpu->arch.mmio_vsx_copy_type =
+ KVMPPC_VSX_COPY_DWORD_LOAD_DUMP;
+ else
+ vcpu->arch.mmio_vsx_copy_type =
+ KVMPPC_VSX_COPY_DWORD;
+ } else if (op.element_size == 4) {
+ if (op.vsx_flags & VSX_SPLAT)
+ vcpu->arch.mmio_vsx_copy_type =
+ KVMPPC_VSX_COPY_WORD_LOAD_DUMP;
+ else
+ vcpu->arch.mmio_vsx_copy_type =
+ KVMPPC_VSX_COPY_WORD;
+ } else
+ break;
+
+ if (size < op.element_size) {
+ /* precision convert case: lxsspx, etc */
+ vcpu->arch.mmio_vsx_copy_nums = 1;
+ io_size_each = size;
+ } else { /* lxvw4x, lxvd2x, etc */
+ vcpu->arch.mmio_vsx_copy_nums =
+ size/op.element_size;
+ io_size_each = op.element_size;
+ }
+
+ emulated = kvmppc_handle_vsx_load(run, vcpu,
+ KVM_MMIO_REG_VSX|op.reg, io_size_each,
+ 1, op.type & SIGNEXT);
+ break;
+ }
+#endif
case STORE:
/* if need byte reverse, op.val has been reversed by
* analyse_instr().
@@ -193,6 +241,49 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
break;
#endif
+#ifdef CONFIG_VSX
+ case STORE_VSX: {
+ int io_size_each;
+
+ if (op.vsx_flags & VSX_CHECK_VEC) {
+ if (kvmppc_check_altivec_disabled(vcpu))
+ return EMULATE_DONE;
+ } else {
+ if (kvmppc_check_vsx_disabled(vcpu))
+ return EMULATE_DONE;
+ }
+
+ if (vcpu->kvm->arch.kvm_ops->giveup_ext)
+ vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu,
+ MSR_VSX);
+
+ if (op.vsx_flags & VSX_FPCONV)
+ vcpu->arch.mmio_sp64_extend = 1;
+
+ if (op.element_size == 8)
+ vcpu->arch.mmio_vsx_copy_type =
+ KVMPPC_VSX_COPY_DWORD;
+ else if (op.element_size == 4)
+ vcpu->arch.mmio_vsx_copy_type =
+ KVMPPC_VSX_COPY_WORD;
+ else
+ break;
+
+ if (size < op.element_size) {
+ /* precise conversion case, like stxsspx */
+ vcpu->arch.mmio_vsx_copy_nums = 1;
+ io_size_each = size;
+ } else { /* stxvw4x, stxvd2x, etc */
+ vcpu->arch.mmio_vsx_copy_nums =
+ size/op.element_size;
+ io_size_each = op.element_size;
+ }
+
+ emulated = kvmppc_handle_vsx_store(run, vcpu,
+ op.reg, io_size_each, 1);
+ break;
+ }
+#endif
case CACHEOP:
/* Do nothing. The guest is performing dcbi because
* hardware DMA is not snooped by the dcache, but
@@ -214,142 +305,6 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
switch (get_op(inst)) {
case 31:
switch (get_xop(inst)) {
-#ifdef CONFIG_VSX
- case OP_31_XOP_LXSDX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- emulated = kvmppc_handle_vsx_load(run, vcpu,
- KVM_MMIO_REG_VSX|rt, 8, 1, 0);
- break;
-
- case OP_31_XOP_LXSSPX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_vsx_load(run, vcpu,
- KVM_MMIO_REG_VSX|rt, 4, 1, 0);
- break;
-
- case OP_31_XOP_LXSIWAX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- emulated = kvmppc_handle_vsx_load(run, vcpu,
- KVM_MMIO_REG_VSX|rt, 4, 1, 1);
- break;
-
- case OP_31_XOP_LXSIWZX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- emulated = kvmppc_handle_vsx_load(run, vcpu,
- KVM_MMIO_REG_VSX|rt, 4, 1, 0);
- break;
-
- case OP_31_XOP_LXVD2X:
- /*
- * In this case, the official load/store process is like this:
- * Step1, exit from vm by page fault isr, then kvm save vsr.
- * Please see guest_exit_cont->store_fp_state->SAVE_32VSRS
- * as reference.
- *
- * Step2, copy data between memory and VCPU
- * Notice: for LXVD2X/STXVD2X/LXVW4X/STXVW4X, we use
- * 2copies*8bytes or 4copies*4bytes
- * to simulate one copy of 16bytes.
- * Also there is an endian issue here, we should notice the
- * layout of memory.
- * Please see MARCO of LXVD2X_ROT/STXVD2X_ROT as more reference.
- * If host is little-endian, kvm will call XXSWAPD for
- * LXVD2X_ROT/STXVD2X_ROT.
- * So, if host is little-endian,
- * the postion of memeory should be swapped.
- *
- * Step3, return to guest, kvm reset register.
- * Please see kvmppc_hv_entry->load_fp_state->REST_32VSRS
- * as reference.
- */
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 2;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- emulated = kvmppc_handle_vsx_load(run, vcpu,
- KVM_MMIO_REG_VSX|rt, 8, 1, 0);
- break;
-
- case OP_31_XOP_LXVW4X:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 4;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_WORD;
- emulated = kvmppc_handle_vsx_load(run, vcpu,
- KVM_MMIO_REG_VSX|rt, 4, 1, 0);
- break;
-
- case OP_31_XOP_LXVDSX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type =
- KVMPPC_VSX_COPY_DWORD_LOAD_DUMP;
- emulated = kvmppc_handle_vsx_load(run, vcpu,
- KVM_MMIO_REG_VSX|rt, 8, 1, 0);
- break;
-
- case OP_31_XOP_STXSDX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- emulated = kvmppc_handle_vsx_store(run, vcpu,
- rs, 8, 1);
- break;
-
- case OP_31_XOP_STXSSPX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- vcpu->arch.mmio_sp64_extend = 1;
- emulated = kvmppc_handle_vsx_store(run, vcpu,
- rs, 4, 1);
- break;
-
- case OP_31_XOP_STXSIWX:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_offset = 1;
- vcpu->arch.mmio_vsx_copy_nums = 1;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_WORD;
- emulated = kvmppc_handle_vsx_store(run, vcpu,
- rs, 4, 1);
- break;
-
- case OP_31_XOP_STXVD2X:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 2;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_DWORD;
- emulated = kvmppc_handle_vsx_store(run, vcpu,
- rs, 8, 1);
- break;
-
- case OP_31_XOP_STXVW4X:
- if (kvmppc_check_vsx_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.mmio_vsx_copy_nums = 4;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_WORD;
- emulated = kvmppc_handle_vsx_store(run, vcpu,
- rs, 4, 1);
- break;
-#endif /* CONFIG_VSX */
-
#ifdef CONFIG_ALTIVEC
case OP_31_XOP_LVX:
if (kvmppc_check_altivec_disabled(vcpu))
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 6/7] KVM: PPC: expand mmio_vsx_copy_type to mmio_copy_type to cover VMX load/store elem types
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
In-Reply-To: <1526880266-11291-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
VSX MMIO emulation uses mmio_vsx_copy_type to represent VSX emulated
element size/type, such as KVMPPC_VSX_COPY_DWORD_LOAD, etc. This
patch expands mmio_vsx_copy_type to cover VMX copy type, such as
KVMPPC_VMX_COPY_BYTE(stvebx/lvebx), etc. As a result,
mmio_vsx_copy_type is also renamed to mmio_copy_type.
It is a preparation for reimplement VMX MMIO emulation.
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/include/asm/kvm_host.h | 9 +++++++--
arch/powerpc/kvm/emulate_loadstore.c | 14 +++++++-------
arch/powerpc/kvm/powerpc.c | 10 +++++-----
3 files changed, 19 insertions(+), 14 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 4bade29..fe506c8 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -455,6 +455,11 @@ struct mmio_hpte_cache {
#define KVMPPC_VSX_COPY_DWORD_LOAD_DUMP 3
#define KVMPPC_VSX_COPY_WORD_LOAD_DUMP 4
+#define KVMPPC_VMX_COPY_BYTE 8
+#define KVMPPC_VMX_COPY_HWORD 9
+#define KVMPPC_VMX_COPY_WORD 10
+#define KVMPPC_VMX_COPY_DWORD 11
+
struct openpic;
/* W0 and W1 of a XIVE thread management context */
@@ -677,16 +682,16 @@ struct kvm_vcpu_arch {
* Number of simulations for vsx.
* If we use 2*8bytes to simulate 1*16bytes,
* then the number should be 2 and
- * mmio_vsx_copy_type=KVMPPC_VSX_COPY_DWORD.
+ * mmio_copy_type=KVMPPC_VSX_COPY_DWORD.
* If we use 4*4bytes to simulate 1*16bytes,
* the number should be 4 and
* mmio_vsx_copy_type=KVMPPC_VSX_COPY_WORD.
*/
u8 mmio_vsx_copy_nums;
u8 mmio_vsx_offset;
- u8 mmio_vsx_copy_type;
u8 mmio_vsx_tx_sx_enabled;
u8 mmio_vmx_copy_nums;
+ u8 mmio_copy_type;
u8 osi_needed;
u8 osi_enabled;
u8 papr_enabled;
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c
index ed73497..fa4de6b 100644
--- a/arch/powerpc/kvm/emulate_loadstore.c
+++ b/arch/powerpc/kvm/emulate_loadstore.c
@@ -109,7 +109,7 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
vcpu->arch.mmio_vsx_tx_sx_enabled = get_tx_or_sx(inst);
vcpu->arch.mmio_vsx_copy_nums = 0;
vcpu->arch.mmio_vsx_offset = 0;
- vcpu->arch.mmio_vsx_copy_type = KVMPPC_VSX_COPY_NONE;
+ vcpu->arch.mmio_copy_type = KVMPPC_VSX_COPY_NONE;
vcpu->arch.mmio_sp64_extend = 0;
vcpu->arch.mmio_sign_extend = 0;
vcpu->arch.mmio_vmx_copy_nums = 0;
@@ -175,17 +175,17 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
if (op.element_size == 8) {
if (op.vsx_flags & VSX_SPLAT)
- vcpu->arch.mmio_vsx_copy_type =
+ vcpu->arch.mmio_copy_type =
KVMPPC_VSX_COPY_DWORD_LOAD_DUMP;
else
- vcpu->arch.mmio_vsx_copy_type =
+ vcpu->arch.mmio_copy_type =
KVMPPC_VSX_COPY_DWORD;
} else if (op.element_size == 4) {
if (op.vsx_flags & VSX_SPLAT)
- vcpu->arch.mmio_vsx_copy_type =
+ vcpu->arch.mmio_copy_type =
KVMPPC_VSX_COPY_WORD_LOAD_DUMP;
else
- vcpu->arch.mmio_vsx_copy_type =
+ vcpu->arch.mmio_copy_type =
KVMPPC_VSX_COPY_WORD;
} else
break;
@@ -261,10 +261,10 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
vcpu->arch.mmio_sp64_extend = 1;
if (op.element_size == 8)
- vcpu->arch.mmio_vsx_copy_type =
+ vcpu->arch.mmio_copy_type =
KVMPPC_VSX_COPY_DWORD;
else if (op.element_size == 4)
- vcpu->arch.mmio_vsx_copy_type =
+ vcpu->arch.mmio_copy_type =
KVMPPC_VSX_COPY_WORD;
else
break;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 8ce9e7b..1580bd2 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1080,14 +1080,14 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
if (vcpu->kvm->arch.kvm_ops->giveup_ext)
vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu, MSR_VSX);
- if (vcpu->arch.mmio_vsx_copy_type == KVMPPC_VSX_COPY_DWORD)
+ if (vcpu->arch.mmio_copy_type == KVMPPC_VSX_COPY_DWORD)
kvmppc_set_vsr_dword(vcpu, gpr);
- else if (vcpu->arch.mmio_vsx_copy_type == KVMPPC_VSX_COPY_WORD)
+ else if (vcpu->arch.mmio_copy_type == KVMPPC_VSX_COPY_WORD)
kvmppc_set_vsr_word(vcpu, gpr);
- else if (vcpu->arch.mmio_vsx_copy_type ==
+ else if (vcpu->arch.mmio_copy_type ==
KVMPPC_VSX_COPY_DWORD_LOAD_DUMP)
kvmppc_set_vsr_dword_dump(vcpu, gpr);
- else if (vcpu->arch.mmio_vsx_copy_type ==
+ else if (vcpu->arch.mmio_copy_type ==
KVMPPC_VSX_COPY_WORD_LOAD_DUMP)
kvmppc_set_vsr_word_dump(vcpu, gpr);
break;
@@ -1260,7 +1260,7 @@ static inline int kvmppc_get_vsr_data(struct kvm_vcpu *vcpu, int rs, u64 *val)
u32 dword_offset, word_offset;
union kvmppc_one_reg reg;
int vsx_offset = 0;
- int copy_type = vcpu->arch.mmio_vsx_copy_type;
+ int copy_type = vcpu->arch.mmio_copy_type;
int result = 0;
switch (copy_type) {
--
1.8.3.1
^ permalink raw reply related
* [PATCH v3 7/7] KVM: PPC: reimplements LOAD_VMX/STORE_VMX instruction mmio emulation with analyse_intr() input
From: wei.guo.simon @ 2018-05-21 5:24 UTC (permalink / raw)
To: kvm-ppc; +Cc: Paul Mackerras, kvm, linuxppc-dev, Simon Guo
In-Reply-To: <1526880266-11291-1-git-send-email-wei.guo.simon@gmail.com>
From: Simon Guo <wei.guo.simon@gmail.com>
This patch reimplements LOAD_VMX/STORE_VMX MMIO emulation with
analyse_intr() input. When emulating the store, the VMX reg will need to
be flushed so that the right reg val can be retrieved before writing to
IO MEM.
This patch also adds support for lvebx/lvehx/lvewx/stvebx/stvehx/stvewx
MMIO emulation. To meet the requirement of handling different element
sizes, kvmppc_handle_load128_by2x64()/kvmppc_handle_store128_by2x64()
were replaced with kvmppc_handle_vmx_load()/kvmppc_handle_vmx_store().
The framework used is the similar with VSX instruction mmio emulation.
Suggested-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
---
arch/powerpc/include/asm/kvm_host.h | 1 +
arch/powerpc/include/asm/kvm_ppc.h | 10 +-
arch/powerpc/kvm/emulate_loadstore.c | 124 +++++++++++------
arch/powerpc/kvm/powerpc.c | 259 ++++++++++++++++++++++++++++-------
4 files changed, 302 insertions(+), 92 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index fe506c8..8dc5e43 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -691,6 +691,7 @@ struct kvm_vcpu_arch {
u8 mmio_vsx_offset;
u8 mmio_vsx_tx_sx_enabled;
u8 mmio_vmx_copy_nums;
+ u8 mmio_vmx_offset;
u8 mmio_copy_type;
u8 osi_needed;
u8 osi_enabled;
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 1f087c4..e991821 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -81,10 +81,10 @@ extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
extern int kvmppc_handle_vsx_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int rt, unsigned int bytes,
int is_default_endian, int mmio_sign_extend);
-extern int kvmppc_handle_load128_by2x64(struct kvm_run *run,
- struct kvm_vcpu *vcpu, unsigned int rt, int is_default_endian);
-extern int kvmppc_handle_store128_by2x64(struct kvm_run *run,
- struct kvm_vcpu *vcpu, unsigned int rs, int is_default_endian);
+extern int kvmppc_handle_vmx_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ unsigned int rt, unsigned int bytes, int is_default_endian);
+extern int kvmppc_handle_vmx_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ unsigned int rs, unsigned int bytes, int is_default_endian);
extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
u64 val, unsigned int bytes,
int is_default_endian);
@@ -265,6 +265,8 @@ extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server,
vector128 vval;
u64 vsxval[2];
u32 vsx32val[4];
+ u16 vsx16val[8];
+ u8 vsx8val[16];
struct {
u64 addr;
u64 length;
diff --git a/arch/powerpc/kvm/emulate_loadstore.c b/arch/powerpc/kvm/emulate_loadstore.c
index fa4de6b..b6b2d25 100644
--- a/arch/powerpc/kvm/emulate_loadstore.c
+++ b/arch/powerpc/kvm/emulate_loadstore.c
@@ -113,6 +113,7 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
vcpu->arch.mmio_sp64_extend = 0;
vcpu->arch.mmio_sign_extend = 0;
vcpu->arch.mmio_vmx_copy_nums = 0;
+ vcpu->arch.mmio_vmx_offset = 0;
vcpu->arch.mmio_host_swabbed = 0;
emulated = EMULATE_FAIL;
@@ -158,6 +159,46 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
break;
#endif
+#ifdef CONFIG_ALTIVEC
+ case LOAD_VMX:
+ if (kvmppc_check_altivec_disabled(vcpu))
+ return EMULATE_DONE;
+
+ /* Hardware enforces alignment of VMX accesses */
+ vcpu->arch.vaddr_accessed &= ~((unsigned long)size - 1);
+ vcpu->arch.paddr_accessed &= ~((unsigned long)size - 1);
+
+ if (size == 16) { /* lvx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_DWORD;
+ } else if (size == 4) { /* lvewx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_WORD;
+ } else if (size == 2) { /* lvehx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_HWORD;
+ } else if (size == 1) { /* lvebx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_BYTE;
+ } else
+ break;
+
+ vcpu->arch.mmio_vmx_offset =
+ (vcpu->arch.vaddr_accessed & 0xf)/size;
+
+ if (size == 16) {
+ vcpu->arch.mmio_vmx_copy_nums = 2;
+ emulated = kvmppc_handle_vmx_load(run,
+ vcpu, KVM_MMIO_REG_VMX|op.reg,
+ 8, 1);
+ } else {
+ vcpu->arch.mmio_vmx_copy_nums = 1;
+ emulated = kvmppc_handle_vmx_load(run, vcpu,
+ KVM_MMIO_REG_VMX|op.reg,
+ size, 1);
+ }
+ break;
+#endif
#ifdef CONFIG_VSX
case LOAD_VSX: {
int io_size_each;
@@ -241,6 +282,48 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
break;
#endif
+#ifdef CONFIG_ALTIVEC
+ case STORE_VMX:
+ if (kvmppc_check_altivec_disabled(vcpu))
+ return EMULATE_DONE;
+
+ /* Hardware enforces alignment of VMX accesses. */
+ vcpu->arch.vaddr_accessed &= ~((unsigned long)size - 1);
+ vcpu->arch.paddr_accessed &= ~((unsigned long)size - 1);
+
+ if (vcpu->kvm->arch.kvm_ops->giveup_ext)
+ vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu,
+ MSR_VEC);
+ if (size == 16) { /* stvx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_DWORD;
+ } else if (size == 4) { /* stvewx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_WORD;
+ } else if (size == 2) { /* stvehx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_HWORD;
+ } else if (size == 1) { /* stvebx */
+ vcpu->arch.mmio_copy_type =
+ KVMPPC_VMX_COPY_BYTE;
+ } else
+ break;
+
+ vcpu->arch.mmio_vmx_offset =
+ (vcpu->arch.vaddr_accessed & 0xf)/size;
+
+ if (size == 16) {
+ vcpu->arch.mmio_vmx_copy_nums = 2;
+ emulated = kvmppc_handle_vmx_store(run,
+ vcpu, op.reg, 8, 1);
+ } else {
+ vcpu->arch.mmio_vmx_copy_nums = 1;
+ emulated = kvmppc_handle_vmx_store(run,
+ vcpu, op.reg, size, 1);
+ }
+
+ break;
+#endif
#ifdef CONFIG_VSX
case STORE_VSX: {
int io_size_each;
@@ -298,47 +381,6 @@ int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu)
}
}
-
- if ((emulated == EMULATE_DONE) || (emulated == EMULATE_DO_MMIO))
- goto out;
-
- switch (get_op(inst)) {
