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From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev, kvm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	Eric Auger <eric.auger@redhat.com>,
	Mark Brown <broonie@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Will Deacon <will@kernel.org>,
	Alexandru Elisei <alexandru.elisei@arm.com>,
	Andre Przywara <andre.przywara@arm.com>,
	Chase Conklin <chase.conklin@arm.com>,
	Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>,
	Darren Hart <darren@os.amperecomputing.com>,
	Miguel Luis <miguel.luis@oracle.com>,
	James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Oliver Upton <oliver.upton@linux.dev>,
	Zenghui Yu <yuzenghui@huawei.com>
Subject: [PATCH v3 27/27] KVM: arm64: nv: Add support for HCRX_EL2
Date: Tue,  8 Aug 2023 12:47:11 +0100	[thread overview]
Message-ID: <20230808114711.2013842-28-maz@kernel.org> (raw)
In-Reply-To: <20230808114711.2013842-1-maz@kernel.org>

HCRX_EL2 has an interesting effect on HFGITR_EL2, as it conditions
the traps of TLBI*nXS.

Expand the FGT support to add a new Fine Grained Filter that will
get checked when the instruction gets trapped, allowing the shadow
register to override the trap as needed.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/include/asm/kvm_arm.h        |  5 ++
 arch/arm64/include/asm/kvm_host.h       |  1 +
 arch/arm64/kvm/emulate-nested.c         | 94 ++++++++++++++++---------
 arch/arm64/kvm/hyp/include/hyp/switch.h | 15 +++-
 arch/arm64/kvm/nested.c                 |  3 +-
 arch/arm64/kvm/sys_regs.c               |  2 +
 6 files changed, 83 insertions(+), 37 deletions(-)

diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index d229f238c3b6..137f732789c9 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -369,6 +369,11 @@
 #define __HDFGWTR_EL2_MASK	~__HDFGWTR_EL2_nMASK
 #define __HDFGWTR_EL2_nMASK	GENMASK(62, 60)
 
+/* Similar definitions for HCRX_EL2 */
+#define __HCRX_EL2_RES0		(GENMASK(63, 16) | GENMASK(13, 12))
+#define __HCRX_EL2_MASK		(0)
+#define __HCRX_EL2_nMASK	(GENMASK(15, 14) | GENMASK(4, 0))
+
 /* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */
 #define HPFAR_MASK	(~UL(0xf))
 /*
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index cb1c5c54cedd..93c541111dea 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -380,6 +380,7 @@ enum vcpu_sysreg {
 	CPTR_EL2,	/* Architectural Feature Trap Register (EL2) */
 	HSTR_EL2,	/* Hypervisor System Trap Register */
 	HACR_EL2,	/* Hypervisor Auxiliary Control Register */
+	HCRX_EL2,	/* Extended Hypervisor Configuration Register */
 	TTBR0_EL2,	/* Translation Table Base Register 0 (EL2) */
 	TTBR1_EL2,	/* Translation Table Base Register 1 (EL2) */
 	TCR_EL2,	/* Translation Control Register (EL2) */
diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c
index 4497666db45d..35f2f051af97 100644
--- a/arch/arm64/kvm/emulate-nested.c
+++ b/arch/arm64/kvm/emulate-nested.c
@@ -425,11 +425,13 @@ static const complex_condition_check ccc[] = {
  * [13:10]	enum fgt_group_id (4 bits)
  * [19:14]	bit number in the FGT register (6 bits)
  * [20]		trap polarity (1 bit)
- * [62:21]	Unused (42 bits)
+ * [25:21]	FG filter (5 bits)
+ * [62:26]	Unused (37 bits)
  * [63]		RES0 - Must be zero, as lost on insertion in the xarray
  */
 #define TC_CGT_BITS	10
 #define TC_FGT_BITS	4
+#define TC_FGF_BITS	5
 
 union trap_config {
 	u64	val;
@@ -438,7 +440,8 @@ union trap_config {
 		unsigned long	fgt:TC_FGT_BITS; /* Fing Grained Trap id */
 		unsigned long	bit:6;		 /* Bit number */
 		unsigned long	pol:1;		 /* Polarity */
-		unsigned long	unk:42;		 /* Unknown */
+		unsigned long	fgf:TC_FGF_BITS; /* Fine Grained Filter */
+		unsigned long	unk:37;		 /* Unknown */
 		unsigned long	mbz:1;		 /* Must Be Zero */
 	};
 };
@@ -939,7 +942,15 @@ enum fgt_group_id {
 	__NR_FGT_GROUP_IDS__
 };
 
