From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
x86@kernel.org, virtualization@lists.linux-foundation.org
Cc: Juergen Gross <jgross@suse.com>,
boris.ostrovsky@oracle.com, rusty@rustcorp.com.au,
mingo@redhat.com, hpa@zytor.com, akataria@vmware.com,
tglx@linutronix.de
Subject: [PATCH v3 09/15] x86/paravirt: remove unused paravirt bits
Date: Tue, 28 Aug 2018 09:40:20 +0200 [thread overview]
Message-ID: <20180828074026.820-10-jgross@suse.com> (raw)
In-Reply-To: <20180828074026.820-1-jgross@suse.com>
The macros ENABLE_INTERRUPTS_SYSEXIT, GET_CR0_INTO_EAX and
PARAVIRT_ADJUST_EXCEPTION_FRAME are used nowhere. Remove their
definitions.
Signed-off-by: Juergen Gross <jgross@suse.com>
---
arch/x86/include/asm/irqflags.h | 4 ----
arch/x86/include/asm/paravirt.h | 9 +--------
arch/x86/kernel/asm-offsets.c | 1 -
3 files changed, 1 insertion(+), 13 deletions(-)
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index c14f2a74b2be..250bcd40d769 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -134,8 +134,6 @@ static inline notrace unsigned long arch_local_irq_save(void)
*/
#define SWAPGS_UNSAFE_STACK swapgs
-#define PARAVIRT_ADJUST_EXCEPTION_FRAME /* */
-
#define INTERRUPT_RETURN jmp native_iret
#define USERGS_SYSRET64 \
swapgs; \
@@ -149,8 +147,6 @@ static inline notrace unsigned long arch_local_irq_save(void)
#endif
#else
#define INTERRUPT_RETURN iret
-#define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit
-#define GET_CR0_INTO_EAX movl %cr0, %eax
#endif
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index a9189b81c7dd..2ba23e98c5cd 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -887,14 +887,7 @@ extern void default_banner(void);
call PARA_INDIRECT(pv_ops+PV_IRQ_irq_enable); \
PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);)
-#ifdef CONFIG_X86_32
-#define GET_CR0_INTO_EAX \
- push %ecx; push %edx; \
- ANNOTATE_RETPOLINE_SAFE; \
- call PARA_INDIRECT(pv_ops+PV_CPU_read_cr0); \
- pop %edx; pop %ecx
-#else /* !CONFIG_X86_32 */
-
+#ifdef CONFIG_X86_64
/*
* If swapgs is used while the userspace stack is still current,
* there's no way to call a pvop. The PV replacement *must* be
diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
index 46d14498e214..37e323f3d8c9 100644
--- a/arch/x86/kernel/asm-offsets.c
+++ b/arch/x86/kernel/asm-offsets.c
@@ -69,7 +69,6 @@ void common(void) {
OFFSET(PV_IRQ_irq_disable, paravirt_patch_template, irq.irq_disable);
OFFSET(PV_IRQ_irq_enable, paravirt_patch_template, irq.irq_enable);
OFFSET(PV_CPU_iret, paravirt_patch_template, cpu.iret);
- OFFSET(PV_CPU_read_cr0, paravirt_patch_template, cpu.read_cr0);
OFFSET(PV_MMU_read_cr2, paravirt_patch_template, mmu.read_cr2);
#endif
--
2.16.4
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next prev parent reply other threads:[~2018-08-28 7:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-28 7:40 [PATCH v3 00/15] x86/paravirt, xen: several cleanups Juergen Gross
2018-08-28 7:40 ` [PATCH v3 01/15] xen: move pv irq related functions under CONFIG_XEN_PV umbrella Juergen Gross
2018-08-28 7:40 ` [PATCH v3 02/15] xen: move pv specific parts of arch/x86/xen/mmu.c to mmu_pv.c Juergen Gross
2018-08-28 7:40 ` [PATCH v3 03/15] xen: link platform-pci-unplug.o only if CONFIG_XEN_PVHVM Juergen Gross
2018-08-28 7:40 ` [PATCH v3 04/15] xen: add SPDX identifier in arch/x86/xen files Juergen Gross
2018-08-28 7:40 ` [PATCH v3 05/15] x86/paravirt: make paravirt_patch_call() and paravirt_patch_jmp() static Juergen Gross
2018-08-28 7:40 ` [PATCH v3 06/15] x86/paravirt: remove clobbers parameter from paravirt patch functions Juergen Gross
2018-08-28 7:40 ` [PATCH v3 07/15] x86/paravirt: remove clobbers from struct paravirt_patch_site Juergen Gross
2018-08-28 7:40 ` [PATCH v3 08/15] x86/paravirt: use a single ops structure Juergen Gross
2018-08-28 7:40 ` Juergen Gross [this message]
2018-08-28 7:40 ` [PATCH v3 10/15] x86/paravirt: introduce new config option PARAVIRT_XXL Juergen Gross
2018-08-28 7:40 ` [PATCH v3 11/15] x86/paravirt: move items in pv_info under PARAVIRT_XXL umbrella Juergen Gross
2018-08-28 7:40 ` [PATCH v3 12/15] x86/paravirt: move the Xen-only pv_cpu_ops under the " Juergen Gross
2018-08-28 7:40 ` [PATCH v3 13/15] x86/paravirt: move the pv_irq_ops " Juergen Gross
2018-08-28 7:40 ` [PATCH v3 14/15] x86/paravirt: move the Xen-only pv_mmu_ops " Juergen Gross
2018-08-28 7:40 ` [PATCH v3 15/15] x86/paravirt: remove unneeded mmu related paravirt ops bits Juergen Gross
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