- case 31:
- switch (get_xop(inst)) {
-#ifdef CONFIG_ALTIVEC
- case OP_31_XOP_LVX:
- if (kvmppc_check_altivec_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.vaddr_accessed &= ~0xFULL;
- vcpu->arch.paddr_accessed &= ~0xFULL;
- vcpu->arch.mmio_vmx_copy_nums = 2;
- emulated = kvmppc_handle_load128_by2x64(run, vcpu,
- KVM_MMIO_REG_VMX|rt, 1);
- break;
-
- case OP_31_XOP_STVX:
- if (kvmppc_check_altivec_disabled(vcpu))
- return EMULATE_DONE;
- vcpu->arch.vaddr_accessed &= ~0xFULL;
- vcpu->arch.paddr_accessed &= ~0xFULL;
- vcpu->arch.mmio_vmx_copy_nums = 2;
- emulated = kvmppc_handle_store128_by2x64(run, vcpu,
- rs, 1);
- break;
-#endif /* CONFIG_ALTIVEC */
-
- default:
- emulated = EMULATE_FAIL;
- break;
- }
- break;
-
- default:
- emulated = EMULATE_FAIL;
- break;
- }
-
-out:
if (emulated == EMULATE_FAIL) {
advance = 0;
kvmppc_core_queue_program(vcpu, 0);
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 1580bd2..05eccdc 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -953,30 +953,110 @@ static inline void kvmppc_set_vsr_word(struct kvm_vcpu *vcpu,
#endif /* CONFIG_VSX */
#ifdef CONFIG_ALTIVEC
+static inline int kvmppc_get_vmx_offset_generic(struct kvm_vcpu *vcpu,
+ int index, int element_size)
+{
+ int offset;
+ int elts = sizeof(vector128)/element_size;
+
+ if ((index < 0) || (index >= elts))
+ return -1;
+
+ if (kvmppc_need_byteswap(vcpu))
+ offset = elts - index - 1;
+ else
+ offset = index;
+
+ return offset;
+}
+
+static inline int kvmppc_get_vmx_dword_offset(struct kvm_vcpu *vcpu,
+ int index)
+{
+ return kvmppc_get_vmx_offset_generic(vcpu, index, 8);
+}
+
+static inline int kvmppc_get_vmx_word_offset(struct kvm_vcpu *vcpu,
+ int index)
+{
+ return kvmppc_get_vmx_offset_generic(vcpu, index, 4);
+}
+
+static inline int kvmppc_get_vmx_hword_offset(struct kvm_vcpu *vcpu,
+ int index)
+{
+ return kvmppc_get_vmx_offset_generic(vcpu, index, 2);
+}
+
+static inline int kvmppc_get_vmx_byte_offset(struct kvm_vcpu *vcpu,
+ int index)
+{
+ return kvmppc_get_vmx_offset_generic(vcpu, index, 1);
+}
+
+
static inline void kvmppc_set_vmx_dword(struct kvm_vcpu *vcpu,
- u64 gpr)
+ u64 gpr)
{
+ union kvmppc_one_reg val;
+ int offset = kvmppc_get_vmx_dword_offset(vcpu,
+ vcpu->arch.mmio_vmx_offset);
int index = vcpu->arch.io_gpr & KVM_MMIO_REG_MASK;
- u32 hi, lo;
- u32 di;
-#ifdef __BIG_ENDIAN
- hi = gpr >> 32;
- lo = gpr & 0xffffffff;
-#else
- lo = gpr >> 32;
- hi = gpr & 0xffffffff;
-#endif
+ if (offset == -1)
+ return;
+
+ val.vval = VCPU_VSX_VR(vcpu, index);
+ val.vsxval[offset] = gpr;
+ VCPU_VSX_VR(vcpu, index) = val.vval;
+}
+
+static inline void kvmppc_set_vmx_word(struct kvm_vcpu *vcpu,
+ u32 gpr32)
+{
+ union kvmppc_one_reg val;
+ int offset = kvmppc_get_vmx_word_offset(vcpu,
+ vcpu->arch.mmio_vmx_offset);
+ int index = vcpu->arch.io_gpr & KVM_MMIO_REG_MASK;
+
+ if (offset == -1)
+ return;
+
+ val.vval = VCPU_VSX_VR(vcpu, index);
+ val.vsx32val[offset] = gpr32;
+ VCPU_VSX_VR(vcpu, index) = val.vval;
+}
- di = 2 - vcpu->arch.mmio_vmx_copy_nums; /* doubleword index */
- if (di > 1)
+static inline void kvmppc_set_vmx_hword(struct kvm_vcpu *vcpu,
+ u16 gpr16)
+{
+ union kvmppc_one_reg val;
+ int offset = kvmppc_get_vmx_hword_offset(vcpu,
+ vcpu->arch.mmio_vmx_offset);
+ int index = vcpu->arch.io_gpr & KVM_MMIO_REG_MASK;
+
+ if (offset == -1)
return;
- if (vcpu->arch.mmio_host_swabbed)
- di = 1 - di;
+ val.vval = VCPU_VSX_VR(vcpu, index);
+ val.vsx16val[offset] = gpr16;
+ VCPU_VSX_VR(vcpu, index) = val.vval;
+}
+
+static inline void kvmppc_set_vmx_byte(struct kvm_vcpu *vcpu,
+ u8 gpr8)
+{
+ union kvmppc_one_reg val;
+ int offset = kvmppc_get_vmx_byte_offset(vcpu,
+ vcpu->arch.mmio_vmx_offset);
+ int index = vcpu->arch.io_gpr & KVM_MMIO_REG_MASK;
- VCPU_VSX_VR(vcpu, index).u[di * 2] = hi;
- VCPU_VSX_VR(vcpu, index).u[di * 2 + 1] = lo;
+ if (offset == -1)
+ return;
+
+ val.vval = VCPU_VSX_VR(vcpu, index);
+ val.vsx8val[offset] = gpr8;
+ VCPU_VSX_VR(vcpu, index) = val.vval;
}
#endif /* CONFIG_ALTIVEC */
@@ -1097,7 +1177,16 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
if (vcpu->kvm->arch.kvm_ops->giveup_ext)
vcpu->kvm->arch.kvm_ops->giveup_ext(vcpu, MSR_VEC);
- kvmppc_set_vmx_dword(vcpu, gpr);
+ if (vcpu->arch.mmio_copy_type == KVMPPC_VMX_COPY_DWORD)
+ kvmppc_set_vmx_dword(vcpu, gpr);
+ else if (vcpu->arch.mmio_copy_type == KVMPPC_VMX_COPY_WORD)
+ kvmppc_set_vmx_word(vcpu, gpr);
+ else if (vcpu->arch.mmio_copy_type ==
+ KVMPPC_VMX_COPY_HWORD)
+ kvmppc_set_vmx_hword(vcpu, gpr);
+ else if (vcpu->arch.mmio_copy_type ==
+ KVMPPC_VMX_COPY_BYTE)
+ kvmppc_set_vmx_byte(vcpu, gpr);
break;
#endif
default:
@@ -1376,14 +1465,16 @@ static int kvmppc_emulate_mmio_vsx_loadstore(struct kvm_vcpu *vcpu,
#endif /* CONFIG_VSX */
#ifdef CONFIG_ALTIVEC
-/* handle quadword load access in two halves */
-int kvmppc_handle_load128_by2x64(struct kvm_run *run, struct kvm_vcpu *vcpu,
- unsigned int rt, int is_default_endian)
+int kvmppc_handle_vmx_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ unsigned int rt, unsigned int bytes, int is_default_endian)
{
enum emulation_result emulated = EMULATE_DONE;
+ if (vcpu->arch.mmio_vsx_copy_nums > 2)
+ return EMULATE_FAIL;
+
while (vcpu->arch.mmio_vmx_copy_nums) {
- emulated = __kvmppc_handle_load(run, vcpu, rt, 8,
+ emulated = __kvmppc_handle_load(run, vcpu, rt, bytes,
is_default_endian, 0);
if (emulated != EMULATE_DONE)
@@ -1391,55 +1482,127 @@ int kvmppc_handle_load128_by2x64(struct kvm_run *run, struct kvm_vcpu *vcpu,
vcpu->arch.paddr_accessed += run->mmio.len;
vcpu->arch.mmio_vmx_copy_nums--;
+ vcpu->arch.mmio_vmx_offset++;
}
return emulated;
}
-static inline int kvmppc_get_vmx_data(struct kvm_vcpu *vcpu, int rs, u64 *val)
+int kvmppc_get_vmx_dword(struct kvm_vcpu *vcpu, int index, u64 *val)
{
- vector128 vrs = VCPU_VSX_VR(vcpu, rs);
- u32 di;
- u64 w0, w1;
+ union kvmppc_one_reg reg;
+ int vmx_offset = 0;
+ int result = 0;
+
+ vmx_offset =
+ kvmppc_get_vmx_dword_offset(vcpu, vcpu->arch.mmio_vmx_offset);
- di = 2 - vcpu->arch.mmio_vmx_copy_nums; /* doubleword index */
- if (di > 1)
+ if (vmx_offset == -1)
return -1;
- if (kvmppc_need_byteswap(vcpu))
- di = 1 - di;
+ reg.vval = VCPU_VSX_VR(vcpu, index);
+ *val = reg.vsxval[vmx_offset];
- w0 = vrs.u[di * 2];
- w1 = vrs.u[di * 2 + 1];
+ return result;
+}
-#ifdef __BIG_ENDIAN
- *val = (w0 << 32) | w1;
-#else
- *val = (w1 << 32) | w0;
-#endif
- return 0;
+int kvmppc_get_vmx_word(struct kvm_vcpu *vcpu, int index, u64 *val)
+{
+ union kvmppc_one_reg reg;
+ int vmx_offset = 0;
+ int result = 0;
+
+ vmx_offset =
+ kvmppc_get_vmx_word_offset(vcpu, vcpu->arch.mmio_vmx_offset);
+
+ if (vmx_offset == -1)
+ return -1;
+
+ reg.vval = VCPU_VSX_VR(vcpu, index);
+ *val = reg.vsx32val[vmx_offset];
+
+ return result;
+}
+
+int kvmppc_get_vmx_hword(struct kvm_vcpu *vcpu, int index, u64 *val)
+{
+ union kvmppc_one_reg reg;
+ int vmx_offset = 0;
+ int result = 0;
+
+ vmx_offset =
+ kvmppc_get_vmx_hword_offset(vcpu, vcpu->arch.mmio_vmx_offset);
+
+ if (vmx_offset == -1)
+ return -1;
+
+ reg.vval = VCPU_VSX_VR(vcpu, index);
+ *val = reg.vsx16val[vmx_offset];
+
+ return result;
+}
+
+int kvmppc_get_vmx_byte(struct kvm_vcpu *vcpu, int index, u64 *val)
+{
+ union kvmppc_one_reg reg;
+ int vmx_offset = 0;
+ int result = 0;
+
+ vmx_offset =
+ kvmppc_get_vmx_byte_offset(vcpu, vcpu->arch.mmio_vmx_offset);
+
+ if (vmx_offset == -1)
+ return -1;
+
+ reg.vval = VCPU_VSX_VR(vcpu, index);
+ *val = reg.vsx8val[vmx_offset];
+
+ return result;
}
-/* handle quadword store in two halves */
-int kvmppc_handle_store128_by2x64(struct kvm_run *run, struct kvm_vcpu *vcpu,
- unsigned int rs, int is_default_endian)
+int kvmppc_handle_vmx_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ unsigned int rs, unsigned int bytes, int is_default_endian)
{
u64 val = 0;
+ unsigned int index = rs & KVM_MMIO_REG_MASK;
enum emulation_result emulated = EMULATE_DONE;
+ if (vcpu->arch.mmio_vsx_copy_nums > 2)
+ return EMULATE_FAIL;
+
vcpu->arch.io_gpr = rs;
while (vcpu->arch.mmio_vmx_copy_nums) {
- if (kvmppc_get_vmx_data(vcpu, rs, &val) == -1)
+ switch (vcpu->arch.mmio_copy_type) {
+ case KVMPPC_VMX_COPY_DWORD:
+ if (kvmppc_get_vmx_dword(vcpu, index, &val) == -1)
+ return EMULATE_FAIL;
+
+ break;
+ case KVMPPC_VMX_COPY_WORD:
+ if (kvmppc_get_vmx_word(vcpu, index, &val) == -1)
+ return EMULATE_FAIL;
+ break;
+ case KVMPPC_VMX_COPY_HWORD:
+ if (kvmppc_get_vmx_hword(vcpu, index, &val) == -1)
+ return EMULATE_FAIL;
+ break;
+ case KVMPPC_VMX_COPY_BYTE:
+ if (kvmppc_get_vmx_byte(vcpu, index, &val) == -1)
+ return EMULATE_FAIL;
+ break;
+ default:
return EMULATE_FAIL;
+ }
- emulated = kvmppc_handle_store(run, vcpu, val, 8,
+ emulated = kvmppc_handle_store(run, vcpu, val, bytes,
is_default_endian);
if (emulated != EMULATE_DONE)
break;
vcpu->arch.paddr_accessed += run->mmio.len;
vcpu->arch.mmio_vmx_copy_nums--;
+ vcpu->arch.mmio_vmx_offset++;
}
return emulated;
@@ -1454,11 +1617,11 @@ static int kvmppc_emulate_mmio_vmx_loadstore(struct kvm_vcpu *vcpu,
vcpu->arch.paddr_accessed += run->mmio.len;
if (!vcpu->mmio_is_write) {
- emulated = kvmppc_handle_load128_by2x64(run, vcpu,
- vcpu->arch.io_gpr, 1);
+ emulated = kvmppc_handle_vmx_load(run, vcpu,
+ vcpu->arch.io_gpr, run->mmio.len, 1);
} else {
- emulated = kvmppc_handle_store128_by2x64(run, vcpu,
- vcpu->arch.io_gpr, 1);
+ emulated = kvmppc_handle_vmx_store(run, vcpu,
+ vcpu->arch.io_gpr, run->mmio.len, 1);
}
switch (emulated) {
@@ -1602,8 +1765,10 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
}
#endif
#ifdef CONFIG_ALTIVEC
- if (vcpu->arch.mmio_vmx_copy_nums > 0)
+ if (vcpu->arch.mmio_vmx_copy_nums > 0) {
vcpu->arch.mmio_vmx_copy_nums--;
+ vcpu->arch.mmio_vmx_offset++;
+ }
if (vcpu->arch.mmio_vmx_copy_nums > 0) {
r = kvmppc_emulate_mmio_vmx_loadstore(vcpu, run);
--
1.8.3.1
^ permalink raw reply related
* Re: [PATCH v2] powerpc/64s/radix: do not flush TLB when relaxing access
From: Aneesh Kumar K.V @ 2018-05-21 6:02 UTC (permalink / raw)
To: Nicholas Piggin, linuxppc-dev; +Cc: Nicholas Piggin
In-Reply-To: <20180520122857.24766-1-npiggin@gmail.com>
Nicholas Piggin <npiggin@gmail.com> writes:
> Radix flushes the TLB when updating ptes to increase permissiveness
> of protection (increase access authority). Book3S does not require
> TLB flushing in this case, and it is not done on hash. This patch
> avoids the flush for radix.
>
> From Power ISA v3.0B, p.1090:
>
> Setting a Reference or Change Bit or Upgrading Access Authority
> (PTE Subject to Atomic Hardware Updates)
>
> If the only change being made to a valid PTE that is subject to
> atomic hardware updates is to set the Reference or Change bit to 1
> or to add access authorities, a simpler sequence suffices because
> the translation hardware will refetch the PTE if an access is
> attempted for which the only problems were reference and/or change
> bits needing to be set or insufficient access authority.
>
> The nest MMU on POWER9 does not re-fetch the PTE after such an access
> attempt before faulting, so address spaces with a coprocessor
> attached will continue to flush in these cases.
>
> This reduces tlbies for a kernel compile workload from 1.28M to 0.95M,
> tlbiels from 20.17M 19.68M.
>
> fork --fork --exec benchmark improved 2.77% (12000->12300).
>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
> Oops I missed this patch, it's supposed to go as the first patch in
> the "Various TLB and PTE improvements" patch.
>
> arch/powerpc/mm/pgtable-book3s64.c | 10 +++++++---
> arch/powerpc/mm/pgtable.c | 29 ++++++++++++++++++++++++++---
> 2 files changed, 33 insertions(+), 6 deletions(-)
>
> diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c
> index 518518fb7c45..994492453f0e 100644
> --- a/arch/powerpc/mm/pgtable-book3s64.c
> +++ b/arch/powerpc/mm/pgtable-book3s64.c
> @@ -31,16 +31,20 @@ int (*register_process_table)(unsigned long base, unsigned long page_size,
> int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address,
> pmd_t *pmdp, pmd_t entry, int dirty)
> {
> + struct mm_struct *mm = vma->vm_mm;
> int changed;
> #ifdef CONFIG_DEBUG_VM
> WARN_ON(!pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp));
> - assert_spin_locked(&vma->vm_mm->page_table_lock);
> + assert_spin_locked(&mm->page_table_lock);
> #endif
> changed = !pmd_same(*(pmdp), entry);
> if (changed) {
> - __ptep_set_access_flags(vma->vm_mm, pmdp_ptep(pmdp),
> + __ptep_set_access_flags(mm, pmdp_ptep(pmdp),
> pmd_pte(entry), address);
> - flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
> + /* See ptep_set_access_flags comments */
> + if (atomic_read(&mm->context.copros) > 0)
> + flush_pmd_tlb_range(vma, address,
> + address + HPAGE_PMD_SIZE);
> }
> return changed;
> }
> diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
> index 9f361ae571e9..525ec4656a55 100644
> --- a/arch/powerpc/mm/pgtable.c
> +++ b/arch/powerpc/mm/pgtable.c
> @@ -217,14 +217,37 @@ void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
> int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
> pte_t *ptep, pte_t entry, int dirty)
> {
> + struct mm_struct *mm = vma->vm_mm;
> int changed;
> +
> entry = set_access_flags_filter(entry, vma, dirty);
> changed = !pte_same(*(ptep), entry);
> if (changed) {
> if (!is_vm_hugetlb_page(vma))
> - assert_pte_locked(vma->vm_mm, address);
> - __ptep_set_access_flags(vma->vm_mm, ptep, entry, address);
> - flush_tlb_page(vma, address);
> + assert_pte_locked(mm, address);
> + __ptep_set_access_flags(mm, ptep, entry, address);
> + if (IS_ENABLED(CONFIG_PPC_BOOK3S_64)) {
> + /*
> + * Book3S does not require a TLB flush when relaxing
> + * access restrictions because the core MMU will reload
> + * the pte after taking an access fault. However the
> + * NMMU on POWER9 does not re-load the pte, so flush
> + * if we have a coprocessor attached to this address
> + * space.
> + *
> + * This could be further refined and pushed out to
> + * NMMU drivers so TLBIEs are only done for NMMU
> + * faults, but this is a more minimal fix. The NMMU
> + * fault handler does a get_user_pages_remote or
> + * similar to bring the page tables in, and this
> + * flush_tlb_page will do a global TLBIE because the
> + * coprocessor is attached to the address space.
> + */
> + if (atomic_read(&mm->context.copros) > 0)
> + flush_tlb_page(vma, address);
> + } else {
> + flush_tlb_page(vma, address);
> + }
> }
> return changed;
> }
> --
> 2.17.0
^ permalink raw reply
* Re: [PATCH v2 1/7] powerpc/64s/radix: do not flush TLB on spurious fault
From: Aneesh Kumar K.V @ 2018-05-21 6:06 UTC (permalink / raw)
To: Nicholas Piggin, linuxppc-dev; +Cc: Nicholas Piggin
In-Reply-To: <20180520004347.19508-2-npiggin@gmail.com>
Nicholas Piggin <npiggin@gmail.com> writes:
> In the case of a spurious fault (which can happen due to a race with
> another thread that changes the page table), the default Linux mm code
> calls flush_tlb_page for that address. This is not required because
> the pte will be re-fetched. Hash does not wire this up to a hardware
> TLB flush for this reason. This patch avoids the flush for radix.
>
> From Power ISA v3.0B, p.1090:
>
> Setting a Reference or Change Bit or Upgrading Access Authority
> (PTE Subject to Atomic Hardware Updates)
>
> If the only change being made to a valid PTE that is subject to
> atomic hardware updates is to set the Refer- ence or Change bit to
> 1 or to add access authorities, a simpler sequence suffices
> because the translation hardware will refetch the PTE if an access
> is attempted for which the only problems were reference and/or
> change bits needing to be set or insufficient access authority.
>
> The nest MMU on POWER9 does not re-fetch the PTE after such an access
> attempt before faulting, so address spaces with a coprocessor
> attached will continue to flush in these cases.
>
> This reduces tlbies for a kernel compile workload from 0.95M to 0.90M.
>
> fork --fork --exec benchmark improved 0.5% (12300->12400).
>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Do you want to use flush_tlb_fix_spurious_fault in
ptep_set_access_flags() also?. That would bring it closer to generic version?
