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| author | Juergen Gross <jgross@suse.com> | 2018-08-28 09:40:20 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-09-03 16:50:35 +0200 |
| commit | 5def7a4cd5bef80f7c997cf37c09022fa8c9cd76 (patch) | |
| tree | 31f58977599d2b88e746acd76ede7345add37034 | |
| parent | 5c83511bdb9832c86be20fb86b783356e2f58062 (diff) | |
| download | linux-stable-5def7a4cd5bef80f7c997cf37c09022fa8c9cd76.tar.gz linux-stable-5def7a4cd5bef80f7c997cf37c09022fa8c9cd76.tar.bz2 linux-stable-5def7a4cd5bef80f7c997cf37c09022fa8c9cd76.zip | |
x86/paravirt: Remove unused paravirt bits
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>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: xen-devel@lists.xenproject.org
Cc: virtualization@lists.linux-foundation.org
Cc: akataria@vmware.com
Cc: rusty@rustcorp.com.au
Cc: boris.ostrovsky@oracle.com
Cc: hpa@zytor.com
Link: https://lkml.kernel.org/r/20180828074026.820-10-jgross@suse.com
| -rw-r--r-- | arch/x86/include/asm/irqflags.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/asm-offsets.c | 1 |
3 files changed, 1 insertions, 13 deletions
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h index 15450a675031..088b0e751b3e 100644 --- a/arch/x86/include/asm/irqflags.h +++ b/arch/x86/include/asm/irqflags.h @@ -135,8 +135,6 @@ 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; \ @@ -150,8 +148,6 @@ 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 |