-#define SR_FGT(sr, g, b, p)					\
+enum fg_filter_id {
+	__NO_FGF__,
+	HCRX_FGTnXS,
+
+	/* Must be last */
+	__NR_FG_FILTER_IDS__
+};
+
+#define SR_FGF(sr, g, b, p, f)					\
 	{							\
 		.encoding	= sr,				\
 		.end		= sr,				\
@@ -947,9 +958,12 @@ enum fgt_group_id {
 			.fgt = g ## _GROUP,			\
 			.bit = g ## _EL2_ ## b ## _SHIFT,	\
 			.pol = p,				\
+			.fgf = f,				\
 		},						\
 	}
 
+#define SR_FGT(sr, g, b, p)	SR_FGF(sr, g, b, p, __NO_FGF__)
+
 static const struct encoding_to_trap_config encoding_to_fgt[] __initconst = {
 	/* HFGRTR_EL2, HFGWTR_EL2 */
 	SR_FGT(SYS_TPIDR2_EL0,		HFGxTR, nTPIDR2_EL0, 0),
@@ -1053,37 +1067,37 @@ static const struct encoding_to_trap_config encoding_to_fgt[] __initconst = {
 	SR_FGT(OP_TLBI_ASIDE1OS, 	HFGITR, TLBIASIDE1OS, 1),
 	SR_FGT(OP_TLBI_VAE1OS, 		HFGITR, TLBIVAE1OS, 1),
 	SR_FGT(OP_TLBI_VMALLE1OS, 	HFGITR, TLBIVMALLE1OS, 1),
-	/* FIXME: nXS variants must be checked against HCRX_EL2.FGTnXS */
-	SR_FGT(OP_TLBI_VAALE1NXS, 	HFGITR, TLBIVAALE1, 1),
-	SR_FGT(OP_TLBI_VALE1NXS, 	HFGITR, TLBIVALE1, 1),
-	SR_FGT(OP_TLBI_VAAE1NXS, 	HFGITR, TLBIVAAE1, 1),
-	SR_FGT(OP_TLBI_ASIDE1NXS, 	HFGITR, TLBIASIDE1, 1),
-	SR_FGT(OP_TLBI_VAE1NXS, 	HFGITR, TLBIVAE1, 1),
-	SR_FGT(OP_TLBI_VMALLE1NXS, 	HFGITR, TLBIVMALLE1, 1),
-	SR_FGT(OP_TLBI_RVAALE1NXS, 	HFGITR, TLBIRVAALE1, 1),
-	SR_FGT(OP_TLBI_RVALE1NXS, 	HFGITR, TLBIRVALE1, 1),
-	SR_FGT(OP_TLBI_RVAAE1NXS, 	HFGITR, TLBIRVAAE1, 1),
-	SR_FGT(OP_TLBI_RVAE1NXS, 	HFGITR, TLBIRVAE1, 1),
-	SR_FGT(OP_TLBI_RVAALE1ISNXS, 	HFGITR, TLBIRVAALE1IS, 1),
-	SR_FGT(OP_TLBI_RVALE1ISNXS, 	HFGITR, TLBIRVALE1IS, 1),
-	SR_FGT(OP_TLBI_RVAAE1ISNXS, 	HFGITR, TLBIRVAAE1IS, 1),
-	SR_FGT(OP_TLBI_RVAE1ISNXS, 	HFGITR, TLBIRVAE1IS, 1),
-	SR_FGT(OP_TLBI_VAALE1ISNXS, 	HFGITR, TLBIVAALE1IS, 1),
-	SR_FGT(OP_TLBI_VALE1ISNXS, 	HFGITR, TLBIVALE1IS, 1),
-	SR_FGT(OP_TLBI_VAAE1ISNXS, 	HFGITR, TLBIVAAE1IS, 1),
-	SR_FGT(OP_TLBI_ASIDE1ISNXS, 	HFGITR, TLBIASIDE1IS, 1),
-	SR_FGT(OP_TLBI_VAE1ISNXS, 	HFGITR, TLBIVAE1IS, 1),
-	SR_FGT(OP_TLBI_VMALLE1ISNXS, 	HFGITR, TLBIVMALLE1IS, 1),
-	SR_FGT(OP_TLBI_RVAALE1OSNXS, 	HFGITR, TLBIRVAALE1OS, 1),
-	SR_FGT(OP_TLBI_RVALE1OSNXS, 	HFGITR, TLBIRVALE1OS, 1),
-	SR_FGT(OP_TLBI_RVAAE1OSNXS, 	HFGITR, TLBIRVAAE1OS, 1),
-	SR_FGT(OP_TLBI_RVAE1OSNXS, 	HFGITR, TLBIRVAE1OS, 1),
-	SR_FGT(OP_TLBI_VAALE1OSNXS, 	HFGITR, TLBIVAALE1OS, 1),
-	SR_FGT(OP_TLBI_VALE1OSNXS, 	HFGITR, TLBIVALE1OS, 1),
-	SR_FGT(OP_TLBI_VAAE1OSNXS, 	HFGITR, TLBIVAAE1OS, 1),
-	SR_FGT(OP_TLBI_ASIDE1OSNXS, 	HFGITR, TLBIASIDE1OS, 1),
-	SR_FGT(OP_TLBI_VAE1OSNXS, 	HFGITR, TLBIVAE1OS, 1),
-	SR_FGT(OP_TLBI_VMALLE1OSNXS, 	HFGITR, TLBIVMALLE1OS, 1),
+	/* nXS variants must be checked against HCRX_EL2.FGTnXS */