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
> Since v1:
> - Added NMMU handling
>
> arch/powerpc/include/asm/book3s/64/tlbflush.h | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h
> index 0cac17253513..ebf572ea621e 100644
> --- a/arch/powerpc/include/asm/book3s/64/tlbflush.h
> +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h
> @@ -4,7 +4,7 @@
>
> #define MMU_NO_CONTEXT ~0UL
>
> -
> +#include <linux/mm_types.h>
> #include <asm/book3s/64/tlbflush-hash.h>
> #include <asm/book3s/64/tlbflush-radix.h>
>
> @@ -137,6 +137,16 @@ static inline void flush_all_mm(struct mm_struct *mm)
> #define flush_tlb_page(vma, addr) local_flush_tlb_page(vma, addr)
> #define flush_all_mm(mm) local_flush_all_mm(mm)
> #endif /* CONFIG_SMP */
> +
> +#define flush_tlb_fix_spurious_fault flush_tlb_fix_spurious_fault
> +static inline void flush_tlb_fix_spurious_fault(struct vm_area_struct *vma,
> + unsigned long address)
> +{
> + /* See ptep_set_access_flags comment */
> + if (atomic_read(&vma->vm_mm->context.copros) > 0)
> + flush_tlb_page(vma, address);
> +}
> +
> /*
> * flush the page walk cache for the address
> */
> --
> 2.17.0
^ permalink raw reply
* [next-20180517][ppc] watchdog: CPU 88 self-detected hard LOCKUP @ update_cfs_group+0x30/0x150
From: Abdul Haleem @ 2018-05-21 6:15 UTC (permalink / raw)
To: linuxppc-dev
Cc: linux-next, Stephen Rothwell, mpe, sachinp, npiggin, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 9458 bytes --]
Greeting's
Offlate we are seeing hard hard lockup trace messages on our powerpc
bare-metal machine for both linux-next and mainline kernel
Machine Type: Power 8 Bare-metal (minsky)
kernel: 4.17.0-rc5-next-20180517
gcc: 4.8.5
config: attached
test: the exact scenario which is triggering these traces is not known
trace logs:
-----------
Watchdog: CPU 88 TB:20328455213119, last heartbeat TB:20323303945487 (10061ms ago)
Modules linked in: btrfs xor zstd_decompress zstd_compress xxhash
lzo_compress raid6_pq dm_snapshot dm_bufio nvme bnx2x iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
nf_reject_ipv4 xt_tcpudp tun bridge stp llc iptable_filter dm_mirror
dm_region_hash dm_log dm_service_time vmx_crypto powernv_rng rng_core
dm_multipath kvm_hv kvm binfmt_misc nfsd ip_tables x_tables autofs4 xfs
lpfc crc_t10dif crct10dif_generic nvme_fc nvme_fabrics mdio libcrc32c
nvme_core crct10dif_common [last unloaded: nvme]
CPU: 88 PID: 0 Comm: swapper/88 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
NIP: c000000000131a80 LR: c0000000001376b8 CTR: c0000000008284c0
REGS: c000003fff42fd80 TRAP: 0900 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 22042044 XER: 20000000
CFAR: c0000000001376b4 SOFTE: 1
GPR00: c000000000137b64 c000003ca93236a0 c000000001086c00 c000003c907bdc00
GPR04: c000003c907bdc00 c000003ffbf23a68 0000000000000000 c000001f4f540400
GPR08: 0000000000100000 c000003c907bde00 0000000000000400 c000003c907bde30
GPR12: c0000000008284c0 c000003fff74f880 c0000000008284c0 c000003ffbf260b8
GPR16: c000003ffbf27580 0000000000000001 0000000000000000 000000000000ba7e
GPR20: 000000000000ba7e 0000000000000001 c000001f4ac55900 c000003ffbf27580
GPR24: afb504000afb5041 0000000000000001 0000000000000000 0000000000000001
GPR28: 0000000000000001 0000000000000000 c000003ffbf27600 c000003c907bdc00
NIP [c000000000131a80] update_cfs_group+0x30/0x150
LR [c0000000001376b8] enqueue_task_fair+0x3c8/0x1390
Call Trace:
[c000003ca93236a0] [c000000000137b64] enqueue_task_fair+0x874/0x1390 (unreliable)
[c000003ca9323790] [c000000000128870] activate_task+0x80/0x120
[c000003ca9323810] [c000000000128db8] ttwu_do_activate+0x68/0xc0
[c000003ca9323850] [c00000000012a208] try_to_wake_up+0x238/0x5c0
[c000003ca93238d0] [c0000000001853b0] hrtimer_wakeup+0x30/0x60
[c000003ca93238f0] [c000000000185094] __hrtimer_run_queues+0x124/0x350
[c000003ca9323970] [c000000000185e3c] hrtimer_interrupt+0x11c/0x2f0
[c000003ca9323a20] [c000000000023290] __timer_interrupt+0x90/0x270
[c000003ca9323a70] [c000000000023900] timer_interrupt+0xa0/0xe0
[c000003ca9323aa0] [c000000000009348] decrementer_common+0x158/0x160
--- interrupt: 901 at replay_interrupt_return+0x0/0x4
LR = arch_local_irq_restore+0x74/0x90
[c000003ca9323d90] [c00000000019a92c] tick_nohz_idle_stop_tick+0x17c/0x360 (unreliable)
[c000003ca9323db0] [c00000000082b668] cpuidle_enter_state+0x108/0x3c0
[c000003ca9323e10] [c000000000130104] call_cpuidle+0x44/0x80
[c000003ca9323e30] [c000000000130698] do_idle+0x2f8/0x3a0
[c000003ca9323ec0] [c000000000130914] cpu_startup_entry+0x34/0x40
[c000003ca9323ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
[c000003ca9323f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
Instruction dump:
3c4c00f5 384251b0 e9230160 7c641b78 2fa90000 4d9e0020 e9490000 e8c900a0
e8e901d0 794ab282 e9070100 7faa3040 <419c0100> e8c70180 e8e90180 7ca851d2
kernel:watchdog: CPU 88 self-detected hard LOCKUP @ update_cfs_group+0x30/0x150
kernel:watchdog: CPU 88 TB:20328455213119, last heartbeat TB:20323303945487 (10061ms ago)
watchdog: CPU 88 became unstuck TB:20328505869807
CPU: 88 PID: 0 Comm: swapper/88 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
NIP: c00000000000aeec LR: c000000000016644 CTR: c000000000022be0
REGS: c000003ca9323b10 TRAP: 0901 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 42004084 XER: 00000000
CFAR: c000000000185fe4 SOFTE: 0
GPR00: c00000000082b668 c000003ca9323d90 c000000001086c00 0000000000000900
GPR04: b000000000001033 c000000000093f80 0000000000000001 0000000000000008
GPR08: 0000000000000000 c000000000d86c84 0000000000000000 c000003ffbf27630
GPR12: c000000000022be0 c000003fff74f880
NIP [c00000000000aeec] replay_interrupt_return+0x0/0x4
LR [c000000000016644] arch_local_irq_restore+0x74/0x90
Call Trace:
[c000003ca9323d90] [c00000000019a92c] tick_nohz_idle_stop_tick+0x17c/0x360 (unreliable)
[c000003ca9323db0] [c00000000082b668] cpuidle_enter_state+0x108/0x3c0
[c000003ca9323e10] [c000000000130104] call_cpuidle+0x44/0x80
[c000003ca9323e30] [c000000000130698] do_idle+0x2f8/0x3a0
[c000003ca9323ec0] [c000000000130910] cpu_startup_entry+0x30/0x40
[c000003ca9323ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
[c000003ca9323f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
Instruction dump:
7d200026 618c8000 2c030900 4182e328 2c030500 4182dd40 2c030f00 4182f1e8
2c030a00 4182ff9c 2c030e60 4182edb8 <4e800020> 7c781b78 48000395 480003ad
kernel:watchdog: CPU 88 became unstuck TB:20328505869807
watchdog: CPU 96 self-detected hard LOCKUP @ tick_nohz_next_event+0x38/0x200
watchdog: CPU 96 TB:23470018682939, last heartbeat TB:23464816758804 (10160ms ago)
Modules linked in: btrfs xor zstd_decompress zstd_compress xxhash
lzo_compress raid6_pq dm_snapshot dm_bufio nvme bnx2x iptable_mangle
ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
nf_reject_ipv4 xt_tcpudp tun bridge stp llc iptable_filter dm_mirror
dm_region_hash dm_log dm_service_time vmx_crypto powernv_rng rng_core
dm_multipath kvm_hv kvm binfmt_misc nfsd ip_tables x_tables autofs4 xfs
lpfc crc_t10dif crct10dif_generic nvme_fc nvme_fabrics mdio libcrc32c
nvme_core crct10dif_common [last unloaded: nvme]
CPU: 96 PID: 0 Comm: swapper/96 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
NIP: c000000000199df8 LR: c00000000019ad3c CTR: c00000000082d5a0
REGS: c000003fff3cfd80 TRAP: 0900 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 22004084 XER: 00000000
CFAR: c00000000019ad38 SOFTE: 1
GPR00: c00000000019ad3c c000003ca9343d50 c000000001086c00 c000003ffc113880
GPR04: 0000000000000060 0000000000000000 0000003ffb3a0000 c000000001196c00
GPR08: c0000000010b3b00 c000000000d86c80 c0000000010b3b80 c000003ffc127630
GPR12: c00000000082d5a0 c000003fff748f80 c000003ca9343f90 c0000000012f6020
GPR16: c000003ffcc08cb0 c0000000000410b0 c0000000000410b0 c000000000d65260
GPR20: 0000000000000001 c000000000fcf820 c000003ca9340000 c000003ca9340080
GPR24: c000000000d862e8 0000000077359400 c000003ffc1260d8 c000000000fcf820
GPR28: 0000000000000060 0000000000000060 c000003ffc113880 c000003ffc113880
NIP [c000000000199df8] tick_nohz_next_event+0x38/0x200
LR [c00000000019ad3c] tick_nohz_get_sleep_length+0xac/0x100
Call Trace:
[c000003ca9343d50] [c00000000019ad04] tick_nohz_get_sleep_length+0x74/0x100 (unreliable)
[c000003ca9343d90] [c00000000082d668] menu_select+0xc8/0x7f0
[c000003ca9343e10] [c00000000082b950] cpuidle_select+0x30/0x50
[c000003ca9343e30] [c000000000130664] do_idle+0x2c4/0x3a0
[c000003ca9343ec0] [c000000000130914] cpu_startup_entry+0x34/0x40
[c000003ca9343ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
[c000003ca9343f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
Instruction dump:
7c0802a6 fb81ffe0 fbc1fff0 3ce20011 fba1ffe8 fbe1fff8 7c7e1b78 7c9c2378
3d420003 394acf80 3d020003 3908cf00 <38e7ff08> f8010010 f821ffb1 812a0000
watchdog: CPU 96 became unstuck TB:23470021067039
CPU: 96 PID: 0 Comm: swapper/96 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
NIP: c00000000000aeec LR: c000000000016644 CTR: c00000000082d5a0
REGS: c000003ca9343ad0 TRAP: 0901 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 42004024 XER: 20000000
CFAR: c00000000000c1bc SOFTE: 0
GPR00: c00000000082e4e8 c000003ca9343d50 c000000001086c00 0000000000000900
GPR04: c000000000fcf820 0000000000000000 0000000000000001 0000000000000808
GPR08: 0000000000000000 c000000000d86c80 c0000000010b3b80 c000003ffc127630
GPR12: c00000000082d5a0 c000003fff748f80
NIP [c00000000000aeec] replay_interrupt_return+0x0/0x4
LR [c000000000016644] arch_local_irq_restore+0x74/0x90
Call Trace:
[c000003ca9343d50] [c00000000019ad4c] tick_nohz_get_sleep_length+0xbc/0x100 (unreliable)
[c000003ca9343d70] [c00000000082e4e8] snooze_loop+0x48/0x190
[c000003ca9343db0] [c00000000082b618] cpuidle_enter_state+0xb8/0x3c0
[c000003ca9343e10] [c000000000130104] call_cpuidle+0x44/0x80
[c000003ca9343e30] [c000000000130698] do_idle+0x2f8/0x3a0
...
[c000003ca9343ec0] [c000000000130914] cpu_startup_entry+0x34/0x40
[c000003ca9343ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
kernel:watchdog[44665.478148] [c000003ca9343f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
Instruction dump: CPU 96 self-det
7d200026 618c8000 2c030900 4182e328 2c030500 4182dd40 2c030f00 4182f1e8
ted hard LOCKUP[44665.478356] 2c030a00 4182ff9c 2c030e60 4182edb8 <4e800020> 7c781b78 48000395 480003ad
@ tick_nohz_next_event+0x38/0x200
kernel:watchdog: CPU 96 TB:23470018682939, last heartbeat TB:23464816758804 (10160ms ago
--
Regard's
Abdul Haleem
IBM Linux Technology Centre
[-- Attachment #2: Hab-NV-config_with_NVMe --]
[-- Type: text/plain, Size: 88350 bytes --]
#
# Automatically generated file; DO NOT EDIT.
# Linux/powerpc 4.11.0-rc4 Kernel Configuration
#
CONFIG_PPC64=y
#
# Processor support
#
CONFIG_PPC_BOOK3S_64=y
# CONFIG_PPC_BOOK3E_64 is not set
# CONFIG_POWER7_CPU is not set
CONFIG_POWER8_CPU=y
CONFIG_PPC_BOOK3S=y
CONFIG_PPC_FPU=y
CONFIG_ALTIVEC=y
CONFIG_VSX=y
# CONFIG_PPC_ICSWX is not set
CONFIG_PPC_STD_MMU=y
CONFIG_PPC_STD_MMU_64=y
CONFIG_PPC_RADIX_MMU=y
CONFIG_PPC_MM_SLICES=y
CONFIG_PPC_HAVE_PMU_SUPPORT=y
CONFIG_PPC_PERF_CTRS=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2048
CONFIG_PPC_DOORBELL=y
# CONFIG_CPU_BIG_ENDIAN is not set
CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_PPC64_BOOT_WRAPPER=y
CONFIG_64BIT=y
CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_MMU=y
CONFIG_HAVE_SETUP_PER_CPU_AREA=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_NR_IRQS=512
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_ARCH_HAS_ILOG2_U32=y
CONFIG_ARCH_HAS_ILOG2_U64=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_ARCH_HAS_DMA_SET_COHERENT_MASK=y
CONFIG_PPC=y
# CONFIG_GENERIC_CSUM is not set
CONFIG_EARLY_PRINTK=y
CONFIG_PANIC_TIMEOUT=180
CONFIG_COMPAT=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_PPC_UDBG_16550=y
# CONFIG_GENERIC_TBSYNC is not set
CONFIG_AUDIT_ARCH=y
CONFIG_GENERIC_BUG=y
CONFIG_EPAPR_BOOT=y
# CONFIG_DEFAULT_UIMAGE is not set
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
# CONFIG_PPC_DCR_NATIVE is not set
# CONFIG_PPC_DCR_MMIO is not set
# CONFIG_PPC_OF_PLATFORM_PCI is not set
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_PPC_EMULATE_SSTEP=y
CONFIG_ZONE_DMA32=y
CONFIG_PGTABLE_LEVELS=4
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_IRQ_WORK=y
CONFIG_BUILDTIME_EXTABLE_SORT=y
#
# General setup
#
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
# CONFIG_COMPILE_TEST is not set
CONFIG_LOCALVERSION="-autotest"
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_XZ is not set
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_FHANDLE=y
# CONFIG_USELIB is not set
CONFIG_AUDIT=y
CONFIG_HAVE_ARCH_AUDITSYSCALL=y
CONFIG_AUDITSYSCALL=y
CONFIG_AUDIT_WATCH=y
CONFIG_AUDIT_TREE=y
#
# IRQ subsystem
#
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_IRQ_DOMAIN=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_IRQ_DOMAIN_DEBUG=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
CONFIG_GENERIC_TIME_VSYSCALL_OLD=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_ARCH_HAS_TICK_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CMOS_UPDATE=y
#
# Timers subsystem
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ_COMMON=y
# CONFIG_HZ_PERIODIC is not set
CONFIG_NO_HZ_IDLE=y
# CONFIG_NO_HZ_FULL is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
#
# CPU/Task time and stats accounting
#
CONFIG_VIRT_CPU_ACCOUNTING=y
# CONFIG_TICK_CPU_ACCOUNTING is not set
CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y
# CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_TASKSTATS=y
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_XACCT=y
CONFIG_TASK_IO_ACCOUNTING=y
#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
# CONFIG_RCU_EXPERT is not set
CONFIG_SRCU=y
CONFIG_TREE_SRCU=y
CONFIG_TASKS_RCU=y
CONFIG_RCU_STALL_COMMON=y
# CONFIG_TREE_RCU_TRACE is not set
CONFIG_BUILD_BIN2C=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=13
CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_NUMA_BALANCING=y
CONFIG_NUMA_BALANCING_DEFAULT_ENABLED=y
CONFIG_CGROUPS=y
CONFIG_PAGE_COUNTER=y
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
CONFIG_MEMCG_SWAP_ENABLED=y
# CONFIG_BLK_CGROUP is not set
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
# CONFIG_CFS_BANDWIDTH is not set
# CONFIG_RT_GROUP_SCHED is not set
# CONFIG_CGROUP_PIDS is not set
# CONFIG_CGROUP_RDMA is not set
CONFIG_CGROUP_FREEZER=y
# CONFIG_CGROUP_HUGETLB is not set
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
# CONFIG_CGROUP_DEBUG is not set
# CONFIG_SOCK_CGROUP_DATA is not set
# CONFIG_CHECKPOINT_RESTORE is not set
CONFIG_NAMESPACES=y
CONFIG_UTS_NS=y
CONFIG_IPC_NS=y
CONFIG_USER_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
# CONFIG_SCHED_AUTOGROUP is not set
# CONFIG_SYSFS_DEPRECATED is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_BZIP2=y
CONFIG_RD_LZMA=y
CONFIG_RD_XZ=y
CONFIG_RD_LZO=y
CONFIG_RD_LZ4=y
CONFIG_INITRAMFS_COMPRESSION=".gz"
CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_HAVE_PCSPKR_PLATFORM=y
CONFIG_BPF=y
# CONFIG_EXPERT is not set
CONFIG_MULTIUSER=y
CONFIG_SGETMASK_SYSCALL=y
CONFIG_SYSFS_SYSCALL=y
# CONFIG_SYSCTL_SYSCALL is not set
CONFIG_POSIX_TIMERS=y
CONFIG_KALLSYMS=y
CONFIG_KALLSYMS_ALL=y
# CONFIG_KALLSYMS_ABSOLUTE_PERCPU is not set
CONFIG_KALLSYMS_BASE_RELATIVE=y
CONFIG_PRINTK=y
CONFIG_PRINTK_NMI=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_PCSPKR_PLATFORM=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
# CONFIG_BPF_SYSCALL is not set
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_ADVISE_SYSCALLS=y
# CONFIG_USERFAULTFD is not set
CONFIG_PCI_QUIRKS=y
CONFIG_MEMBARRIER=y
# CONFIG_EMBEDDED is not set
CONFIG_HAVE_PERF_EVENTS=y
# CONFIG_PC104 is not set
#
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
# CONFIG_SLUB_MEMCG_SYSFS_ON is not set
# CONFIG_COMPAT_BRK is not set
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLAB_FREELIST_RANDOM is not set
CONFIG_SLUB_CPU_PARTIAL=y
# CONFIG_SYSTEM_DATA_VERIFICATION is not set
CONFIG_PROFILING=y
CONFIG_TRACEPOINTS=y
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_OPROFILE=y
CONFIG_HAVE_OPROFILE=y
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
# CONFIG_STATIC_KEYS_SELFTEST is not set
CONFIG_OPTPROBES=y
CONFIG_UPROBES=y
# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_ARCH_USE_BUILTIN_BSWAP=y
CONFIG_KRETPROBES=y
CONFIG_HAVE_IOREMAP_PROT=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_NMI=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_HW_BREAKPOINT=y
CONFIG_HAVE_PERF_EVENTS_NMI=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_RCU_TABLE_FREE=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_ARCH_WEAK_RELEASE_ACQUIRE=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_SECCOMP_FILTER=y
CONFIG_HAVE_GCC_PLUGINS=y
# CONFIG_GCC_PLUGINS is not set
# CONFIG_CC_STACKPROTECTOR is not set
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING=y
CONFIG_ARCH_HAS_SCALED_CPUTIME=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
CONFIG_HAVE_ARCH_SOFT_DIRTY=y
CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
# CONFIG_HAVE_ARCH_HASH is not set
# CONFIG_ISA_BUS_API is not set
CONFIG_CLONE_BACKWARDS=y
CONFIG_OLD_SIGSUSPEND=y
CONFIG_COMPAT_OLD_SIGACTION=y
# CONFIG_CPU_NO_EFFICIENT_FFS is not set
# CONFIG_HAVE_ARCH_VMAP_STACK is not set
# CONFIG_ARCH_OPTIONAL_KERNEL_RWX is not set
# CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set
# CONFIG_ARCH_HAS_STRICT_KERNEL_RWX is not set
# CONFIG_ARCH_HAS_STRICT_MODULE_RWX is not set
#
# GCOV-based kernel profiling
#
# CONFIG_GCOV_KERNEL is not set
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
# CONFIG_MODULE_FORCE_LOAD is not set
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_MODVERSIONS=y
CONFIG_MODULE_REL_CRCS=y
CONFIG_MODULE_SRCVERSION_ALL=y
# CONFIG_MODULE_SIG is not set
# CONFIG_MODULE_COMPRESS is not set
# CONFIG_TRIM_UNUSED_KSYMS is not set
CONFIG_MODULES_TREE_LOOKUP=y
CONFIG_BLOCK=y
CONFIG_BLK_SCSI_REQUEST=y
CONFIG_BLK_DEV_BSG=y
CONFIG_BLK_DEV_BSGLIB=y
# CONFIG_BLK_DEV_INTEGRITY is not set
# CONFIG_BLK_DEV_ZONED is not set
# CONFIG_BLK_CMDLINE_PARSER is not set
# CONFIG_BLK_WBT is not set
CONFIG_BLK_DEBUG_FS=y
# CONFIG_BLK_SED_OPAL is not set
#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
# CONFIG_AIX_PARTITION is not set
# CONFIG_OSF_PARTITION is not set
# CONFIG_AMIGA_PARTITION is not set
# CONFIG_ATARI_PARTITION is not set
# CONFIG_MAC_PARTITION is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_BSD_DISKLABEL is not set
# CONFIG_MINIX_SUBPARTITION is not set
# CONFIG_SOLARIS_X86_PARTITION is not set
# CONFIG_UNIXWARE_DISKLABEL is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
CONFIG_EFI_PARTITION=y
# CONFIG_SYSV68_PARTITION is not set
# CONFIG_CMDLINE_PARTITION is not set
CONFIG_BLOCK_COMPAT=y
CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_MQ_VIRTIO=y
#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
CONFIG_MQ_IOSCHED_DEADLINE=y
CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
CONFIG_INLINE_READ_UNLOCK=y
CONFIG_INLINE_READ_UNLOCK_IRQ=y
CONFIG_INLINE_WRITE_UNLOCK=y
CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_FREEZER=y
CONFIG_PPC_MSI_BITMAP=y
CONFIG_PPC_XICS=y
CONFIG_PPC_ICP_NATIVE=y
CONFIG_PPC_ICP_HV=y
CONFIG_PPC_ICS_RTAS=y
CONFIG_PPC_SCOM=y
# CONFIG_SCOM_DEBUGFS is not set
# CONFIG_GE_FPGA is not set
#
# Platform support
#
CONFIG_PPC_POWERNV=y
# CONFIG_OPAL_PRD is not set
CONFIG_PPC_PSERIES=y
CONFIG_PPC_SPLPAR=y
CONFIG_DTL=y
CONFIG_PSERIES_ENERGY=y
CONFIG_SCANLOG=m
CONFIG_IO_EVENT_IRQ=y
CONFIG_LPARCFG=y
CONFIG_PPC_SMLPAR=y
CONFIG_CMM=y
CONFIG_HV_PERF_CTRS=y
CONFIG_IBMVIO=y
# CONFIG_PPC_CELL is not set
# CONFIG_PPC_CELL_NATIVE is not set
# CONFIG_PQ2ADS is not set
# CONFIG_KVM_GUEST is not set
# CONFIG_EPAPR_PARAVIRT is not set
CONFIG_PPC_NATIVE=y
CONFIG_PPC_OF_BOOT_TRAMPOLINE=y
# CONFIG_UDBG_RTAS_CONSOLE is not set
CONFIG_PPC_SMP_MUXED_IPI=y
# CONFIG_IPIC is not set
CONFIG_MPIC=y
# CONFIG_PPC_EPAPR_HV_PIC is not set
# CONFIG_MPIC_WEIRD is not set
# CONFIG_MPIC_MSGR is not set
CONFIG_PPC_I8259=y
# CONFIG_U3_DART is not set
CONFIG_PPC_RTAS=y
CONFIG_RTAS_ERROR_LOGGING=y
CONFIG_PPC_RTAS_DAEMON=y
CONFIG_RTAS_PROC=y
CONFIG_RTAS_FLASH=m
# CONFIG_MMIO_NVRAM is not set
# CONFIG_MPIC_U3_HT_IRQS is not set
CONFIG_EEH=y
# CONFIG_PPC_MPC106 is not set
# CONFIG_PPC_970_NAP is not set
CONFIG_PPC_P7_NAP=y
CONFIG_PPC_INDIRECT_PIO=y
#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_GOV_ATTR_SET=y
CONFIG_CPU_FREQ_GOV_COMMON=y
# CONFIG_CPU_FREQ_STAT is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
# CONFIG_CPU_FREQ_GOV_SCHEDUTIL is not set
#
# CPU frequency scaling drivers
#
CONFIG_POWERNV_CPUFREQ=y
#
# CPUIdle driver
#
#
# CPU Idle
#
CONFIG_CPU_IDLE=y
# CONFIG_CPU_IDLE_GOV_LADDER is not set
CONFIG_CPU_IDLE_GOV_MENU=y
#
# POWERPC CPU Idle Drivers
#
CONFIG_PSERIES_CPUIDLE=y
CONFIG_POWERNV_CPUIDLE=y
# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
# CONFIG_FSL_ULI1575 is not set
# CONFIG_GEN_RTC is not set
# CONFIG_SIMPLE_GPIO is not set
#
# Kernel options
#
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
CONFIG_SCHED_HRTICK=y
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_BINFMT_ELF=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_ELFCORE=y
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
CONFIG_BINFMT_SCRIPT=y
# CONFIG_HAVE_AOUT is not set
CONFIG_BINFMT_MISC=m
CONFIG_COREDUMP=y
CONFIG_HUGETLB_PAGE_SIZE_VARIABLE=y
CONFIG_PPC_TRANSACTIONAL_MEM=y
CONFIG_DISABLE_MPROFILE_KERNEL=y
# CONFIG_MPROFILE_KERNEL is not set
# CONFIG_USE_THIN_ARCHIVES is not set
CONFIG_IOMMU_HELPER=y
# CONFIG_SWIOTLB is not set
CONFIG_HOTPLUG_CPU=y
CONFIG_ARCH_CPU_PROBE_RELEASE=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_HAS_WALK_MEMORY=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
CONFIG_PPC64_SUPPORTS_MEMORY_FAILURE=y
CONFIG_KEXEC=y
CONFIG_RELOCATABLE=y
# CONFIG_RELOCATABLE_TEST is not set
CONFIG_CRASH_DUMP=y
# CONFIG_FA_DUMP is not set
CONFIG_IRQ_ALL_CPUS=y
CONFIG_NUMA=y
CONFIG_NODES_SHIFT=8
CONFIG_USE_PERCPU_NUMA_NODE_ID=y
CONFIG_HAVE_MEMORYLESS_NODES=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_DEFAULT=y
CONFIG_SYS_SUPPORTS_HUGETLBFS=y
CONFIG_ILLEGAL_POINTER_VALUE=0x5deadbeef0000000
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_NEED_MULTIPLE_NODES=y
CONFIG_HAVE_MEMORY_PRESENT=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
CONFIG_HAVE_GENERIC_GUP=y
CONFIG_NO_BOOTMEM=y
CONFIG_MEMORY_ISOLATION=y
# CONFIG_MOVABLE_NODE is not set
CONFIG_HAVE_BOOTMEM_INFO_NODE=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTPLUG_SPARSE=y
CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MEMORY_BALLOON=y
CONFIG_BALLOON_COMPACTION=y
CONFIG_COMPACTION=y
CONFIG_MIGRATION=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_BOUNCE=y
CONFIG_MMU_NOTIFIER=y
CONFIG_KSM=y
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
# CONFIG_MEMORY_FAILURE is not set
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
CONFIG_TRANSPARENT_HUGE_PAGECACHE=y
# CONFIG_CLEANCACHE is not set
# CONFIG_FRONTSWAP is not set
CONFIG_CMA=y
# CONFIG_CMA_DEBUG is not set
# CONFIG_CMA_DEBUGFS is not set
CONFIG_CMA_AREAS=7
# CONFIG_ZPOOL is not set
# CONFIG_ZBUD is not set
# CONFIG_ZSMALLOC is not set
CONFIG_ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT=y
# CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set
# CONFIG_IDLE_PAGE_TRACKING is not set
CONFIG_ARCH_MEMORY_PROBE=y
CONFIG_NODES_SPAN_OTHER_NODES=y
# CONFIG_PPC_4K_PAGES is not set
CONFIG_PPC_64K_PAGES=y
CONFIG_THREAD_SHIFT=14
CONFIG_FORCE_MAX_ZONEORDER=9
CONFIG_PPC_SUBPAGE_PROT=y
CONFIG_PPC_COPRO_BASE=y
CONFIG_SCHED_SMT=y
CONFIG_PPC_DENORMALISATION=y
# CONFIG_CMDLINE_BOOL is not set
CONFIG_EXTRA_TARGETS=""
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
# CONFIG_HIBERNATION is not set
CONFIG_PM_SLEEP=y
CONFIG_PM_SLEEP_SMP=y
# CONFIG_PM_AUTOSLEEP is not set
# CONFIG_PM_WAKELOCKS is not set
CONFIG_PM=y
# CONFIG_PM_DEBUG is not set
# CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set
CONFIG_SECCOMP=y
CONFIG_ISA_DMA_API=y
#
# Bus options
#
CONFIG_ZONE_DMA=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_GENERIC_ISA_DMA=y
# CONFIG_PPC_INDIRECT_PCI is not set
# CONFIG_FSL_LBC is not set
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_SYSCALL=y
# CONFIG_PCIEPORTBUS is not set
CONFIG_PCI_BUS_ADDR_T_64BIT=y
CONFIG_PCI_MSI=y
# CONFIG_PCI_MSI_IRQ_DOMAIN is not set
# CONFIG_PCI_DEBUG is not set
# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
# CONFIG_PCI_STUB is not set
# CONFIG_PCI_IOV is not set
# CONFIG_PCI_PRI is not set
# CONFIG_PCI_PASID is not set
CONFIG_HOTPLUG_PCI=y
# CONFIG_HOTPLUG_PCI_CPCI is not set
# CONFIG_HOTPLUG_PCI_SHPC is not set
# CONFIG_HOTPLUG_PCI_POWERNV is not set
CONFIG_HOTPLUG_PCI_RPA=m
CONFIG_HOTPLUG_PCI_RPA_DLPAR=m
#
# DesignWare PCI Core Support
#
#
# PCI host controller drivers
#
#
# PCI switch controller drivers
#
# CONFIG_PCI_SW_SWITCHTEC is not set
# CONFIG_PCCARD is not set
# CONFIG_HAS_RAPIDIO is not set
# CONFIG_RAPIDIO is not set
CONFIG_NONSTATIC_KERNEL=y
CONFIG_PAGE_OFFSET=0xc000000000000000
CONFIG_KERNEL_START=0xc000000000000000
CONFIG_PHYSICAL_START=0x00000000
CONFIG_ARCH_RANDOM=y
CONFIG_NET=y
CONFIG_NET_INGRESS=y
#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_DIAG is not set
CONFIG_UNIX=y
# CONFIG_UNIX_DIAG is not set
CONFIG_XFRM=y
CONFIG_XFRM_ALGO=m
CONFIG_XFRM_USER=m
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
# CONFIG_XFRM_STATISTICS is not set
CONFIG_XFRM_IPCOMP=m
CONFIG_NET_KEY=m
# CONFIG_NET_KEY_MIGRATE is not set
# CONFIG_SMC is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_IP_PNP is not set
CONFIG_NET_IPIP=y
# CONFIG_NET_IPGRE_DEMUX is not set
CONFIG_NET_IP_TUNNEL=y
# CONFIG_IP_MROUTE is not set
CONFIG_SYN_COOKIES=y
# CONFIG_NET_IPVTI is not set
CONFIG_NET_UDP_TUNNEL=m
# CONFIG_NET_FOU is not set
# CONFIG_NET_FOU_IP_TUNNELS is not set
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
# CONFIG_INET_ESP_OFFLOAD is not set
CONFIG_INET_IPCOMP=m
CONFIG_INET_XFRM_TUNNEL=m
CONFIG_INET_TUNNEL=y
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
CONFIG_INET_XFRM_MODE_BEET=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_INET_UDP_DIAG is not set
# CONFIG_INET_RAW_DIAG is not set
# CONFIG_INET_DIAG_DESTROY is not set
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
# CONFIG_NETWORK_SECMARK is not set
CONFIG_NET_PTP_CLASSIFY=y
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
# CONFIG_NETFILTER_ADVANCED is not set
#
# Core Netfilter Configuration
#
CONFIG_NETFILTER_INGRESS=y
CONFIG_NETFILTER_NETLINK=m
CONFIG_NETFILTER_NETLINK_LOG=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_LOG_COMMON=m
# CONFIG_NF_LOG_NETDEV is not set
CONFIG_NF_CONNTRACK_PROCFS=y
CONFIG_NF_CONNTRACK_FTP=m
CONFIG_NF_CONNTRACK_IRC=m
# CONFIG_NF_CONNTRACK_NETBIOS_NS is not set
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CT_NETLINK=m
# CONFIG_NETFILTER_NETLINK_GLUE_CT is not set
CONFIG_NF_NAT=m
CONFIG_NF_NAT_NEEDED=y
# CONFIG_NF_NAT_AMANDA is not set
CONFIG_NF_NAT_FTP=m
CONFIG_NF_NAT_IRC=m
CONFIG_NF_NAT_SIP=m
# CONFIG_NF_NAT_TFTP is not set
# CONFIG_NF_NAT_REDIRECT is not set
# CONFIG_NF_TABLES is not set
CONFIG_NETFILTER_XTABLES=m
#
# Xtables combined modules
#
CONFIG_NETFILTER_XT_MARK=m
#
# Xtables targets
#
CONFIG_NETFILTER_XT_TARGET_LOG=m
CONFIG_NETFILTER_XT_NAT=m
# CONFIG_NETFILTER_XT_TARGET_NETMAP is not set
CONFIG_NETFILTER_XT_TARGET_NFLOG=m
# CONFIG_NETFILTER_XT_TARGET_REDIRECT is not set
CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
#
# Xtables matches
#
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m
CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
CONFIG_NETFILTER_XT_MATCH_POLICY=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
# CONFIG_IP_SET is not set
# CONFIG_IP_VS is not set
#
# IP: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV4=m
CONFIG_NF_CONNTRACK_IPV4=m
# CONFIG_NF_SOCKET_IPV4 is not set
# CONFIG_NF_DUP_IPV4 is not set
CONFIG_NF_LOG_ARP=m
CONFIG_NF_LOG_IPV4=m
CONFIG_NF_REJECT_IPV4=m
CONFIG_NF_NAT_IPV4=m
CONFIG_NF_NAT_MASQUERADE_IPV4=m
# CONFIG_NF_NAT_PPTP is not set
# CONFIG_NF_NAT_H323 is not set
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_NAT=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
CONFIG_IP_NF_MANGLE=m
# CONFIG_IP_NF_RAW is not set
# CONFIG_BRIDGE_NF_EBTABLES is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_RDS is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_L2TP is not set
CONFIG_STP=m
CONFIG_BRIDGE=m
CONFIG_BRIDGE_IGMP_SNOOPING=y
# CONFIG_BRIDGE_VLAN_FILTERING is not set
CONFIG_HAVE_NET_DSA=y
# CONFIG_NET_DSA is not set
CONFIG_VLAN_8021Q=m
# CONFIG_VLAN_8021Q_GVRP is not set
# CONFIG_VLAN_8021Q_MVRP is not set
# CONFIG_DECNET is not set
CONFIG_LLC=m
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_PHONET is not set
# CONFIG_IEEE802154 is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
CONFIG_DNS_RESOLVER=y
# CONFIG_BATMAN_ADV is not set
# CONFIG_OPENVSWITCH is not set
# CONFIG_VSOCKETS is not set
# CONFIG_NETLINK_DIAG is not set
# CONFIG_MPLS is not set
# CONFIG_HSR is not set
# CONFIG_NET_SWITCHDEV is not set
# CONFIG_NET_L3_MASTER_DEV is not set
# CONFIG_NET_NCSI is not set
CONFIG_RPS=y
CONFIG_RFS_ACCEL=y
CONFIG_XPS=y
# CONFIG_CGROUP_NET_PRIO is not set
# CONFIG_CGROUP_NET_CLASSID is not set
CONFIG_NET_RX_BUSY_POLL=y
CONFIG_BQL=y
# CONFIG_BPF_JIT is not set
CONFIG_NET_FLOW_LIMIT=y
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NET_TCPPROBE is not set
# CONFIG_NET_DROP_MONITOR is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
# CONFIG_AF_KCM is not set
# CONFIG_STREAM_PARSER is not set
CONFIG_WIRELESS=y
# CONFIG_CFG80211 is not set
# CONFIG_LIB80211 is not set
#
# CFG80211 needs to be enabled for MAC80211
#
CONFIG_MAC80211_STA_HASH_MAX_SIZE=0
# CONFIG_WIMAX is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
# CONFIG_CAIF is not set
# CONFIG_CEPH_LIB is not set
# CONFIG_NFC is not set
# CONFIG_PSAMPLE is not set
# CONFIG_NET_IFE is not set
# CONFIG_LWTUNNEL is not set
CONFIG_DST_CACHE=y
CONFIG_GRO_CELLS=y
# CONFIG_NET_DEVLINK is not set
CONFIG_MAY_USE_DEVLINK=y
CONFIG_HAVE_EBPF_JIT=y
#
# Device Drivers
#
#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE=""
# CONFIG_FW_LOADER_USER_HELPER_FALLBACK is not set
CONFIG_ALLOW_DEV_COREDUMP=y
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set
# CONFIG_TEST_ASYNC_DRIVER_PROBE is not set
# CONFIG_SYS_HYPERVISOR is not set
# CONFIG_GENERIC_CPU_DEVICES is not set
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_REGMAP=y
CONFIG_REGMAP_I2C=y
# CONFIG_DMA_SHARED_BUFFER is not set
#
# Bus devices
#
# CONFIG_CONNECTOR is not set
# CONFIG_MTD is not set
CONFIG_DTC=y
CONFIG_OF=y
# CONFIG_OF_UNITTEST is not set
CONFIG_OF_FLATTREE=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_DYNAMIC=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_ADDRESS_PCI=y
CONFIG_OF_IRQ=y
CONFIG_OF_NET=y
CONFIG_OF_MDIO=y
CONFIG_OF_PCI=y
CONFIG_OF_PCI_IRQ=y
CONFIG_OF_RESERVED_MEM=y
# CONFIG_OF_OVERLAY is not set
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
# CONFIG_PARPORT_SERIAL is not set
# CONFIG_PARPORT_PC_FIFO is not set
# CONFIG_PARPORT_PC_SUPERIO is not set
# CONFIG_PARPORT_GSC is not set
# CONFIG_PARPORT_AX88796 is not set
# CONFIG_PARPORT_1284 is not set
CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_NULL_BLK is not set
CONFIG_BLK_DEV_FD=m
# CONFIG_PARIDE is not set
# CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_DRBD is not set
CONFIG_BLK_DEV_NBD=m
# CONFIG_BLK_DEV_SKD is not set
# CONFIG_BLK_DEV_SX8 is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=65536
# CONFIG_BLK_DEV_RAM_DAX is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
CONFIG_VIRTIO_BLK=m
# CONFIG_VIRTIO_BLK_SCSI is not set
# CONFIG_BLK_DEV_HD is not set
# CONFIG_BLK_DEV_RBD is not set
# CONFIG_BLK_DEV_RSXX is not set
CONFIG_NVME_CORE=m
CONFIG_BLK_DEV_NVME=m
CONFIG_BLK_DEV_NVME_SCSI=y
CONFIG_NVME_FABRICS=m
CONFIG_NVME_RDMA=m
CONFIG_NVME_FC=m
#
# Misc devices
#
# CONFIG_SENSORS_LIS3LV02D is not set
# CONFIG_AD525X_DPOT is not set
# CONFIG_DUMMY_IRQ is not set
# CONFIG_PHANTOM is not set
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_HP_ILO is not set