+	SR_FGF(OP_TLBI_VAALE1NXS, 	HFGITR, TLBIVAALE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VALE1NXS, 	HFGITR, TLBIVALE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAAE1NXS, 	HFGITR, TLBIVAAE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_ASIDE1NXS, 	HFGITR, TLBIASIDE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAE1NXS, 	HFGITR, TLBIVAE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VMALLE1NXS, 	HFGITR, TLBIVMALLE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAALE1NXS, 	HFGITR, TLBIRVAALE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVALE1NXS, 	HFGITR, TLBIRVALE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAAE1NXS, 	HFGITR, TLBIRVAAE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAE1NXS, 	HFGITR, TLBIRVAE1, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAALE1ISNXS, 	HFGITR, TLBIRVAALE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVALE1ISNXS, 	HFGITR, TLBIRVALE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAAE1ISNXS, 	HFGITR, TLBIRVAAE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAE1ISNXS, 	HFGITR, TLBIRVAE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAALE1ISNXS, 	HFGITR, TLBIVAALE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VALE1ISNXS, 	HFGITR, TLBIVALE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAAE1ISNXS, 	HFGITR, TLBIVAAE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_ASIDE1ISNXS, 	HFGITR, TLBIASIDE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAE1ISNXS, 	HFGITR, TLBIVAE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VMALLE1ISNXS, 	HFGITR, TLBIVMALLE1IS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAALE1OSNXS, 	HFGITR, TLBIRVAALE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVALE1OSNXS, 	HFGITR, TLBIRVALE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAAE1OSNXS, 	HFGITR, TLBIRVAAE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_RVAE1OSNXS, 	HFGITR, TLBIRVAE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAALE1OSNXS, 	HFGITR, TLBIVAALE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VALE1OSNXS, 	HFGITR, TLBIVALE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAAE1OSNXS, 	HFGITR, TLBIVAAE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_ASIDE1OSNXS, 	HFGITR, TLBIASIDE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VAE1OSNXS, 	HFGITR, TLBIVAE1OS, 1, HCRX_FGTnXS),
+	SR_FGF(OP_TLBI_VMALLE1OSNXS, 	HFGITR, TLBIVMALLE1OS, 1, HCRX_FGTnXS),
 	SR_FGT(OP_AT_S1E1WP, 		HFGITR, ATS1E1WP, 1),
 	SR_FGT(OP_AT_S1E1RP, 		HFGITR, ATS1E1RP, 1),
 	SR_FGT(OP_AT_S1E0W, 		HFGITR, ATS1E0W, 1),
@@ -1598,6 +1612,7 @@ int __init populate_nv_trap_config(void)
 	BUILD_BUG_ON(sizeof(union trap_config) != sizeof(void *));
 	BUILD_BUG_ON(__NR_TRAP_GROUP_IDS__ > BIT(TC_CGT_BITS));
 	BUILD_BUG_ON(__NR_FGT_GROUP_IDS__ > BIT(TC_FGT_BITS));
+	BUILD_BUG_ON(__NR_FG_FILTER_IDS__ > BIT(TC_FGF_BITS));
 