# CONFIG_APDS9802ALS is not set
# CONFIG_ISL29003 is not set
# CONFIG_ISL29020 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_SENSORS_BH1770 is not set
# CONFIG_SENSORS_APDS990X is not set
# CONFIG_HMC6352 is not set
# CONFIG_DS1682 is not set
# CONFIG_USB_SWITCH_FSA9480 is not set
# CONFIG_SRAM is not set
# CONFIG_PANEL is not set
# CONFIG_C2PORT is not set
#
# EEPROM support
#
# CONFIG_EEPROM_AT24 is not set
# CONFIG_EEPROM_LEGACY is not set
# CONFIG_EEPROM_MAX6875 is not set
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_EEPROM_IDT_89HPESX is not set
# CONFIG_CB710_CORE is not set
#
# Texas Instruments shared transport line discipline
#
# CONFIG_SENSORS_LIS3_I2C is not set
#
# Altera FPGA firmware download module
#
# CONFIG_ALTERA_STAPL is not set
#
# Intel MIC Bus Driver
#
#
# SCIF Bus Driver
#
#
# VOP Bus Driver
#
#
# Intel MIC Host Driver
#
#
# Intel MIC Card Driver
#
#
# SCIF Driver
#
#
# Intel MIC Coprocessor State Management (COSM) Drivers
#
#
# VOP Driver
#
# CONFIG_GENWQE is not set
# CONFIG_ECHO is not set
CONFIG_CXL_BASE=y
CONFIG_CXL_AFU_DRIVER_OPS=y
CONFIG_CXL=m
CONFIG_HAVE_IDE=y
CONFIG_IDE=y
#
# Please see Documentation/ide/ide.txt for help/info on IDE drives
#
CONFIG_IDE_XFER_MODE=y
CONFIG_IDE_TIMINGS=y
CONFIG_IDE_ATAPI=y
# CONFIG_BLK_DEV_IDE_SATA is not set
CONFIG_IDE_GD=y
CONFIG_IDE_GD_ATA=y
# CONFIG_IDE_GD_ATAPI is not set
CONFIG_BLK_DEV_IDECD=y
CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_IDE_TASK_IOCTL is not set
CONFIG_IDE_PROC_FS=y
#
# IDE chipset support/bugfixes
#
# CONFIG_BLK_DEV_PLATFORM is not set
CONFIG_BLK_DEV_IDEDMA_SFF=y
#
# PCI IDE chipsets support
#
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_IDEPCI_PCIBUS_ORDER=y
# CONFIG_BLK_DEV_OFFBOARD is not set
CONFIG_BLK_DEV_GENERIC=y
# CONFIG_BLK_DEV_OPTI621 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_AEC62XX is not set
# CONFIG_BLK_DEV_ALI15X3 is not set
CONFIG_BLK_DEV_AMD74XX=y
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_HPT366 is not set
# CONFIG_BLK_DEV_JMICRON is not set
# CONFIG_BLK_DEV_PIIX is not set
# CONFIG_BLK_DEV_IT8172 is not set
# CONFIG_BLK_DEV_IT8213 is not set
# CONFIG_BLK_DEV_IT821X is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SL82C105 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_BLK_DEV_TC86C001 is not set
CONFIG_BLK_DEV_IDEDMA=y
#
# SCSI device support
#
CONFIG_SCSI_MOD=y
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
CONFIG_SCSI_NETLINK=y
# CONFIG_SCSI_MQ_DEFAULT is not set
CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
# CONFIG_CHR_DEV_OSST is not set
CONFIG_BLK_DEV_SR=y
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=y
# CONFIG_CHR_DEV_SCH is not set
CONFIG_SCSI_CONSTANTS=y
# CONFIG_SCSI_LOGGING is not set
# CONFIG_SCSI_SCAN_ASYNC is not set
#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=m
CONFIG_SCSI_FC_ATTRS=y
CONFIG_SCSI_ISCSI_ATTRS=m
CONFIG_SCSI_SAS_ATTRS=m
# CONFIG_SCSI_SAS_LIBSAS is not set
CONFIG_SCSI_SRP_ATTRS=y
CONFIG_SCSI_LOWLEVEL=y
# CONFIG_ISCSI_TCP is not set
CONFIG_ISCSI_BOOT_SYSFS=m
CONFIG_SCSI_CXGB3_ISCSI=m
CONFIG_SCSI_CXGB4_ISCSI=m
CONFIG_SCSI_BNX2_ISCSI=m
CONFIG_BE2ISCSI=m
CONFIG_CXLFLASH=m
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_HPSA is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_3W_SAS is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC79XX is not set
# CONFIG_SCSI_AIC94XX is not set
# CONFIG_SCSI_MVSAS is not set
# CONFIG_SCSI_MVUMI is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_ARCMSR is not set
# CONFIG_SCSI_ESAS2R is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
# CONFIG_MEGARAID_SAS is not set
CONFIG_SCSI_MPT3SAS=m
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
CONFIG_SCSI_MPT3SAS_MAX_SGE=128
CONFIG_SCSI_MPT2SAS=m
# CONFIG_SCSI_SMARTPQI is not set
# CONFIG_SCSI_UFSHCD is not set
# CONFIG_SCSI_HPTIOP is not set
# CONFIG_LIBFC is not set
# CONFIG_SCSI_SNIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_IPS is not set
CONFIG_SCSI_IBMVSCSI=y
CONFIG_SCSI_IBMVFC=m
CONFIG_SCSI_IBMVFC_TRACE=y
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_PPA is not set
# CONFIG_SCSI_IMM is not set
# CONFIG_SCSI_STEX is not set
CONFIG_SCSI_SYM53C8XX_2=m
CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
CONFIG_SCSI_SYM53C8XX_MMIO=y
CONFIG_SCSI_IPR=y
CONFIG_SCSI_IPR_TRACE=y
CONFIG_SCSI_IPR_DUMP=y
# CONFIG_SCSI_QLOGIC_1280 is not set
CONFIG_SCSI_QLA_FC=m
CONFIG_SCSI_QLA_ISCSI=m
CONFIG_SCSI_LPFC=m
# CONFIG_SCSI_LPFC_DEBUG_FS is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_WD719X is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_PMCRAID is not set
# CONFIG_SCSI_PM8001 is not set
# CONFIG_SCSI_BFA_FC is not set
CONFIG_SCSI_VIRTIO=m
# CONFIG_SCSI_CHELSIO_FCOE is not set
CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=m
# CONFIG_SCSI_DH_HP_SW is not set
# CONFIG_SCSI_DH_EMC is not set
CONFIG_SCSI_DH_ALUA=m
# CONFIG_SCSI_OSD_INITIATOR is not set
CONFIG_ATA=y
# CONFIG_ATA_NONSTANDARD is not set
CONFIG_ATA_VERBOSE_ERROR=y
CONFIG_SATA_PMP=y
#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=y
# CONFIG_SATA_AHCI_PLATFORM is not set
# CONFIG_AHCI_CEVA is not set
# CONFIG_AHCI_QORIQ is not set
# CONFIG_SATA_INIC162X is not set
# CONFIG_SATA_ACARD_AHCI is not set
# CONFIG_SATA_SIL24 is not set
# CONFIG_ATA_SFF is not set
CONFIG_MD=y
CONFIG_BLK_DEV_MD=y
CONFIG_MD_AUTODETECT=y
CONFIG_MD_LINEAR=y
CONFIG_MD_RAID0=y
CONFIG_MD_RAID1=y
CONFIG_MD_RAID10=m
CONFIG_MD_RAID456=m
CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
# CONFIG_BCACHE is not set
CONFIG_BLK_DEV_DM_BUILTIN=y
CONFIG_BLK_DEV_DM=y
# CONFIG_DM_MQ_DEFAULT is not set
# CONFIG_DM_DEBUG is not set
CONFIG_DM_BUFIO=m
# CONFIG_DM_DEBUG_BLOCK_MANAGER_LOCKING is not set
CONFIG_DM_BIO_PRISON=m
CONFIG_DM_PERSISTENT_DATA=m
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
CONFIG_DM_THIN_PROVISIONING=m
# CONFIG_DM_CACHE is not set
# CONFIG_DM_ERA is not set
CONFIG_DM_MIRROR=m
# CONFIG_DM_LOG_USERSPACE is not set
# CONFIG_DM_RAID is not set
CONFIG_DM_ZERO=m
CONFIG_DM_MULTIPATH=m
CONFIG_DM_MULTIPATH_QL=m
CONFIG_DM_MULTIPATH_ST=m
# CONFIG_DM_DELAY is not set
CONFIG_DM_UEVENT=y
# CONFIG_DM_FLAKEY is not set
# CONFIG_DM_VERITY is not set
# CONFIG_DM_SWITCH is not set
# CONFIG_DM_LOG_WRITES is not set
# CONFIG_DM_INTEGRITY is not set
# CONFIG_TARGET_CORE is not set
# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
# CONFIG_FIREWIRE_NOSY is not set
# CONFIG_MACINTOSH_DRIVERS is not set
CONFIG_NETDEVICES=y
CONFIG_MII=y
CONFIG_NET_CORE=y
CONFIG_BONDING=m
CONFIG_DUMMY=m
# CONFIG_EQUALIZER is not set
# CONFIG_NET_FC is not set
# CONFIG_NET_TEAM is not set
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
CONFIG_VXLAN=m
# CONFIG_GENEVE is not set
# CONFIG_GTP is not set
# CONFIG_MACSEC is not set
CONFIG_NETCONSOLE=y
CONFIG_NETPOLL=y
CONFIG_NET_POLL_CONTROLLER=y
CONFIG_TUN=m
CONFIG_TAP=m
# CONFIG_TUN_VNET_CROSS_LE is not set
CONFIG_VETH=m
CONFIG_VIRTIO_NET=m
# CONFIG_NLMON is not set
# CONFIG_ARCNET is not set
#
# CAIF transport drivers
#
#
# Distributed Switch Architecture drivers
#
CONFIG_ETHERNET=y
CONFIG_MDIO=m
CONFIG_NET_VENDOR_3COM=y
CONFIG_VORTEX=m
# CONFIG_TYPHOON is not set
CONFIG_NET_VENDOR_ADAPTEC=y
# CONFIG_ADAPTEC_STARFIRE is not set
CONFIG_NET_VENDOR_AGERE=y
# CONFIG_ET131X is not set
CONFIG_NET_VENDOR_ALACRITECH=y
# CONFIG_SLICOSS is not set
CONFIG_NET_VENDOR_ALTEON=y
CONFIG_ACENIC=m
CONFIG_ACENIC_OMIT_TIGON_I=y
# CONFIG_ALTERA_TSE is not set
CONFIG_NET_VENDOR_AMAZON=y
CONFIG_NET_VENDOR_AMD=y
# CONFIG_AMD8111_ETH is not set
CONFIG_PCNET32=m
# CONFIG_AMD_XGBE_HAVE_ECC is not set
CONFIG_NET_VENDOR_AQUANTIA=y
CONFIG_NET_VENDOR_ARC=y
CONFIG_NET_VENDOR_ATHEROS=y
# CONFIG_ATL2 is not set
# CONFIG_ATL1 is not set
# CONFIG_ATL1E is not set
# CONFIG_ATL1C is not set
# CONFIG_ALX is not set
# CONFIG_NET_VENDOR_AURORA is not set
CONFIG_NET_CADENCE=y
# CONFIG_MACB is not set
CONFIG_NET_VENDOR_BROADCOM=y
# CONFIG_B44 is not set
# CONFIG_BCMGENET is not set
CONFIG_BNX2=m
CONFIG_CNIC=m
CONFIG_TIGON3=y
CONFIG_TIGON3_HWMON=y
CONFIG_BNX2X=m
# CONFIG_SYSTEMPORT is not set
# CONFIG_BNXT is not set
CONFIG_NET_VENDOR_BROCADE=y
# CONFIG_BNA is not set
CONFIG_NET_VENDOR_CAVIUM=y
# CONFIG_THUNDER_NIC_PF is not set
# CONFIG_THUNDER_NIC_VF is not set
# CONFIG_THUNDER_NIC_BGX is not set
# CONFIG_THUNDER_NIC_RGX is not set
# CONFIG_LIQUIDIO is not set
# CONFIG_LIQUIDIO_VF is not set
CONFIG_NET_VENDOR_CHELSIO=y
CONFIG_CHELSIO_T1=m
# CONFIG_CHELSIO_T1_1G is not set
CONFIG_CHELSIO_T3=m
CONFIG_CHELSIO_T4=m
# CONFIG_CHELSIO_T4VF is not set
CONFIG_CHELSIO_LIB=m
CONFIG_NET_VENDOR_CISCO=y
# CONFIG_ENIC is not set
# CONFIG_DNET is not set
CONFIG_NET_VENDOR_DEC=y
# CONFIG_NET_TULIP is not set
CONFIG_NET_VENDOR_DLINK=y
# CONFIG_DL2K is not set
# CONFIG_SUNDANCE is not set
CONFIG_NET_VENDOR_EMULEX=y
CONFIG_BE2NET=m
CONFIG_BE2NET_HWMON=y
CONFIG_NET_VENDOR_EZCHIP=y
# CONFIG_EZCHIP_NPS_MANAGEMENT_ENET is not set
CONFIG_NET_VENDOR_EXAR=y
CONFIG_S2IO=m
# CONFIG_VXGE is not set
CONFIG_NET_VENDOR_HP=y
# CONFIG_HP100 is not set
CONFIG_NET_VENDOR_IBM=y
CONFIG_IBMVETH=y
# CONFIG_IBM_EMAC_ZMII is not set
# CONFIG_IBM_EMAC_RGMII is not set
# CONFIG_IBM_EMAC_TAH is not set
# CONFIG_IBM_EMAC_EMAC4 is not set
# CONFIG_IBM_EMAC_NO_FLOW_CTRL is not set
# CONFIG_IBM_EMAC_MAL_CLR_ICINTSTAT is not set
# CONFIG_IBM_EMAC_MAL_COMMON_ERR is not set
# CONFIG_IBMVNIC is not set
CONFIG_NET_VENDOR_INTEL=y
CONFIG_E100=y
CONFIG_E1000=y
CONFIG_E1000E=y
# CONFIG_IGB is not set
# CONFIG_IGBVF is not set
CONFIG_IXGB=m
CONFIG_IXGBE=m
CONFIG_IXGBE_HWMON=y
# CONFIG_IXGBEVF is not set
CONFIG_I40E=m
# CONFIG_I40EVF is not set
# CONFIG_FM10K is not set
CONFIG_NET_VENDOR_I825XX=y
# CONFIG_JME is not set
CONFIG_NET_VENDOR_MARVELL=y
# CONFIG_MVMDIO is not set
# CONFIG_SKGE is not set
# CONFIG_SKY2 is not set
CONFIG_NET_VENDOR_MELLANOX=y
CONFIG_MLX4_EN=m
CONFIG_MLX4_CORE=m
CONFIG_MLX4_DEBUG=y
# CONFIG_MLX5_CORE is not set
# CONFIG_MLXSW_CORE is not set
CONFIG_NET_VENDOR_MICREL=y
# CONFIG_KS8851_MLL is not set
# CONFIG_KSZ884X_PCI is not set
CONFIG_NET_VENDOR_MYRI=y
CONFIG_MYRI10GE=m
# CONFIG_FEALNX is not set
CONFIG_NET_VENDOR_NATSEMI=y
# CONFIG_NATSEMI is not set
# CONFIG_NS83820 is not set
CONFIG_NET_VENDOR_NETRONOME=y
# CONFIG_NFP is not set
CONFIG_NET_VENDOR_8390=y
# CONFIG_NE2K_PCI is not set
CONFIG_NET_VENDOR_NVIDIA=y
# CONFIG_FORCEDETH is not set
CONFIG_NET_VENDOR_OKI=y
# CONFIG_ETHOC is not set
CONFIG_NET_PACKET_ENGINE=y
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
CONFIG_NET_VENDOR_QLOGIC=y
# CONFIG_QLA3XXX is not set
# CONFIG_QLCNIC is not set
CONFIG_QLGE=m
CONFIG_NETXEN_NIC=m
# CONFIG_QED is not set
CONFIG_NET_VENDOR_QUALCOMM=y
# CONFIG_QCOM_EMAC is not set
CONFIG_NET_VENDOR_REALTEK=y
# CONFIG_8139CP is not set
# CONFIG_8139TOO is not set
# CONFIG_R8169 is not set
CONFIG_NET_VENDOR_RENESAS=y
CONFIG_NET_VENDOR_RDC=y
# CONFIG_R6040 is not set
CONFIG_NET_VENDOR_ROCKER=y
CONFIG_NET_VENDOR_SAMSUNG=y
# CONFIG_SXGBE_ETH is not set
CONFIG_NET_VENDOR_SEEQ=y
CONFIG_NET_VENDOR_SILAN=y
# CONFIG_SC92031 is not set
CONFIG_NET_VENDOR_SIS=y
# CONFIG_SIS900 is not set
# CONFIG_SIS190 is not set
CONFIG_NET_VENDOR_SOLARFLARE=y
# CONFIG_SFC is not set
# CONFIG_SFC_FALCON is not set
CONFIG_NET_VENDOR_SMSC=y
# CONFIG_EPIC100 is not set
# CONFIG_SMSC911X is not set
# CONFIG_SMSC9420 is not set
CONFIG_NET_VENDOR_STMICRO=y
# CONFIG_STMMAC_ETH is not set
CONFIG_NET_VENDOR_SUN=y
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
# CONFIG_NIU is not set
CONFIG_NET_VENDOR_TEHUTI=y
# CONFIG_TEHUTI is not set
CONFIG_NET_VENDOR_TI=y
# CONFIG_TI_CPSW_ALE is not set
# CONFIG_TLAN is not set
CONFIG_NET_VENDOR_VIA=y
# CONFIG_VIA_RHINE is not set
# CONFIG_VIA_VELOCITY is not set
CONFIG_NET_VENDOR_WIZNET=y
# CONFIG_WIZNET_W5100 is not set
# CONFIG_WIZNET_W5300 is not set
CONFIG_NET_VENDOR_XILINX=y
# CONFIG_XILINX_LL_TEMAC is not set
CONFIG_NET_VENDOR_SYNOPSYS=y
# CONFIG_DWC_XLGMAC is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
CONFIG_MDIO_DEVICE=y
# CONFIG_MDIO_BCM_UNIMAC is not set
# CONFIG_MDIO_BITBANG is not set
# CONFIG_MDIO_BUS_MUX_MMIOREG is not set
# CONFIG_MDIO_HISI_FEMAC is not set
# CONFIG_MDIO_OCTEON is not set
# CONFIG_MDIO_THUNDER is not set
CONFIG_PHYLIB=y
CONFIG_SWPHY=y
#
# MII PHY device drivers
#
# CONFIG_AMD_PHY is not set
# CONFIG_AQUANTIA_PHY is not set
# CONFIG_AT803X_PHY is not set
# CONFIG_BCM7XXX_PHY is not set
# CONFIG_BCM87XX_PHY is not set
# CONFIG_BROADCOM_PHY is not set
# CONFIG_CICADA_PHY is not set
# CONFIG_DAVICOM_PHY is not set
# CONFIG_DP83848_PHY is not set
# CONFIG_DP83867_PHY is not set
CONFIG_FIXED_PHY=y
# CONFIG_ICPLUS_PHY is not set
# CONFIG_INTEL_XWAY_PHY is not set
# CONFIG_LSI_ET1011C_PHY is not set
# CONFIG_LXT_PHY is not set
# CONFIG_MARVELL_PHY is not set
# CONFIG_MICREL_PHY is not set
# CONFIG_MICROCHIP_PHY is not set
# CONFIG_MICROSEMI_PHY is not set
# CONFIG_NATIONAL_PHY is not set
# CONFIG_QSEMI_PHY is not set
# CONFIG_REALTEK_PHY is not set
# CONFIG_SMSC_PHY is not set
# CONFIG_STE10XP is not set
# CONFIG_TERANETICS_PHY is not set
# CONFIG_VITESSE_PHY is not set
# CONFIG_XILINX_GMII2RGMII is not set
# CONFIG_PLIP is not set
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
# CONFIG_PPP_FILTER is not set
# CONFIG_PPP_MPPE is not set
# CONFIG_PPP_MULTILINK is not set
CONFIG_PPPOE=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
# CONFIG_SLIP is not set
CONFIG_SLHC=m
CONFIG_USB_NET_DRIVERS=y
# CONFIG_USB_CATC is not set
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
# CONFIG_USB_RTL8152 is not set
# CONFIG_USB_LAN78XX is not set
# CONFIG_USB_USBNET is not set
# CONFIG_USB_IPHETH is not set
CONFIG_WLAN=y
CONFIG_WLAN_VENDOR_ADMTEK=y
CONFIG_WLAN_VENDOR_ATH=y
# CONFIG_ATH_DEBUG is not set
# CONFIG_ATH5K_PCI is not set
CONFIG_WLAN_VENDOR_ATMEL=y
CONFIG_WLAN_VENDOR_BROADCOM=y
CONFIG_WLAN_VENDOR_CISCO=y
CONFIG_WLAN_VENDOR_INTEL=y
CONFIG_WLAN_VENDOR_INTERSIL=y
# CONFIG_HOSTAP is not set
# CONFIG_PRISM54 is not set
CONFIG_WLAN_VENDOR_MARVELL=y
CONFIG_WLAN_VENDOR_MEDIATEK=y
CONFIG_WLAN_VENDOR_RALINK=y
CONFIG_WLAN_VENDOR_REALTEK=y
CONFIG_WLAN_VENDOR_RSI=y
CONFIG_WLAN_VENDOR_ST=y
CONFIG_WLAN_VENDOR_TI=y
CONFIG_WLAN_VENDOR_ZYDAS=y
#
# Enable WiMAX (Networking options) to see the WiMAX drivers
#
# CONFIG_WAN is not set
# CONFIG_ISDN is not set
# CONFIG_NVM is not set
#
# Input device support
#
CONFIG_INPUT=y
CONFIG_INPUT_LEDS=m
# CONFIG_INPUT_FF_MEMLESS is not set
# CONFIG_INPUT_POLLDEV is not set
# CONFIG_INPUT_SPARSEKMAP is not set
# CONFIG_INPUT_MATRIXKMAP is not set
#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
CONFIG_INPUT_EVDEV=m
# CONFIG_INPUT_EVBUG is not set
#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_ADP5588 is not set
# CONFIG_KEYBOARD_ADP5589 is not set
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_QT1070 is not set
# CONFIG_KEYBOARD_QT2160 is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_TCA6416 is not set
# CONFIG_KEYBOARD_TCA8418 is not set
# CONFIG_KEYBOARD_LM8323 is not set
# CONFIG_KEYBOARD_LM8333 is not set
# CONFIG_KEYBOARD_MAX7359 is not set
# CONFIG_KEYBOARD_MCS is not set
# CONFIG_KEYBOARD_MPR121 is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_OPENCORES is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_OMAP4 is not set
# CONFIG_KEYBOARD_TM2_TOUCHKEY is not set
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_CAP11XX is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_BYD=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS=y
CONFIG_MOUSE_PS2_CYPRESS=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_PS2_ELANTECH is not set
# CONFIG_MOUSE_PS2_SENTELIC is not set
# CONFIG_MOUSE_PS2_TOUCHKIT is not set
CONFIG_MOUSE_PS2_FOCALTECH=y
CONFIG_MOUSE_PS2_SMBUS=y
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_BCM5974 is not set
# CONFIG_MOUSE_CYAPA is not set
# CONFIG_MOUSE_ELAN_I2C is not set
# CONFIG_MOUSE_VSXXXAA is not set
# CONFIG_MOUSE_SYNAPTICS_I2C is not set
# CONFIG_MOUSE_SYNAPTICS_USB is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
CONFIG_INPUT_MISC=y
# CONFIG_INPUT_AD714X is not set
# CONFIG_INPUT_ATMEL_CAPTOUCH is not set
# CONFIG_INPUT_BMA150 is not set
# CONFIG_INPUT_E3X0_BUTTON is not set
CONFIG_INPUT_PCSPKR=m
# CONFIG_INPUT_MMA8450 is not set
# CONFIG_INPUT_ATI_REMOTE2 is not set
# CONFIG_INPUT_KEYSPAN_REMOTE is not set
# CONFIG_INPUT_KXTJ9 is not set
# CONFIG_INPUT_POWERMATE is not set
# CONFIG_INPUT_YEALINK is not set
# CONFIG_INPUT_CM109 is not set
# CONFIG_INPUT_UINPUT is not set
# CONFIG_INPUT_PCF8574 is not set
# CONFIG_INPUT_ADXL34X is not set
# CONFIG_INPUT_IMS_PCU is not set
# CONFIG_INPUT_CMA3000 is not set
# CONFIG_INPUT_IDEAPAD_SLIDEBAR is not set
# CONFIG_INPUT_DRV2665_HAPTICS is not set
# CONFIG_INPUT_DRV2667_HAPTICS is not set
# CONFIG_RMI4_CORE is not set
#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
CONFIG_SERIO_I8042=y
# CONFIG_SERIO_SERPORT is not set
# CONFIG_SERIO_PARKBD is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
# CONFIG_SERIO_RAW is not set
# CONFIG_SERIO_XILINX_XPS_PS2 is not set
# CONFIG_SERIO_ALTERA_PS2 is not set
# CONFIG_SERIO_PS2MULT is not set
# CONFIG_SERIO_ARC_PS2 is not set
# CONFIG_SERIO_APBPS2 is not set
# CONFIG_USERIO is not set
# CONFIG_GAMEPORT is not set
#
# Character devices
#
CONFIG_TTY=y
CONFIG_VT=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_VT_CONSOLE=y
CONFIG_VT_CONSOLE_SLEEP=y
CONFIG_HW_CONSOLE=y
CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_NOZOMI is not set
# CONFIG_N_GSM is not set
# CONFIG_TRACE_SINK is not set
# CONFIG_PPC_EPAPR_HV_BYTECHAN is not set
CONFIG_DEVMEM=y
CONFIG_DEVKMEM=y
#
# Serial drivers
#
CONFIG_SERIAL_EARLYCON=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_DEPRECATED_OPTIONS=y
# CONFIG_SERIAL_8250_FINTEK is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_EXAR=y
CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
CONFIG_SERIAL_8250_FSL=y
# CONFIG_SERIAL_8250_DW is not set
# CONFIG_SERIAL_8250_RT288X is not set
# CONFIG_SERIAL_8250_MOXA is not set
# CONFIG_SERIAL_OF_PLATFORM is not set
#
# Non-8250 serial port support
#
# CONFIG_SERIAL_UARTLITE is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_SERIAL_ICOM=m
CONFIG_SERIAL_JSM=m
# CONFIG_SERIAL_SCCNXP is not set
# CONFIG_SERIAL_SC16IS7XX is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
# CONFIG_SERIAL_XILINX_PS_UART is not set
# CONFIG_SERIAL_ARC is not set
# CONFIG_SERIAL_RP2 is not set
# CONFIG_SERIAL_FSL_LPUART is not set
# CONFIG_SERIAL_CONEXANT_DIGICOLOR is not set
# CONFIG_SERIAL_DEV_BUS is not set
# CONFIG_PRINTER is not set
# CONFIG_PPDEV is not set
CONFIG_HVC_DRIVER=y
CONFIG_HVC_IRQ=y
CONFIG_HVC_CONSOLE=y
# CONFIG_HVC_OLD_HVSI is not set
CONFIG_HVC_OPAL=y
CONFIG_HVC_RTAS=y
# CONFIG_HVC_UDBG is not set
CONFIG_HVCS=m
CONFIG_VIRTIO_CONSOLE=m
CONFIG_IBM_BSR=m
CONFIG_POWERNV_OP_PANEL=m
# CONFIG_IPMI_HANDLER is not set
CONFIG_HW_RANDOM=m
# CONFIG_HW_RANDOM_TIMERIOMEM is not set
# CONFIG_HW_RANDOM_VIRTIO is not set
CONFIG_HW_RANDOM_PSERIES=m
CONFIG_HW_RANDOM_POWERNV=m
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
CONFIG_RAW_DRIVER=y
CONFIG_MAX_RAW_DEVS=1024
# CONFIG_HANGCHECK_TIMER is not set
# CONFIG_TCG_TPM is not set
CONFIG_DEVPORT=y
# CONFIG_XILLYBUS is not set
#
# I2C support
#
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
# CONFIG_I2C_CHARDEV is not set
# CONFIG_I2C_MUX is not set
CONFIG_I2C_HELPER_AUTO=y
CONFIG_I2C_ALGOBIT=y
#
# I2C Hardware Bus support
#
#
# PC SMBus host controller drivers
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_ISCH is not set
# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_DESIGNWARE_PLATFORM is not set
# CONFIG_I2C_DESIGNWARE_PCI is not set
# CONFIG_I2C_MPC is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_PXA_PCI is not set
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_XILINX is not set
#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_DIOLAN_U2C is not set
# CONFIG_I2C_PARPORT is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_ROBOTFUZZ_OSIF is not set
# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_TINY_USB is not set
#
# Other I2C/SMBus bus drivers
#
CONFIG_I2C_OPAL=y
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_SLAVE is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_SPI is not set
# CONFIG_SPMI is not set
# CONFIG_HSI is not set
#
# PPS support
#
CONFIG_PPS=y
# CONFIG_PPS_DEBUG is not set
#
# PPS clients support
#
# CONFIG_PPS_CLIENT_KTIMER is not set
# CONFIG_PPS_CLIENT_LDISC is not set
# CONFIG_PPS_CLIENT_PARPORT is not set
# CONFIG_PPS_CLIENT_GPIO is not set
#
# PPS generators support
#
#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK=y
#
# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
#
# CONFIG_GPIOLIB is not set
# CONFIG_W1 is not set
# CONFIG_POWER_AVS is not set
# CONFIG_POWER_RESET is not set
# CONFIG_POWER_SUPPLY is not set
CONFIG_HWMON=y
# CONFIG_HWMON_VID is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
#
# Native drivers
#
# CONFIG_SENSORS_AD7414 is not set
# CONFIG_SENSORS_AD7418 is not set
# CONFIG_SENSORS_ADM1021 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1026 is not set
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7410 is not set
# CONFIG_SENSORS_ADT7411 is not set
# CONFIG_SENSORS_ADT7462 is not set
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS620 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_I5K_AMB is not set
# CONFIG_SENSORS_F75375S is not set
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_G760A is not set
# CONFIG_SENSORS_G762 is not set
# CONFIG_SENSORS_HIH6130 is not set
CONFIG_SENSORS_IBMPOWERNV=y
# CONFIG_SENSORS_JC42 is not set
# CONFIG_SENSORS_POWR1220 is not set
# CONFIG_SENSORS_LINEAGE is not set
# CONFIG_SENSORS_LTC2945 is not set
# CONFIG_SENSORS_LTC2990 is not set
# CONFIG_SENSORS_LTC4151 is not set
# CONFIG_SENSORS_LTC4215 is not set
# CONFIG_SENSORS_LTC4222 is not set
# CONFIG_SENSORS_LTC4245 is not set
# CONFIG_SENSORS_LTC4260 is not set
# CONFIG_SENSORS_LTC4261 is not set
# CONFIG_SENSORS_MAX16065 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_MAX1668 is not set
# CONFIG_SENSORS_MAX197 is not set
# CONFIG_SENSORS_MAX6639 is not set
# CONFIG_SENSORS_MAX6642 is not set
# CONFIG_SENSORS_MAX6650 is not set
# CONFIG_SENSORS_MAX6697 is not set
# CONFIG_SENSORS_MAX31790 is not set
# CONFIG_SENSORS_MCP3021 is not set
# CONFIG_SENSORS_TC654 is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM73 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
# CONFIG_SENSORS_LM78 is not set
# CONFIG_SENSORS_LM80 is not set
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_LM92 is not set
# CONFIG_SENSORS_LM93 is not set
# CONFIG_SENSORS_LM95234 is not set
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_LM95245 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
# CONFIG_SENSORS_NCT7802 is not set
# CONFIG_SENSORS_NCT7904 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_PMBUS is not set
# CONFIG_SENSORS_SHT21 is not set
# CONFIG_SENSORS_SHT3x is not set
# CONFIG_SENSORS_SHTC1 is not set
# CONFIG_SENSORS_SIS5595 is not set
# CONFIG_SENSORS_EMC1403 is not set
# CONFIG_SENSORS_EMC2103 is not set
# CONFIG_SENSORS_EMC6W201 is not set
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SCH56XX_COMMON is not set
# CONFIG_SENSORS_STTS751 is not set
# CONFIG_SENSORS_SMM665 is not set
# CONFIG_SENSORS_ADC128D818 is not set
# CONFIG_SENSORS_ADS1015 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_AMC6821 is not set
# CONFIG_SENSORS_INA209 is not set
# CONFIG_SENSORS_INA2XX is not set
# CONFIG_SENSORS_INA3221 is not set
# CONFIG_SENSORS_TC74 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_TMP102 is not set
# CONFIG_SENSORS_TMP103 is not set
# CONFIG_SENSORS_TMP108 is not set
# CONFIG_SENSORS_TMP401 is not set
# CONFIG_SENSORS_TMP421 is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_VT8231 is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
# CONFIG_SENSORS_W83795 is not set
# CONFIG_SENSORS_W83L785TS is not set
# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
#
# Sonics Silicon Backplane
#
# CONFIG_SSB is not set
CONFIG_BCMA_POSSIBLE=y
#
# Broadcom specific AMBA
#
# CONFIG_BCMA is not set
#
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_ACT8945A is not set
# CONFIG_MFD_AS3711 is not set
# CONFIG_MFD_AS3722 is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_ATMEL_FLEXCOM is not set
# CONFIG_MFD_ATMEL_HLCDC is not set
# CONFIG_MFD_BCM590XX is not set
# CONFIG_MFD_AXP20X_I2C is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_DA9052_I2C is not set
# CONFIG_MFD_DA9055 is not set
# CONFIG_MFD_DA9062 is not set
# CONFIG_MFD_DA9063 is not set
# CONFIG_MFD_DA9150 is not set
# CONFIG_MFD_DLN2 is not set
# CONFIG_MFD_MC13XXX_I2C is not set
# CONFIG_MFD_HI6421_PMIC is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_LPC_ICH is not set
# CONFIG_LPC_SCH is not set
# CONFIG_MFD_JANZ_CMODIO is not set
# CONFIG_MFD_KEMPLD is not set
# CONFIG_MFD_88PM800 is not set
# CONFIG_MFD_88PM805 is not set
# CONFIG_MFD_88PM860X is not set
# CONFIG_MFD_MAX14577 is not set
# CONFIG_MFD_MAX77620 is not set
# CONFIG_MFD_MAX77686 is not set
# CONFIG_MFD_MAX77693 is not set
# CONFIG_MFD_MAX77843 is not set
# CONFIG_MFD_MAX8907 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_MAX8997 is not set
# CONFIG_MFD_MAX8998 is not set
# CONFIG_MFD_MT6397 is not set
# CONFIG_MFD_MENF21BMC is not set
# CONFIG_MFD_VIPERBOARD is not set
# CONFIG_MFD_RETU is not set
# CONFIG_MFD_PCF50633 is not set
# CONFIG_MFD_RDC321X is not set
# CONFIG_MFD_RTSX_PCI is not set
# CONFIG_MFD_RT5033 is not set
# CONFIG_MFD_RTSX_USB is not set
# CONFIG_MFD_RC5T583 is not set
# CONFIG_MFD_RK808 is not set
# CONFIG_MFD_RN5T618 is not set
# CONFIG_MFD_SEC_CORE is not set
# CONFIG_MFD_SI476X_CORE is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_SKY81452 is not set
# CONFIG_MFD_SMSC is not set
# CONFIG_ABX500_CORE is not set
# CONFIG_MFD_STMPE is not set
# CONFIG_MFD_SYSCON is not set
# CONFIG_MFD_TI_AM335X_TSCADC is not set
# CONFIG_MFD_LP3943 is not set
# CONFIG_MFD_LP8788 is not set
# CONFIG_MFD_TI_LMU is not set
# CONFIG_MFD_PALMAS is not set
# CONFIG_TPS6105X is not set
# CONFIG_TPS6507X is not set
# CONFIG_MFD_TPS65086 is not set
# CONFIG_MFD_TPS65090 is not set
# CONFIG_MFD_TPS65217 is not set
# CONFIG_MFD_TI_LP873X is not set
# CONFIG_MFD_TPS65218 is not set
# CONFIG_MFD_TPS6586X is not set
# CONFIG_MFD_TPS65912_I2C is not set
# CONFIG_MFD_TPS80031 is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_TWL6040_CORE is not set
# CONFIG_MFD_WL1273_CORE is not set
# CONFIG_MFD_LM3533 is not set
# CONFIG_MFD_TC3589X is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_VX855 is not set
# CONFIG_MFD_ARIZONA_I2C is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM831X_I2C is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_WM8994 is not set
# CONFIG_REGULATOR is not set
# CONFIG_MEDIA_SUPPORT is not set
#
# Graphics support
#
# CONFIG_AGP is not set
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
# CONFIG_DRM is not set
#
# ACP (Audio CoProcessor) Configuration
#
# CONFIG_DRM_LIB_RANDOM is not set
#
# Frame buffer Devices
#
CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
CONFIG_FB_CMDLINE=y
CONFIG_FB_NOTIFY=y
CONFIG_FB_DDC=y
# CONFIG_FB_BOOT_VESA_SUPPORT is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
# CONFIG_FB_SYS_FILLRECT is not set
# CONFIG_FB_SYS_COPYAREA is not set
# CONFIG_FB_SYS_IMAGEBLIT is not set
# CONFIG_FB_PROVIDE_GET_FB_UNMAPPED_AREA is not set
# CONFIG_FB_FOREIGN_ENDIAN is not set
# CONFIG_FB_SYS_FOPS is not set
# CONFIG_FB_SVGALIB is not set
CONFIG_FB_MACMODES=y
CONFIG_FB_BACKLIGHT=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
#
# Frame buffer hardware drivers
#
# CONFIG_FB_CIRRUS is not set
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
CONFIG_FB_OF=y
# CONFIG_FB_ASILIANT is not set
# CONFIG_FB_IMSTT is not set
# CONFIG_FB_VGA16 is not set
# CONFIG_FB_OPENCORES is not set
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_I740 is not set
CONFIG_FB_MATROX=y
CONFIG_FB_MATROX_MILLENIUM=y
CONFIG_FB_MATROX_MYSTIQUE=y
CONFIG_FB_MATROX_G=y
# CONFIG_FB_MATROX_I2C is not set
CONFIG_FB_RADEON=y
CONFIG_FB_RADEON_I2C=y
CONFIG_FB_RADEON_BACKLIGHT=y
# CONFIG_FB_RADEON_DEBUG is not set
# CONFIG_FB_ATY128 is not set
# CONFIG_FB_ATY is not set
# CONFIG_FB_S3 is not set
# CONFIG_FB_SAVAGE is not set
# CONFIG_FB_SIS is not set
# CONFIG_FB_NEOMAGIC is not set
# CONFIG_FB_KYRO is not set
# CONFIG_FB_3DFX is not set
# CONFIG_FB_VOODOO1 is not set
# CONFIG_FB_VT8623 is not set
# CONFIG_FB_TRIDENT is not set
# CONFIG_FB_ARK is not set
# CONFIG_FB_PM3 is not set
# CONFIG_FB_CARMINE is not set
# CONFIG_FB_SMSCUFX is not set
# CONFIG_FB_UDL is not set
CONFIG_FB_IBM_GXT4500=y
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_BROADSHEET is not set
# CONFIG_FB_AUO_K190X is not set
# CONFIG_FB_SIMPLE is not set
# CONFIG_FB_SM712 is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=m
CONFIG_LCD_PLATFORM=m
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=y
# CONFIG_BACKLIGHT_PM8941_WLED is not set
# CONFIG_BACKLIGHT_ADP8860 is not set
# CONFIG_BACKLIGHT_ADP8870 is not set
# CONFIG_BACKLIGHT_LM3639 is not set
# CONFIG_BACKLIGHT_LV5207LP is not set
# CONFIG_BACKLIGHT_BD6107 is not set
# CONFIG_VGASTATE is not set
#
# Console display driver support
#
# CONFIG_VGA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_DUMMY_CONSOLE_COLUMNS=80
CONFIG_DUMMY_CONSOLE_ROWS=25
CONFIG_FRAMEBUFFER_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
CONFIG_LOGO=y
CONFIG_LOGO_LINUX_MONO=y
CONFIG_LOGO_LINUX_VGA16=y
CONFIG_LOGO_LINUX_CLUT224=y
# CONFIG_SOUND is not set
#
# HID support
#
CONFIG_HID=y
# CONFIG_HID_BATTERY_STRENGTH is not set
# CONFIG_HIDRAW is not set
# CONFIG_UHID is not set
CONFIG_HID_GENERIC=y
#
# Special HID drivers
#
CONFIG_HID_A4TECH=y
# CONFIG_HID_ACRUX is not set
CONFIG_HID_APPLE=y
# CONFIG_HID_APPLEIR is not set
# CONFIG_HID_ASUS is not set
# CONFIG_HID_AUREAL is not set
CONFIG_HID_BELKIN=y
# CONFIG_HID_BETOP_FF is not set
CONFIG_HID_CHERRY=y
CONFIG_HID_CHICONY=y
# CONFIG_HID_CORSAIR is not set
# CONFIG_HID_CMEDIA is not set
CONFIG_HID_CYPRESS=y
# CONFIG_HID_DRAGONRISE is not set
# CONFIG_HID_EMS_FF is not set
# CONFIG_HID_ELECOM is not set
# CONFIG_HID_ELO is not set
CONFIG_HID_EZKEY=y
# CONFIG_HID_GEMBIRD is not set
# CONFIG_HID_GFRM is not set
# CONFIG_HID_HOLTEK is not set
# CONFIG_HID_GT683R is not set
# CONFIG_HID_KEYTOUCH is not set
# CONFIG_HID_KYE is not set
# CONFIG_HID_UCLOGIC is not set
# CONFIG_HID_WALTOP is not set
CONFIG_HID_GYRATION=y
# CONFIG_HID_ICADE is not set
# CONFIG_HID_TWINHAN is not set
CONFIG_HID_KENSINGTON=y
# CONFIG_HID_LCPOWER is not set
# CONFIG_HID_LED is not set
# CONFIG_HID_LENOVO is not set
CONFIG_HID_LOGITECH=y
# CONFIG_HID_LOGITECH_HIDPP is not set
# CONFIG_LOGITECH_FF is not set
# CONFIG_LOGIRUMBLEPAD2_FF is not set
# CONFIG_LOGIG940_FF is not set
# CONFIG_LOGIWHEELS_FF is not set
# CONFIG_HID_MAGICMOUSE is not set
# CONFIG_HID_MAYFLASH is not set
CONFIG_HID_MICROSOFT=y
CONFIG_HID_MONTEREY=y
# CONFIG_HID_MULTITOUCH is not set
# CONFIG_HID_NTRIG is not set
# CONFIG_HID_ORTEK is not set
CONFIG_HID_PANTHERLORD=y
# CONFIG_PANTHERLORD_FF is not set
# CONFIG_HID_PENMOUNT is not set
CONFIG_HID_PETALYNX=y
# CONFIG_HID_PICOLCD is not set
# CONFIG_HID_PLANTRONICS is not set
# CONFIG_HID_PRIMAX is not set
# CONFIG_HID_ROCCAT is not set
# CONFIG_HID_SAITEK is not set
CONFIG_HID_SAMSUNG=y
# CONFIG_HID_SONY is not set
# CONFIG_HID_SPEEDLINK is not set
# CONFIG_HID_STEELSERIES is not set
CONFIG_HID_SUNPLUS=y
# CONFIG_HID_RMI is not set
# CONFIG_HID_GREENASIA is not set
# CONFIG_HID_SMARTJOYPLUS is not set
# CONFIG_HID_TIVO is not set
# CONFIG_HID_TOPSEED is not set
# CONFIG_HID_THINGM is not set
# CONFIG_HID_THRUSTMASTER is not set
# CONFIG_HID_UDRAW_PS3 is not set
# CONFIG_HID_WACOM is not set
# CONFIG_HID_WIIMOTE is not set
# CONFIG_HID_XINMO is not set
# CONFIG_HID_ZEROPLUS is not set
# CONFIG_HID_ZYDACRON is not set
# CONFIG_HID_SENSOR_HUB is not set
# CONFIG_HID_ALPS is not set
#
# USB HID support
#
CONFIG_USB_HID=y
# CONFIG_HID_PID is not set
CONFIG_USB_HIDDEV=y
#
# I2C HID support
#
# CONFIG_I2C_HID is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=y
CONFIG_USB_PCI=y
# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