 	for (int i = 0; i < ARRAY_SIZE(encoding_to_cgt); i++) {
 		const struct encoding_to_trap_config *cgt = &encoding_to_cgt[i];
@@ -1779,6 +1794,17 @@ bool __check_nv_sr_forward(struct kvm_vcpu *vcpu)
 
 	case HFGITR_GROUP:
 		val = sanitised_sys_reg(vcpu, HFGITR_EL2);
+		switch (tc.fgf) {
+			u64 tmp;
+
+		case __NO_FGF__:
+			break;
+
+		case HCRX_FGTnXS:
+			tmp = sanitised_sys_reg(vcpu, HCRX_EL2);
+			if (tmp & HCRX_EL2_FGTnXS)
+				tc.fgt = __NO_FGT_GROUP__;
+		}
 		break;
 
 	case __NR_FGT_GROUP_IDS__:
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 060c5a0409e5..3acf6d77e324 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -197,8 +197,19 @@ static inline void __activate_traps_common(struct kvm_vcpu *vcpu)
 	vcpu->arch.mdcr_el2_host = read_sysreg(mdcr_el2);
 	write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2);
 
-	if (cpus_have_final_cap(ARM64_HAS_HCX))
-		write_sysreg_s(HCRX_GUEST_FLAGS, SYS_HCRX_EL2);
+	if (cpus_have_final_cap(ARM64_HAS_HCX)) {
+		u64 hcrx = HCRX_GUEST_FLAGS;
+		if (vcpu_has_nv(vcpu) && !is_hyp_ctxt(vcpu)) {
+			u64 clr = 0, set = 0;
+
+			compute_clr_set(vcpu, HCRX_EL2, clr, set);
+
+			hcrx |= set;
+			hcrx &= ~clr;
+		}
+
+		write_sysreg_s(hcrx, SYS_HCRX_EL2);
+	}
 
 	__activate_traps_hfgxtr(vcpu);
 }
diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index 3facd8918ae3..042695a210ce 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -117,7 +117,8 @@ void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p,
 		break;
 
 	case SYS_ID_AA64MMFR1_EL1:
-		val &= (NV_FTR(MMFR1, PAN)	|
+		val &= (NV_FTR(MMFR1, HCX)	|
+			NV_FTR(MMFR1, PAN)	|
 			NV_FTR(MMFR1, LO)	|
 			NV_FTR(MMFR1, HPDS)	|
 			NV_FTR(MMFR1, VH)	|
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index dfd72b3a625f..374b21f08fc3 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -2372,6 +2372,8 @@ static const struct sys_reg_desc sys_reg_descs[] = {
 	EL2_REG(HFGITR_EL2, access_rw, reset_val, 0),
 	EL2_REG(HACR_EL2, access_rw, reset_val, 0),
 
+	EL2_REG(HCRX_EL2, access_rw, reset_val, 0),
+
 	EL2_REG(TTBR0_EL2, access_rw, reset_val, 0),
 	EL2_REG(TTBR1_EL2, access_rw, reset_val, 0),
 	EL2_REG(TCR_EL2, access_rw, reset_val, TCR_EL2_RES1),
-- 
2.34.1