#
# Miscellaneous USB options
#
CONFIG_USB_DEFAULT_PERSIST=y
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_OTG is not set
# CONFIG_USB_OTG_WHITELIST is not set
CONFIG_USB_MON=m
# CONFIG_USB_WUSB_CBAF is not set
#
# USB Host Controller Drivers
#
# CONFIG_USB_C67X00_HCD is not set
# CONFIG_USB_XHCI_HCD is not set
CONFIG_USB_EHCI_HCD=y
# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
CONFIG_USB_EHCI_TT_NEWSCHED=y
CONFIG_USB_EHCI_PCI=y
# CONFIG_USB_EHCI_HCD_PPC_OF is not set
# CONFIG_USB_EHCI_HCD_PLATFORM is not set
# CONFIG_USB_OXU210HP_HCD is not set
# CONFIG_USB_ISP116X_HCD is not set
# CONFIG_USB_ISP1362_HCD is not set
# CONFIG_USB_FOTG210_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_HCD_PPC_OF_BE is not set
# CONFIG_USB_OHCI_HCD_PPC_OF_LE is not set
# CONFIG_USB_OHCI_HCD_PPC_OF is not set
CONFIG_USB_OHCI_HCD_PCI=y
# CONFIG_USB_OHCI_HCD_PLATFORM is not set
# CONFIG_USB_UHCI_HCD is not set
# CONFIG_USB_SL811_HCD is not set
# CONFIG_USB_R8A66597_HCD is not set
# CONFIG_USB_HCD_TEST_MODE is not set
#
# USB Device Class drivers
#
# CONFIG_USB_ACM is not set
# CONFIG_USB_PRINTER is not set
# CONFIG_USB_WDM is not set
# CONFIG_USB_TMC is not set
#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#
#
# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=m
# CONFIG_USB_STORAGE_DEBUG is not set
# CONFIG_USB_STORAGE_REALTEK is not set
# CONFIG_USB_STORAGE_DATAFAB is not set
# CONFIG_USB_STORAGE_FREECOM is not set
# CONFIG_USB_STORAGE_ISD200 is not set
# CONFIG_USB_STORAGE_USBAT is not set
# CONFIG_USB_STORAGE_SDDR09 is not set
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
# CONFIG_USB_STORAGE_ALAUDA is not set
# CONFIG_USB_STORAGE_ONETOUCH is not set
# CONFIG_USB_STORAGE_KARMA is not set
# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
# CONFIG_USB_STORAGE_ENE_UB6250 is not set
# CONFIG_USB_UAS is not set
#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK is not set
# CONFIG_USBIP_CORE is not set
# CONFIG_USB_MUSB_HDRC is not set
# CONFIG_USB_DWC3 is not set
# CONFIG_USB_DWC2 is not set
# CONFIG_USB_CHIPIDEA is not set
# CONFIG_USB_ISP1760 is not set
#
# USB port drivers
#
# CONFIG_USB_USS720 is not set
# CONFIG_USB_SERIAL is not set
#
# USB Miscellaneous drivers
#
# CONFIG_USB_EMI62 is not set
# CONFIG_USB_EMI26 is not set
# CONFIG_USB_ADUTUX is not set
# CONFIG_USB_SEVSEG is not set
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
# CONFIG_USB_EHSET_TEST_FIXTURE is not set
# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_YUREX is not set
# CONFIG_USB_EZUSB_FX2 is not set
# CONFIG_USB_HUB_USB251XB is not set
# CONFIG_USB_HSIC_USB3503 is not set
# CONFIG_USB_HSIC_USB4604 is not set
# CONFIG_USB_LINK_LAYER_TEST is not set
# CONFIG_USB_CHAOSKEY is not set
#
# USB Physical Layer drivers
#
# CONFIG_USB_PHY is not set
# CONFIG_NOP_USB_XCEIV is not set
# CONFIG_USB_ISP1301 is not set
# CONFIG_USB_GADGET is not set
#
# USB Power Delivery and Type-C drivers
#
# CONFIG_USB_ULPI_BUS is not set
# CONFIG_UWB is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=m
# CONFIG_LEDS_CLASS_FLASH is not set
# CONFIG_LEDS_BRIGHTNESS_HW_CHANGED is not set
#
# LED drivers
#
# CONFIG_LEDS_BCM6328 is not set
# CONFIG_LEDS_BCM6358 is not set
# CONFIG_LEDS_LM3530 is not set
# CONFIG_LEDS_LM3642 is not set
# CONFIG_LEDS_PCA9532 is not set
# CONFIG_LEDS_LP3944 is not set
# CONFIG_LEDS_LP5521 is not set
# CONFIG_LEDS_LP5523 is not set
# CONFIG_LEDS_LP5562 is not set
# CONFIG_LEDS_LP8501 is not set
# CONFIG_LEDS_LP8860 is not set
# CONFIG_LEDS_PCA955X is not set
# CONFIG_LEDS_PCA963X is not set
# CONFIG_LEDS_BD2802 is not set
# CONFIG_LEDS_TCA6507 is not set
# CONFIG_LEDS_TLC591XX is not set
# CONFIG_LEDS_LM355x is not set
# CONFIG_LEDS_IS31FL319X is not set
# CONFIG_LEDS_IS31FL32XX is not set
#
# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)
#
# CONFIG_LEDS_BLINKM is not set
CONFIG_LEDS_POWERNV=m
# CONFIG_LEDS_USER is not set
#
# LED Triggers
#
# CONFIG_LEDS_TRIGGERS is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_INFINIBAND=m
CONFIG_INFINIBAND_USER_MAD=m
CONFIG_INFINIBAND_USER_ACCESS=m
CONFIG_INFINIBAND_USER_MEM=y
CONFIG_INFINIBAND_ON_DEMAND_PAGING=y
CONFIG_INFINIBAND_ADDR_TRANS=y
CONFIG_INFINIBAND_MTHCA=m
CONFIG_INFINIBAND_MTHCA_DEBUG=y
CONFIG_INFINIBAND_CXGB3=m
# CONFIG_INFINIBAND_CXGB3_DEBUG is not set
CONFIG_INFINIBAND_CXGB4=m
# CONFIG_INFINIBAND_I40IW is not set
CONFIG_MLX4_INFINIBAND=m
# CONFIG_INFINIBAND_NES is not set
# CONFIG_INFINIBAND_OCRDMA is not set
CONFIG_INFINIBAND_IPOIB=m
CONFIG_INFINIBAND_IPOIB_CM=y
CONFIG_INFINIBAND_IPOIB_DEBUG=y
# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set
CONFIG_INFINIBAND_SRP=m
CONFIG_INFINIBAND_ISER=m
# CONFIG_INFINIBAND_RDMAVT is not set
# CONFIG_RDMA_RXE is not set
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
# CONFIG_EDAC is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
CONFIG_RTC_SYSTOHC=y
CONFIG_RTC_SYSTOHC_DEVICE="rtc0"
# CONFIG_RTC_DEBUG is not set
#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
# CONFIG_RTC_DRV_TEST is not set
#
# I2C RTC drivers
#
# CONFIG_RTC_DRV_ABB5ZES3 is not set
# CONFIG_RTC_DRV_ABX80X is not set
# CONFIG_RTC_DRV_DS1307 is not set
# CONFIG_RTC_DRV_DS1374 is not set
# CONFIG_RTC_DRV_DS1672 is not set
# CONFIG_RTC_DRV_HYM8563 is not set
# CONFIG_RTC_DRV_MAX6900 is not set
# CONFIG_RTC_DRV_RS5C372 is not set
# CONFIG_RTC_DRV_ISL1208 is not set
# CONFIG_RTC_DRV_ISL12022 is not set
# CONFIG_RTC_DRV_X1205 is not set
# CONFIG_RTC_DRV_PCF8523 is not set
# CONFIG_RTC_DRV_PCF85063 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
# CONFIG_RTC_DRV_PCF8583 is not set
# CONFIG_RTC_DRV_M41T80 is not set
# CONFIG_RTC_DRV_BQ32K is not set
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
# CONFIG_RTC_DRV_RX8010 is not set
# CONFIG_RTC_DRV_RX8581 is not set
# CONFIG_RTC_DRV_RX8025 is not set
# CONFIG_RTC_DRV_EM3027 is not set
# CONFIG_RTC_DRV_RV8803 is not set
#
# SPI RTC drivers
#
CONFIG_RTC_I2C_AND_SPI=y
#
# SPI and I2C RTC drivers
#
# CONFIG_RTC_DRV_DS3232 is not set
# CONFIG_RTC_DRV_PCF2127 is not set
# CONFIG_RTC_DRV_RV3029C2 is not set
#
# Platform RTC drivers
#
# CONFIG_RTC_DRV_CMOS is not set
# CONFIG_RTC_DRV_DS1286 is not set
# CONFIG_RTC_DRV_DS1511 is not set
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1685_FAMILY is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_DS2404 is not set
# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
# CONFIG_RTC_DRV_M48T35 is not set
# CONFIG_RTC_DRV_M48T59 is not set
# CONFIG_RTC_DRV_MSM6242 is not set
# CONFIG_RTC_DRV_BQ4802 is not set
# CONFIG_RTC_DRV_RP5C01 is not set
# CONFIG_RTC_DRV_V3020 is not set
CONFIG_RTC_DRV_OPAL=y
# CONFIG_RTC_DRV_ZYNQMP is not set
#
# on-CPU RTC drivers
#
CONFIG_RTC_DRV_GENERIC=y
# CONFIG_RTC_DRV_SNVS is not set
# CONFIG_RTC_DRV_R7301 is not set
#
# HID Sensor RTC drivers
#
# CONFIG_RTC_DRV_HID_SENSOR_TIME is not set
# CONFIG_DMADEVICES is not set
#
# DMABUF options
#
# CONFIG_SYNC_FILE is not set
# CONFIG_AUXDISPLAY is not set
CONFIG_UIO=m
# CONFIG_UIO_CIF is not set
# CONFIG_UIO_PDRV_GENIRQ is not set
# CONFIG_UIO_DMEM_GENIRQ is not set
# CONFIG_UIO_AEC is not set
# CONFIG_UIO_SERCOS3 is not set
# CONFIG_UIO_PCI_GENERIC is not set
# CONFIG_UIO_NETX is not set
# CONFIG_UIO_PRUSS is not set
# CONFIG_UIO_MF624 is not set
CONFIG_IRQ_BYPASS_MANAGER=y
# CONFIG_VIRT_DRIVERS is not set
CONFIG_VIRTIO=m
#
# Virtio drivers
#
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_PCI_LEGACY=y
CONFIG_VIRTIO_BALLOON=m
# CONFIG_VIRTIO_INPUT is not set
# CONFIG_VIRTIO_MMIO is not set
#
# Microsoft Hyper-V guest support
#
# CONFIG_HYPERV_TSCPAGE is not set
# CONFIG_STAGING is not set
#
# Hardware Spinlock drivers
#
#
# Clock Source drivers
#
CONFIG_I8253_LOCK=y
CONFIG_CLKBLD_I8253=y
# CONFIG_ATMEL_PIT is not set
# CONFIG_SH_TIMER_CMT is not set
# CONFIG_SH_TIMER_MTU2 is not set
# CONFIG_SH_TIMER_TMU is not set
# CONFIG_EM_TIMER_STI is not set
# CONFIG_MAILBOX is not set
CONFIG_IOMMU_SUPPORT=y
#
# Generic IOMMU Pagetable Support
#
# CONFIG_SPAPR_TCE_IOMMU is not set
#
# Remoteproc drivers
#
# CONFIG_REMOTEPROC is not set
#
# Rpmsg drivers
#
#
# SOC (System On Chip) specific Drivers
#
#
# Broadcom SoC drivers
#
# CONFIG_SUNXI_SRAM is not set
# CONFIG_SOC_TI is not set
# CONFIG_SOC_ZTE is not set
# CONFIG_PM_DEVFREQ is not set
# CONFIG_EXTCON is not set
# CONFIG_MEMORY is not set
# CONFIG_IIO is not set
# CONFIG_NTB is not set
# CONFIG_VME_BUS is not set
# CONFIG_PWM is not set
CONFIG_IRQCHIP=y
CONFIG_ARM_GIC_MAX_NR=1
# CONFIG_IPACK_BUS is not set
# CONFIG_RESET_CONTROLLER is not set
# CONFIG_FMC is not set
#
# PHY Subsystem
#
# CONFIG_GENERIC_PHY is not set
# CONFIG_PHY_PXA_28NM_HSIC is not set
# CONFIG_PHY_PXA_28NM_USB2 is not set
# CONFIG_BCM_KONA_USB2_PHY is not set
# CONFIG_POWERCAP is not set
# CONFIG_MCB is not set
#
# Performance monitor support
#
# CONFIG_RAS is not set
#
# Android
#
# CONFIG_ANDROID is not set
# CONFIG_LIBNVDIMM is not set
# CONFIG_DEV_DAX is not set
# CONFIG_NVMEM is not set
# CONFIG_STM is not set
# CONFIG_INTEL_TH is not set
#
# FPGA Configuration Support
#
# CONFIG_FPGA is not set
#
# FSI support
#
# CONFIG_FSI is not set
# CONFIG_MULTIPLEXER is not set
# CONFIG_TEE is not set
#
# File systems
#
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_FS_IOMAP=y
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
# CONFIG_EXT3_FS is not set
CONFIG_EXT4_FS=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
# CONFIG_EXT4_ENCRYPTION is not set
# CONFIG_EXT4_DEBUG is not set
CONFIG_JBD2=y
# CONFIG_JBD2_DEBUG is not set
CONFIG_FS_MBCACHE=y
CONFIG_REISERFS_FS=m
# CONFIG_REISERFS_CHECK is not set
# CONFIG_REISERFS_PROC_INFO is not set
CONFIG_REISERFS_FS_XATTR=y
CONFIG_REISERFS_FS_POSIX_ACL=y
CONFIG_REISERFS_FS_SECURITY=y
CONFIG_JFS_FS=m
CONFIG_JFS_POSIX_ACL=y
CONFIG_JFS_SECURITY=y
# CONFIG_JFS_DEBUG is not set
# CONFIG_JFS_STATISTICS is not set
CONFIG_XFS_FS=m
# CONFIG_XFS_QUOTA is not set
CONFIG_XFS_POSIX_ACL=y
# CONFIG_XFS_RT is not set
# CONFIG_XFS_WARN is not set
# CONFIG_XFS_DEBUG is not set
# CONFIG_GFS2_FS is not set
CONFIG_BTRFS_FS=m
CONFIG_BTRFS_FS_POSIX_ACL=y
# CONFIG_BTRFS_FS_CHECK_INTEGRITY is not set
# CONFIG_BTRFS_FS_RUN_SANITY_TESTS is not set
# CONFIG_BTRFS_DEBUG is not set
# CONFIG_BTRFS_ASSERT is not set
CONFIG_NILFS2_FS=m
# CONFIG_F2FS_FS is not set
CONFIG_FS_DAX=y
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=y
# CONFIG_EXPORTFS_BLOCK_OPS is not set
CONFIG_FILE_LOCKING=y
CONFIG_MANDATORY_FILE_LOCKING=y
# CONFIG_FS_ENCRYPTION is not set
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_FANOTIFY is not set
# CONFIG_QUOTA is not set
# CONFIG_QUOTACTL is not set
CONFIG_AUTOFS4_FS=m
CONFIG_FUSE_FS=m
# CONFIG_CUSE is not set
CONFIG_OVERLAY_FS=m
# CONFIG_OVERLAY_FS_REDIRECT_DIR is not set
#
# Caches
#
# CONFIG_FSCACHE is not set
#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=m
# CONFIG_JOLIET is not set
# CONFIG_ZISOFS is not set
CONFIG_UDF_FS=m
CONFIG_UDF_NLS=y
#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=m
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_FAT_DEFAULT_UTF8 is not set
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_VMCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
# CONFIG_PROC_CHILDREN is not set
CONFIG_KERNFS=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_TMPFS_XATTR=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
# CONFIG_CONFIGFS_FS is not set
CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ORANGEFS_FS is not set
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_ECRYPT_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
CONFIG_SQUASHFS_FILE_CACHE=y
# CONFIG_SQUASHFS_FILE_DIRECT is not set
CONFIG_SQUASHFS_DECOMP_SINGLE=y
# CONFIG_SQUASHFS_DECOMP_MULTI is not set
# CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU is not set
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_ZLIB=y
# CONFIG_SQUASHFS_LZ4 is not set
CONFIG_SQUASHFS_LZO=y
CONFIG_SQUASHFS_XZ=y
# CONFIG_SQUASHFS_4K_DEVBLK_SIZE is not set
# CONFIG_SQUASHFS_EMBEDDED is not set
CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
# CONFIG_VXFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_OMFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_QNX6FS_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_PSTORE=y
CONFIG_PSTORE_ZLIB_COMPRESS=y
# CONFIG_PSTORE_LZO_COMPRESS is not set
# CONFIG_PSTORE_LZ4_COMPRESS is not set
# CONFIG_PSTORE_CONSOLE is not set
# CONFIG_PSTORE_PMSG is not set
# CONFIG_PSTORE_RAM is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V2=y
CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=y
# CONFIG_NFS_SWAP is not set
# CONFIG_NFS_V4_1 is not set
# CONFIG_NFS_USE_LEGACY_DNS is not set
CONFIG_NFS_USE_KERNEL_DNS=y
CONFIG_NFSD=m
CONFIG_NFSD_V2_ACL=y
CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
# CONFIG_NFSD_BLOCKLAYOUT is not set
# CONFIG_NFSD_SCSILAYOUT is not set
# CONFIG_NFSD_FLEXFILELAYOUT is not set
# CONFIG_NFSD_FAULT_INJECTION is not set
CONFIG_GRACE_PERIOD=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_NFS_ACL_SUPPORT=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_GSS=y
# CONFIG_SUNRPC_DEBUG is not set
CONFIG_SUNRPC_XPRT_RDMA=m
# CONFIG_CEPH_FS is not set
CONFIG_CIFS=m
# CONFIG_CIFS_STATS is not set
# CONFIG_CIFS_WEAK_PW_HASH is not set
# CONFIG_CIFS_UPCALL is not set
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
# CONFIG_CIFS_ACL is not set
CONFIG_CIFS_DEBUG=y
# CONFIG_CIFS_DEBUG2 is not set
# CONFIG_CIFS_DFS_UPCALL is not set
# CONFIG_CIFS_SMB2 is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_MAC_ROMAN is not set
# CONFIG_NLS_MAC_CELTIC is not set
# CONFIG_NLS_MAC_CENTEURO is not set
# CONFIG_NLS_MAC_CROATIAN is not set
# CONFIG_NLS_MAC_CYRILLIC is not set
# CONFIG_NLS_MAC_GAELIC is not set
# CONFIG_NLS_MAC_GREEK is not set
# CONFIG_NLS_MAC_ICELAND is not set
# CONFIG_NLS_MAC_INUIT is not set
# CONFIG_NLS_MAC_ROMANIAN is not set
# CONFIG_NLS_MAC_TURKISH is not set
CONFIG_NLS_UTF8=y
CONFIG_BINARY_PRINTF=y
#
# Library routines
#
CONFIG_RAID6_PQ=m
CONFIG_BITREVERSE=y
# CONFIG_HAVE_ARCH_BITREVERSE is not set
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_NET_UTILS=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_IO=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_HAS_FAST_MULTIPLIER=y
CONFIG_CRC_CCITT=m
CONFIG_CRC16=y
CONFIG_CRC_T10DIF=m
CONFIG_CRC_ITU_T=m
CONFIG_CRC32=y
# CONFIG_CRC32_SELFTEST is not set
CONFIG_CRC32_SLICEBY8=y
# CONFIG_CRC32_SLICEBY4 is not set
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
# CONFIG_CRC7 is not set
CONFIG_LIBCRC32C=m
# CONFIG_CRC8 is not set
# CONFIG_AUDIT_ARCH_COMPAT_GENERIC is not set
# CONFIG_RANDOM32_SELFTEST is not set
CONFIG_842_DECOMPRESS=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_LZ4_DECOMPRESS=y
CONFIG_XZ_DEC=y
CONFIG_XZ_DEC_X86=y
CONFIG_XZ_DEC_POWERPC=y
CONFIG_XZ_DEC_IA64=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_ARMTHUMB=y
CONFIG_XZ_DEC_SPARC=y
CONFIG_XZ_DEC_BCJ=y
# CONFIG_XZ_DEC_TEST is not set
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_DECOMPRESS_LZ4=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_BTREE=y
CONFIG_RADIX_TREE_MULTIORDER=y
CONFIG_ASSOCIATIVE_ARRAY=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HAS_DMA=y
# CONFIG_DMA_NOOP_OPS is not set
# CONFIG_DMA_VIRT_OPS is not set
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_GLOB=y
# CONFIG_GLOB_SELFTEST is not set
CONFIG_NLATTR=y
# CONFIG_CORDIC is not set
# CONFIG_DDR is not set
CONFIG_IRQ_POLL=y
CONFIG_LIBFDT=y
CONFIG_OID_REGISTRY=y
CONFIG_FONT_SUPPORT=y
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
# CONFIG_SG_SPLIT is not set
CONFIG_SG_POOL=y
CONFIG_ARCH_HAS_SG_CHAIN=y
CONFIG_SBITMAP=y
#
# Kernel hacking
#
#
# printk and dmesg options
#
CONFIG_PRINTK_TIME=y
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
# CONFIG_DYNAMIC_DEBUG is not set
#
# Compile-time checks and compiler options
#
# CONFIG_DEBUG_INFO is not set
CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FRAME_WARN=2048
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_READABLE_ASM is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_PAGE_OWNER is not set
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
# CONFIG_DEBUG_SECTION_MISMATCH is not set
CONFIG_SECTION_MISMATCH_WARN_ONLY=y
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
CONFIG_MAGIC_SYSRQ=y
CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1
CONFIG_MAGIC_SYSRQ_SERIAL=y
CONFIG_DEBUG_KERNEL=y
#
# Memory Debugging
#
# CONFIG_PAGE_EXTENSION is not set
# CONFIG_DEBUG_PAGEALLOC is not set
# CONFIG_PAGE_POISONING is not set
# CONFIG_DEBUG_PAGE_REF is not set
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_SLUB_STATS is not set
CONFIG_HAVE_DEBUG_KMEMLEAK=y
# CONFIG_DEBUG_KMEMLEAK is not set
CONFIG_DEBUG_STACK_USAGE=y
# CONFIG_DEBUG_VM is not set
CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_PER_CPU_MAPS is not set
CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_STACKOVERFLOW=y
# CONFIG_DEBUG_SHIRQ is not set
#
# Debug Lockups and Hangs
#
CONFIG_LOCKUP_DETECTOR=y
CONFIG_HARDLOCKUP_DETECTOR=y
# CONFIG_BOOTPARAM_HARDLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
# CONFIG_WQ_WATCHDOG is not set
# CONFIG_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
CONFIG_SCHED_DEBUG=y
CONFIG_SCHED_INFO=y
CONFIG_SCHEDSTATS=y
# CONFIG_SCHED_STACK_END_CHECK is not set
# CONFIG_DEBUG_TIMEKEEPING is not set
#
# Lock Debugging (spinlocks, mutexes, etc...)
#
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
# CONFIG_LOCK_STAT is not set
# CONFIG_DEBUG_ATOMIC_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
# CONFIG_WW_MUTEX_SELFTEST is not set
CONFIG_STACKTRACE=y
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_PI_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_DEBUG_CREDENTIALS is not set
#
# RCU Debugging
#
# CONFIG_PROVE_RCU is not set
# CONFIG_SPARSE_RCU_POINTER is not set
CONFIG_TORTURE_TEST=m
# CONFIG_RCU_PERF_TEST is not set
CONFIG_RCU_TORTURE_TEST=m
# CONFIG_RCU_TORTURE_TEST_SLOW_PREINIT is not set
# CONFIG_RCU_TORTURE_TEST_SLOW_INIT is not set
# CONFIG_RCU_TORTURE_TEST_SLOW_CLEANUP is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=21
# CONFIG_RCU_TRACE is not set
# CONFIG_RCU_EQS_DEBUG is not set
# CONFIG_DEBUG_WQ_FORCE_RR_CPU is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_CPU_HOTPLUG_STATE_CONTROL is not set
# CONFIG_NOTIFIER_ERROR_INJECTION is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_LATENCYTOP=y
CONFIG_NOP_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_TRACER_MAX_TRACE=y
CONFIG_TRACE_CLOCK=y
CONFIG_RING_BUFFER=y
CONFIG_EVENT_TRACING=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_RING_BUFFER_ALLOW_SWAP=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
CONFIG_SCHED_TRACER=y
# CONFIG_HWLAT_TRACER is not set
# CONFIG_FTRACE_SYSCALLS is not set
CONFIG_TRACER_SNAPSHOT=y
# CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP is not set
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
# CONFIG_PROFILE_ALL_BRANCHES is not set
# CONFIG_STACK_TRACER is not set
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_KPROBE_EVENTS=y
CONFIG_UPROBE_EVENTS=y
CONFIG_PROBE_EVENTS=y
# CONFIG_FTRACE_STARTUP_TEST is not set
# CONFIG_HIST_TRIGGERS is not set
# CONFIG_TRACEPOINT_BENCHMARK is not set
# CONFIG_RING_BUFFER_BENCHMARK is not set
# CONFIG_RING_BUFFER_STARTUP_TEST is not set
# CONFIG_TRACE_ENUM_MAP_FILE is not set
#
# Runtime Testing
#
# CONFIG_LKDTM is not set
# CONFIG_TEST_LIST_SORT is not set
# CONFIG_TEST_SORT is not set
# CONFIG_KPROBES_SANITY_TEST is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_RBTREE_TEST is not set
# CONFIG_INTERVAL_TREE_TEST is not set
# CONFIG_PERCPU_TEST is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_ASYNC_RAID6_TEST is not set
# CONFIG_TEST_HEXDUMP is not set
# CONFIG_TEST_STRING_HELPERS is not set
# CONFIG_TEST_KSTRTOX is not set
# CONFIG_TEST_PRINTF is not set
# CONFIG_TEST_BITMAP is not set
# CONFIG_TEST_UUID is not set
# CONFIG_TEST_RHASHTABLE is not set
# CONFIG_TEST_HASH is not set
# CONFIG_DMA_API_DEBUG is not set
# CONFIG_TEST_LKM is not set
# CONFIG_TEST_USER_COPY is not set
# CONFIG_TEST_BPF is not set
# CONFIG_TEST_FIRMWARE is not set
# CONFIG_TEST_UDELAY is not set
# CONFIG_MEMTEST is not set
# CONFIG_TEST_STATIC_KEYS is not set
# CONFIG_BUG_ON_DATA_CORRUPTION is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y
# CONFIG_ARCH_WANTS_UBSAN_NO_NULL is not set
# CONFIG_UBSAN is not set
CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
CONFIG_STRICT_DEVMEM=y
# CONFIG_IO_STRICT_DEVMEM is not set
# CONFIG_PPC_DISABLE_WERROR is not set
CONFIG_PPC_WERROR=y
CONFIG_PRINT_STACK_DEPTH=64
# CONFIG_HCALL_STATS is not set
# CONFIG_PPC_EMULATED_STATS is not set
CONFIG_CODE_PATCHING_SELFTEST=y
CONFIG_JUMP_LABEL_FEATURE_CHECKS=y
# CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG is not set
CONFIG_FTR_FIXUP_SELFTEST=y
CONFIG_MSI_BITMAP_SELFTEST=y
CONFIG_XMON=y
# CONFIG_XMON_DEFAULT is not set
CONFIG_XMON_DISASSEMBLY=y
CONFIG_DEBUGGER=y
# CONFIG_BOOTX_TEXT is not set
# CONFIG_PPC_EARLY_DEBUG is not set
# CONFIG_PPC_PTDUMP is not set
#
# Security options
#
CONFIG_KEYS=y
# CONFIG_PERSISTENT_KEYRINGS is not set
# CONFIG_ENCRYPTED_KEYS is not set
# CONFIG_KEY_DH_OPERATIONS is not set
# CONFIG_SECURITY_DMESG_RESTRICT is not set
# CONFIG_SECURITY is not set
# CONFIG_SECURITYFS is not set
CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
CONFIG_HAVE_ARCH_HARDENED_USERCOPY=y
# CONFIG_STATIC_USERMODEHELPER is not set
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_DEFAULT_SECURITY=""
CONFIG_KEYS_COMPAT=y
CONFIG_XOR_BLOCKS=m
CONFIG_ASYNC_CORE=m
CONFIG_ASYNC_MEMCPY=m
CONFIG_ASYNC_XOR=m
CONFIG_ASYNC_PQ=m
CONFIG_ASYNC_RAID6_RECOV=m
CONFIG_CRYPTO=y
#
# Crypto core or helper
#
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=m
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_BLKCIPHER=m
CONFIG_CRYPTO_BLKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=m
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_RNG_DEFAULT=m
CONFIG_CRYPTO_AKCIPHER2=y
CONFIG_CRYPTO_KPP2=y
CONFIG_CRYPTO_ACOMP2=y
# CONFIG_CRYPTO_RSA is not set
# CONFIG_CRYPTO_DH is not set
# CONFIG_CRYPTO_ECDH is not set
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
# CONFIG_CRYPTO_USER is not set
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
CONFIG_CRYPTO_GF128MUL=m
CONFIG_CRYPTO_NULL=m
CONFIG_CRYPTO_NULL2=y
# CONFIG_CRYPTO_PCRYPT is not set
CONFIG_CRYPTO_WORKQUEUE=y
# CONFIG_CRYPTO_CRYPTD is not set
# CONFIG_CRYPTO_MCRYPTD is not set
CONFIG_CRYPTO_AUTHENC=m
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_ENGINE=m
#
# Authenticated Encryption with Associated Data
#
# CONFIG_CRYPTO_CCM is not set
# CONFIG_CRYPTO_GCM is not set
# CONFIG_CRYPTO_CHACHA20POLY1305 is not set
# CONFIG_CRYPTO_SEQIV is not set
CONFIG_CRYPTO_ECHAINIV=m
#
# Block modes
#
CONFIG_CRYPTO_CBC=m
# CONFIG_CRYPTO_CTR is not set
# CONFIG_CRYPTO_CTS is not set
CONFIG_CRYPTO_ECB=m
# CONFIG_CRYPTO_LRW is not set
CONFIG_CRYPTO_PCBC=m
# CONFIG_CRYPTO_XTS is not set
# CONFIG_CRYPTO_KEYWRAP is not set
#
# Hash modes
#
CONFIG_CRYPTO_CMAC=m
CONFIG_CRYPTO_HMAC=y
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_VMAC is not set
#
# Digest
#
CONFIG_CRYPTO_CRC32C=y
# CONFIG_CRYPTO_CRC32C_VPMSUM is not set
# CONFIG_CRYPTO_CRC32 is not set
CONFIG_CRYPTO_CRCT10DIF=m
# CONFIG_CRYPTO_CRCT10DIF_VPMSUM is not set
CONFIG_CRYPTO_GHASH=m
# CONFIG_CRYPTO_POLY1305 is not set
CONFIG_CRYPTO_MD4=m
CONFIG_CRYPTO_MD5=m
# CONFIG_CRYPTO_MD5_PPC is not set
CONFIG_CRYPTO_MICHAEL_MIC=m
# CONFIG_CRYPTO_RMD128 is not set
# CONFIG_CRYPTO_RMD160 is not set
# CONFIG_CRYPTO_RMD256 is not set
# CONFIG_CRYPTO_RMD320 is not set
CONFIG_CRYPTO_SHA1=m
# CONFIG_CRYPTO_SHA1_PPC is not set
CONFIG_CRYPTO_SHA256=m
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_SHA3 is not set
CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
#
# Ciphers
#
CONFIG_CRYPTO_AES=y
# CONFIG_CRYPTO_AES_TI is not set
CONFIG_CRYPTO_ANUBIS=m
CONFIG_CRYPTO_ARC4=m
CONFIG_CRYPTO_BLOWFISH=m
CONFIG_CRYPTO_BLOWFISH_COMMON=m
# CONFIG_CRYPTO_CAMELLIA is not set
CONFIG_CRYPTO_CAST_COMMON=m
# CONFIG_CRYPTO_CAST5 is not set
CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_DES=m
# CONFIG_CRYPTO_FCRYPT is not set
CONFIG_CRYPTO_KHAZAD=m
CONFIG_CRYPTO_SALSA20=m
# CONFIG_CRYPTO_CHACHA20 is not set
# CONFIG_CRYPTO_SEED is not set
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_TWOFISH_COMMON=m
#
# Compression
#
CONFIG_CRYPTO_DEFLATE=m
CONFIG_CRYPTO_LZO=m
# CONFIG_CRYPTO_842 is not set
# CONFIG_CRYPTO_LZ4 is not set
# CONFIG_CRYPTO_LZ4HC is not set
#
# Random Number Generation
#
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DRBG_MENU=m
CONFIG_CRYPTO_DRBG_HMAC=y
# CONFIG_CRYPTO_DRBG_HASH is not set
CONFIG_CRYPTO_DRBG=m
CONFIG_CRYPTO_JITTERENTROPY=m
# CONFIG_CRYPTO_USER_API_HASH is not set
# CONFIG_CRYPTO_USER_API_SKCIPHER is not set
# CONFIG_CRYPTO_USER_API_RNG is not set
# CONFIG_CRYPTO_USER_API_AEAD is not set
CONFIG_CRYPTO_HW=y
# CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC is not set
CONFIG_CRYPTO_DEV_NX=y
CONFIG_CRYPTO_DEV_NX_COMPRESS=y
CONFIG_CRYPTO_DEV_NX_COMPRESS_PSERIES=y
CONFIG_CRYPTO_DEV_NX_COMPRESS_POWERNV=y
CONFIG_CRYPTO_DEV_VMX=y
CONFIG_CRYPTO_DEV_VMX_ENCRYPT=m
# CONFIG_CRYPTO_DEV_CHELSIO is not set
CONFIG_CRYPTO_DEV_VIRTIO=m
# CONFIG_ASYMMETRIC_KEY_TYPE is not set
#
# Certificates for signature checking
#
# CONFIG_SYSTEM_BLACKLIST_KEYRING is not set
CONFIG_HAVE_KVM_IRQCHIP=y
CONFIG_HAVE_KVM_IRQFD=y
CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_VFIO=y
CONFIG_KVM_COMPAT=y
CONFIG_HAVE_KVM_IRQ_BYPASS=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=y
CONFIG_KVM_BOOK3S_HANDLER=y
CONFIG_KVM_BOOK3S_64_HANDLER=y
CONFIG_KVM_BOOK3S_HV_POSSIBLE=y
CONFIG_KVM_BOOK3S_64=m
CONFIG_KVM_BOOK3S_64_HV=m
# CONFIG_KVM_BOOK3S_64_PR is not set
# CONFIG_KVM_BOOK3S_HV_EXIT_TIMING is not set
CONFIG_KVM_XICS=y
CONFIG_VHOST_NET=m
CONFIG_VHOST=m
# CONFIG_VHOST_CROSS_ENDIAN_LEGACY is not set
^ permalink raw reply
* Re: [next-20180517][ppc] watchdog: CPU 88 self-detected hard LOCKUP @ update_cfs_group+0x30/0x150
From: Nicholas Piggin @ 2018-05-21 6:50 UTC (permalink / raw)
To: Abdul Haleem
Cc: linuxppc-dev, linux-next, Stephen Rothwell, mpe, sachinp,
linux-kernel
In-Reply-To: <1526883300.19317.18.camel@abdul>
Ah, it's POWER8.
I'm betting we have a bug with nohz timer offloading somewhere.
I *think* we may have seen similar on P9 as well, but that may be
related to problems with stop states.
Can you reproduce it easily? I'm thinking maybe adding some
tracepoints that track decrementer settings and interrupts, and
nohz offload activity might show something up.
Thanks,
Nick
On Mon, 21 May 2018 11:45:00 +0530
Abdul Haleem <abdhalee@linux.vnet.ibm.com> wrote:
> Greeting's
>
> Offlate we are seeing hard hard lockup trace messages on our powerpc
> bare-metal machine for both linux-next and mainline kernel
>
> Machine Type: Power 8 Bare-metal (minsky)
> kernel: 4.17.0-rc5-next-20180517
> gcc: 4.8.5
> config: attached
> test: the exact scenario which is triggering these traces is not known
>
> trace logs:
> -----------
> Watchdog: CPU 88 TB:20328455213119, last heartbeat TB:20323303945487 (10061ms ago)
> Modules linked in: btrfs xor zstd_decompress zstd_compress xxhash
> lzo_compress raid6_pq dm_snapshot dm_bufio nvme bnx2x iptable_mangle
> ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat
> nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
> nf_reject_ipv4 xt_tcpudp tun bridge stp llc iptable_filter dm_mirror
> dm_region_hash dm_log dm_service_time vmx_crypto powernv_rng rng_core
> dm_multipath kvm_hv kvm binfmt_misc nfsd ip_tables x_tables autofs4 xfs
> lpfc crc_t10dif crct10dif_generic nvme_fc nvme_fabrics mdio libcrc32c
> nvme_core crct10dif_common [last unloaded: nvme]
> CPU: 88 PID: 0 Comm: swapper/88 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
> NIP: c000000000131a80 LR: c0000000001376b8 CTR: c0000000008284c0
> REGS: c000003fff42fd80 TRAP: 0900 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
> MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 22042044 XER: 20000000
> CFAR: c0000000001376b4 SOFTE: 1
> GPR00: c000000000137b64 c000003ca93236a0 c000000001086c00 c000003c907bdc00
> GPR04: c000003c907bdc00 c000003ffbf23a68 0000000000000000 c000001f4f540400
> GPR08: 0000000000100000 c000003c907bde00 0000000000000400 c000003c907bde30
> GPR12: c0000000008284c0 c000003fff74f880 c0000000008284c0 c000003ffbf260b8
> GPR16: c000003ffbf27580 0000000000000001 0000000000000000 000000000000ba7e
> GPR20: 000000000000ba7e 0000000000000001 c000001f4ac55900 c000003ffbf27580
> GPR24: afb504000afb5041 0000000000000001 0000000000000000 0000000000000001
> GPR28: 0000000000000001 0000000000000000 c000003ffbf27600 c000003c907bdc00
> NIP [c000000000131a80] update_cfs_group+0x30/0x150
> LR [c0000000001376b8] enqueue_task_fair+0x3c8/0x1390
> Call Trace:
> [c000003ca93236a0] [c000000000137b64] enqueue_task_fair+0x874/0x1390 (unreliable)
> [c000003ca9323790] [c000000000128870] activate_task+0x80/0x120
> [c000003ca9323810] [c000000000128db8] ttwu_do_activate+0x68/0xc0
> [c000003ca9323850] [c00000000012a208] try_to_wake_up+0x238/0x5c0
> [c000003ca93238d0] [c0000000001853b0] hrtimer_wakeup+0x30/0x60
> [c000003ca93238f0] [c000000000185094] __hrtimer_run_queues+0x124/0x350
> [c000003ca9323970] [c000000000185e3c] hrtimer_interrupt+0x11c/0x2f0
> [c000003ca9323a20] [c000000000023290] __timer_interrupt+0x90/0x270
> [c000003ca9323a70] [c000000000023900] timer_interrupt+0xa0/0xe0
> [c000003ca9323aa0] [c000000000009348] decrementer_common+0x158/0x160
> --- interrupt: 901 at replay_interrupt_return+0x0/0x4
> LR = arch_local_irq_restore+0x74/0x90
> [c000003ca9323d90] [c00000000019a92c] tick_nohz_idle_stop_tick+0x17c/0x360 (unreliable)
> [c000003ca9323db0] [c00000000082b668] cpuidle_enter_state+0x108/0x3c0
> [c000003ca9323e10] [c000000000130104] call_cpuidle+0x44/0x80
> [c000003ca9323e30] [c000000000130698] do_idle+0x2f8/0x3a0
> [c000003ca9323ec0] [c000000000130914] cpu_startup_entry+0x34/0x40
> [c000003ca9323ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
> [c000003ca9323f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
> Instruction dump:
> 3c4c00f5 384251b0 e9230160 7c641b78 2fa90000 4d9e0020 e9490000 e8c900a0
> e8e901d0 794ab282 e9070100 7faa3040 <419c0100> e8c70180 e8e90180 7ca851d2
>
> kernel:watchdog: CPU 88 self-detected hard LOCKUP @ update_cfs_group+0x30/0x150
>
> kernel:watchdog: CPU 88 TB:20328455213119, last heartbeat TB:20323303945487 (10061ms ago)
>
> watchdog: CPU 88 became unstuck TB:20328505869807
> CPU: 88 PID: 0 Comm: swapper/88 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
> NIP: c00000000000aeec LR: c000000000016644 CTR: c000000000022be0
> REGS: c000003ca9323b10 TRAP: 0901 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
> MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 42004084 XER: 00000000
> CFAR: c000000000185fe4 SOFTE: 0
> GPR00: c00000000082b668 c000003ca9323d90 c000000001086c00 0000000000000900
> GPR04: b000000000001033 c000000000093f80 0000000000000001 0000000000000008
> GPR08: 0000000000000000 c000000000d86c84 0000000000000000 c000003ffbf27630
> GPR12: c000000000022be0 c000003fff74f880
> NIP [c00000000000aeec] replay_interrupt_return+0x0/0x4
> LR [c000000000016644] arch_local_irq_restore+0x74/0x90
> Call Trace:
> [c000003ca9323d90] [c00000000019a92c] tick_nohz_idle_stop_tick+0x17c/0x360 (unreliable)
> [c000003ca9323db0] [c00000000082b668] cpuidle_enter_state+0x108/0x3c0
> [c000003ca9323e10] [c000000000130104] call_cpuidle+0x44/0x80
> [c000003ca9323e30] [c000000000130698] do_idle+0x2f8/0x3a0
> [c000003ca9323ec0] [c000000000130910] cpu_startup_entry+0x30/0x40
> [c000003ca9323ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
> [c000003ca9323f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
> Instruction dump:
> 7d200026 618c8000 2c030900 4182e328 2c030500 4182dd40 2c030f00 4182f1e8
> 2c030a00 4182ff9c 2c030e60 4182edb8 <4e800020> 7c781b78 48000395 480003ad
>
> kernel:watchdog: CPU 88 became unstuck TB:20328505869807
>
> watchdog: CPU 96 self-detected hard LOCKUP @ tick_nohz_next_event+0x38/0x200
> watchdog: CPU 96 TB:23470018682939, last heartbeat TB:23464816758804 (10160ms ago)
> Modules linked in: btrfs xor zstd_decompress zstd_compress xxhash
> lzo_compress raid6_pq dm_snapshot dm_bufio nvme bnx2x iptable_mangle
> ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat
> nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
> nf_reject_ipv4 xt_tcpudp tun bridge stp llc iptable_filter dm_mirror
> dm_region_hash dm_log dm_service_time vmx_crypto powernv_rng rng_core
> dm_multipath kvm_hv kvm binfmt_misc nfsd ip_tables x_tables autofs4 xfs
> lpfc crc_t10dif crct10dif_generic nvme_fc nvme_fabrics mdio libcrc32c
> nvme_core crct10dif_common [last unloaded: nvme]
> CPU: 96 PID: 0 Comm: swapper/96 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
> NIP: c000000000199df8 LR: c00000000019ad3c CTR: c00000000082d5a0
> REGS: c000003fff3cfd80 TRAP: 0900 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
> MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 22004084 XER: 00000000
> CFAR: c00000000019ad38 SOFTE: 1
> GPR00: c00000000019ad3c c000003ca9343d50 c000000001086c00 c000003ffc113880
> GPR04: 0000000000000060 0000000000000000 0000003ffb3a0000 c000000001196c00
> GPR08: c0000000010b3b00 c000000000d86c80 c0000000010b3b80 c000003ffc127630
> GPR12: c00000000082d5a0 c000003fff748f80 c000003ca9343f90 c0000000012f6020
> GPR16: c000003ffcc08cb0 c0000000000410b0 c0000000000410b0 c000000000d65260
> GPR20: 0000000000000001 c000000000fcf820 c000003ca9340000 c000003ca9340080
> GPR24: c000000000d862e8 0000000077359400 c000003ffc1260d8 c000000000fcf820
> GPR28: 0000000000000060 0000000000000060 c000003ffc113880 c000003ffc113880
> NIP [c000000000199df8] tick_nohz_next_event+0x38/0x200
> LR [c00000000019ad3c] tick_nohz_get_sleep_length+0xac/0x100
> Call Trace:
> [c000003ca9343d50] [c00000000019ad04] tick_nohz_get_sleep_length+0x74/0x100 (unreliable)
> [c000003ca9343d90] [c00000000082d668] menu_select+0xc8/0x7f0
> [c000003ca9343e10] [c00000000082b950] cpuidle_select+0x30/0x50
> [c000003ca9343e30] [c000000000130664] do_idle+0x2c4/0x3a0
> [c000003ca9343ec0] [c000000000130914] cpu_startup_entry+0x34/0x40
> [c000003ca9343ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
> [c000003ca9343f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
> Instruction dump:
> 7c0802a6 fb81ffe0 fbc1fff0 3ce20011 fba1ffe8 fbe1fff8 7c7e1b78 7c9c2378
> 3d420003 394acf80 3d020003 3908cf00 <38e7ff08> f8010010 f821ffb1 812a0000
> watchdog: CPU 96 became unstuck TB:23470021067039
> CPU: 96 PID: 0 Comm: swapper/96 Not tainted 4.17.0-rc5-next-20180517-autotest-autotest #1
> NIP: c00000000000aeec LR: c000000000016644 CTR: c00000000082d5a0
> REGS: c000003ca9343ad0 TRAP: 0901 Not tainted (4.17.0-rc5-next-20180517-autotest-autotest)
> MSR: 9000000000009033 <SF,HV,EE,ME,IR,DR,RI,LE> CR: 42004024 XER: 20000000
> CFAR: c00000000000c1bc SOFTE: 0
> GPR00: c00000000082e4e8 c000003ca9343d50 c000000001086c00 0000000000000900
> GPR04: c000000000fcf820 0000000000000000 0000000000000001 0000000000000808
> GPR08: 0000000000000000 c000000000d86c80 c0000000010b3b80 c000003ffc127630
> GPR12: c00000000082d5a0 c000003fff748f80
>
> NIP [c00000000000aeec] replay_interrupt_return+0x0/0x4
> LR [c000000000016644] arch_local_irq_restore+0x74/0x90
> Call Trace:
> [c000003ca9343d50] [c00000000019ad4c] tick_nohz_get_sleep_length+0xbc/0x100 (unreliable)
> [c000003ca9343d70] [c00000000082e4e8] snooze_loop+0x48/0x190
> [c000003ca9343db0] [c00000000082b618] cpuidle_enter_state+0xb8/0x3c0
> [c000003ca9343e10] [c000000000130104] call_cpuidle+0x44/0x80
> [c000003ca9343e30] [c000000000130698] do_idle+0x2f8/0x3a0
> ...
> [c000003ca9343ec0] [c000000000130914] cpu_startup_entry+0x34/0x40
>
> [c000003ca9343ef0] [c0000000000432a4] start_secondary+0x4d4/0x520
> kernel:watchdog[44665.478148] [c000003ca9343f90] [c00000000000b270] start_secondary_prolog+0x10/0x14
> Instruction dump: CPU 96 self-det
> 7d200026 618c8000 2c030900 4182e328 2c030500 4182dd40 2c030f00 4182f1e8
> ted hard LOCKUP[44665.478356] 2c030a00 4182ff9c 2c030e60 4182edb8 <4e800020> 7c781b78 48000395 480003ad
> @ tick_nohz_next_event+0x38/0x200
>
> kernel:watchdog: CPU 96 TB:23470018682939, last heartbeat TB:23464816758804 (10160ms ago
>
^ permalink raw reply
* Re: Failure to allocate HTAB for guest - CMA allocation failures?
From: Balbir Singh @ 2018-05-21 6:53 UTC (permalink / raw)
To: Daniel Axtens; +Cc: linuxppc-dev
In-Reply-To: <87zi0ye2n8.fsf@linkitivity.dja.id.au>
On Fri, 18 May 2018 01:13:31 +1000
Daniel Axtens <dja@axtens.net> wrote:
> I noticed from [1] that there is a patch from Balbir that apparently
> helps when VFIO is used - 2e5bbb5461f1 ("KVM: PPC: Book3S HV: Migrate
> pinned pages out of CMA"). The user is running a 4.4 kernel with this
> backported.
Hmm.. there are two possible scenarios
1. We got movable allocations in the CMA region, these should be migrated
out on their own
2. We've got pinned allocations in the CMA region and hence movable won't
work with them. We do have trace events for cma_alloc/cma_release if you
want to look them.
Your right in that we'll try to allocate 128 MB from
the CMA region (based on the 1/128th calculation that I remember). If we
can figure out what's allocated memory in the CMA region we can debug
this further. Do the sum of HPT allocations add up to the used CMA memory?
Balbir Singh.
^ permalink raw reply
* [PATCH] powerpc/xmon: Update paca fields dumped in xmon
From: Michael Ellerman @ 2018-05-21 9:47 UTC (permalink / raw)
To: linuxppc-dev
The set of paca fields we dump in xmon has gotten somewhat out of
date. Update to add some recently added fields.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
arch/powerpc/xmon/xmon.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 94cc8ba36c14..a2cbf0caa1f7 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2425,6 +2425,16 @@ static void dump_one_paca(int cpu)
DUMP(p, thread_idle_state, "x");
DUMP(p, thread_mask, "x");
DUMP(p, subcore_sibling_mask, "x");
+ DUMP(p, thread_sibling_pacas, "px");
+ DUMP(p, requested_psscr, "llx");
+ DUMP(p, stop_sprs.pid, "llx");
+ DUMP(p, stop_sprs.ldbar, "llx");
+ DUMP(p, stop_sprs.fscr, "llx");
+ DUMP(p, stop_sprs.hfscr, "llx");
+ DUMP(p, stop_sprs.mmcr1, "llx");
+ DUMP(p, stop_sprs.mmcr2, "llx");
+ DUMP(p, stop_sprs.mmcra, "llx");
+ DUMP(p, dont_stop, "x");
#endif
DUMP(p, accounting.utime, "llx");
--
2.14.1
^ permalink raw reply related
* Re: powepc: Clear PCR on boot
From: Michael Ellerman @ 2018-05-21 9:55 UTC (permalink / raw)
To: Michael Neuling; +Cc: mikey, sam, linuxppc-dev
In-Reply-To: <20180518013742.24095-1-mikey@neuling.org>
On Fri, 2018-05-18 at 01:37:42 UTC, Michael Neuling wrote:
> Clear the PCR on boot to ensure we are not running in a compat mode.
>
> We've seen this cause problems when a crash (and kdump) occurs while
> running compat mode guests. The kdump kernel then runs with the PCR
> set and causes problems. The symptom in the kdump kernel (also seen in
> petitboot after fast-reboot) is early userspace programs taking
> sigills on newer instructions (seen in libc).
>
> Signed-off-by: Michael Neuling <mikey@neuling.org>
> Cc: <stable@vger.kernel.org>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/faf37c44a105f3608115785f17cbbf
cheers
^ permalink raw reply
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