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  parent reply	other threads:[~2023-08-08 11:49 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-08 11:46 [PATCH v3 00/27] KVM: arm64: NV trap forwarding infrastructure Marc Zyngier
2023-08-08 11:46 ` [PATCH v3 01/27] arm64: Add missing VA CMO encodings Marc Zyngier
2023-08-10  3:14   ` Jing Zhang
2023-08-15 10:39     ` Marc Zyngier
2023-08-08 11:46 ` [PATCH v3 02/27] arm64: Add missing ERX*_EL1 encodings Marc Zyngier
2023-08-10  4:25   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 03/27] arm64: Add missing DC ZVA/GVA/GZVA encodings Marc Zyngier
2023-08-10  4:29   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 04/27] arm64: Add TLBI operation encodings Marc Zyngier
2023-08-10  5:22   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 05/27] arm64: Add AT " Marc Zyngier
2023-08-11  2:20   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 06/27] arm64: Add debug registers affected by HDFGxTR_EL2 Marc Zyngier
2023-08-11  3:00   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 07/27] arm64: Add missing BRB/CFP/DVP/CPP instructions Marc Zyngier
2023-08-11  3:07   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 08/27] arm64: Add HDFGRTR_EL2 and HDFGWTR_EL2 layouts Marc Zyngier
2023-08-11  3:19   ` Jing Zhang
2023-08-14 12:32   ` Eric Auger
2023-08-08 11:46 ` [PATCH v3 09/27] arm64: Add feature detection for fine grained traps Marc Zyngier
2023-08-11 15:26   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 10/27] KVM: arm64: Correctly handle ACCDATA_EL1 traps Marc Zyngier
2023-08-11 15:31   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 11/27] KVM: arm64: Add missing HCR_EL2 trap bits Marc Zyngier
2023-08-11 16:21   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 12/27] KVM: arm64: nv: Add FGT registers Marc Zyngier
2023-08-11 16:36   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 13/27] KVM: arm64: Restructure FGT register switching Marc Zyngier
2023-08-11 17:40   ` Jing Zhang
2023-08-08 11:46 ` [PATCH v3 14/27] KVM: arm64: nv: Add trap forwarding infrastructure Marc Zyngier
2023-08-09 13:27   ` Eric Auger
2023-08-10 14:44     ` Marc Zyngier
2023-08-10 17:34       ` Eric Auger
2023-08-09 18:28   ` Miguel Luis
2023-08-10 14:43     ` Marc Zyngier
2023-08-13  2:24   ` Jing Zhang
2023-08-15 10:38     ` Marc Zyngier
2023-08-08 11:46 ` [PATCH v3 15/27] KVM: arm64: nv: Add trap forwarding for HCR_EL2 Marc Zyngier
2023-08-12  3:08   ` Miguel Luis
2023-08-15 10:39     ` Marc Zyngier
2023-08-15 15:35       ` Miguel Luis
2023-08-15 16:07         ` Marc Zyngier
2023-08-15 15:46   ` Miguel Luis
2023-08-15 16:09     ` Marc Zyngier
2023-08-08 11:47 ` [PATCH v3 16/27] KVM: arm64: nv: Expose FEAT_EVT to nested guests Marc Zyngier
2023-08-14 21:08   ` Jing Zhang
2023-08-08 11:47 ` [PATCH v3 17/27] KVM: arm64: nv: Add trap forwarding for MDCR_EL2 Marc Zyngier
2023-08-08 11:47 ` [PATCH v3 18/27] KVM: arm64: nv: Add trap forwarding for CNTHCTL_EL2 Marc Zyngier
2023-08-08 11:47 ` [PATCH v3 19/27] KVM: arm64: nv: Add fine grained trap forwarding infrastructure Marc Zyngier
2023-08-14 17:18   ` Jing Zhang
2023-08-15 10:39     ` Marc Zyngier
2023-08-08 11:47 ` [PATCH v3 20/27] KVM: arm64: nv: Add trap forwarding for HFGxTR_EL2 Marc Zyngier
2023-08-08 11:47 ` [PATCH v3 21/27] KVM: arm64: nv: Add trap forwarding for HFGITR_EL2 Marc Zyngier
2023-08-08 11:47 ` [PATCH v3 22/27] KVM: arm64: nv: Add trap forwarding for HDFGxTR_EL2 Marc Zyngier
2023-08-08 12:30   ` Eric Auger
2023-08-08 11:47 ` [PATCH v3 23/27] KVM: arm64: nv: Add SVC trap forwarding Marc Zyngier
2023-08-10  8:35   ` Eric Auger
2023-08-10 10:42     ` Marc Zyngier
2023-08-10 17:30       ` Eric Auger
2023-08-11  7:36         ` Marc Zyngier
2023-08-14  9:37           ` Eric Auger
2023-08-14  9:37   ` Eric Auger
2023-08-08 11:47 ` [PATCH v3 24/27] KVM: arm64: nv: Add switching support for HFGxTR/HDFGxTR Marc Zyngier
2023-08-10  8:59   ` Eric Auger
2023-08-08 11:47 ` [PATCH v3 25/27] KVM: arm64: nv: Expose FGT to nested guests Marc Zyngier
2023-08-10  9:44   ` Eric Auger
2023-08-08 11:47 ` [PATCH v3 26/27] KVM: arm64: Move HCRX_EL2 switch to load/put on VHE systems Marc Zyngier
2023-08-10 12:38   ` Eric Auger
2023-08-08 11:47 ` Marc Zyngier [this message]
2023-08-14 12:17   ` [PATCH v3 27/27] KVM: arm64: nv: Add support for HCRX_EL2 Eric Auger

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