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| author | Roland McGrath <roland@redhat.com> | 2008-01-30 13:30:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:30:43 +0100 |
| commit | 0aa97fb22624f18e5925d702ab0364d3838cfd91 (patch) | |
| tree | 176cd49b9a41b6b2832e142ad48410a69d6ae651 /arch/x86 | |
| parent | f288f32dc51042fd3a493b85b226e63f1ad3edcc (diff) | |
| download | linux-0aa97fb22624f18e5925d702ab0364d3838cfd91.tar.gz linux-0aa97fb22624f18e5925d702ab0364d3838cfd91.tar.bz2 linux-0aa97fb22624f18e5925d702ab0364d3838cfd91.zip | |
x86 vDSO: ia32_sysenter_target
This harmonizes the name for the entry point from the 32-bit sysenter
instruction across 32-bit and 64-bit kernels.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/entry_32.S | 10 | ||||
| -rw-r--r-- | arch/x86/vdso/vdso32-setup.c | 4 |
2 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index d63609dd64b9..153bb87a4eea 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -283,7 +283,7 @@ END(resume_kernel) the vsyscall page. See vsyscall-sysentry.S, which defines the symbol. */ # sysenter call handler stub -ENTRY(sysenter_entry) +ENTRY(ia32_sysenter_target) CFI_STARTPROC simple CFI_SIGNAL_FRAME CFI_DEF_CFA esp, 0 @@ -360,7 +360,7 @@ sysenter_past_esp: .align 4 .long 1b,2b .popsection -ENDPROC(sysenter_entry) +ENDPROC(ia32_sysenter_target) # system call handler stub ENTRY(system_call) @@ -768,7 +768,7 @@ label: \ KPROBE_ENTRY(debug) RING0_INT_FRAME - cmpl $sysenter_entry,(%esp) + cmpl $ia32_sysenter_target,(%esp) jne debug_stack_correct FIX_STACK(12, debug_stack_correct, debug_esp_fix_insn) debug_stack_correct: @@ -799,7 +799,7 @@ KPROBE_ENTRY(nmi) popl %eax CFI_ADJUST_CFA_OFFSET -4 je nmi_espfix_stack - cmpl $sysenter_entry,(%esp) + cmpl $ia32_sysenter_target,(%esp) je nmi_stack_fixup pushl %eax CFI_ADJUST_CFA_OFFSET 4 @@ -812,7 +812,7 @@ KPROBE_ENTRY(nmi) popl %eax CFI_ADJUST_CFA_OFFSET -4 jae nmi_stack_correct - cmpl $sysenter_entry,12(%esp) + cmpl $ia32_sysenter_target,12(%esp) je nmi_debug_stack_check nmi_stack_correct: /* We have a RING0_INT_FRAME here */ diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c index 85c52d23ee40..fb71a93c5dce 100644 --- a/arch/x86/vdso/vdso32-setup.c +++ b/arch/x86/vdso/vdso32-setup.c @@ -54,7 +54,7 @@ static int __init vdso_setup(char *s) __setup("vdso=", vdso_setup); -extern asmlinkage void sysenter_entry(void); +extern asmlinkage void ia32_sysenter_target(void); static __init void reloc_symtab(Elf32_Ehdr *ehdr, unsigned offset, unsigned size) @@ -187,7 +187,7 @@ void enable_sep_cpu(void) tss->x86_tss.esp1 = sizeof(struct tss_struct) + (unsigned long) tss; wrmsr(MSR_IA32_SYSENTER_CS, __KERNEL_CS, 0); wrmsr(MSR_IA32_SYSENTER_ESP, tss->x86_tss.esp1, 0); - wrmsr(MSR_IA32_SYSENTER_EIP, (unsigned long) sysenter_entry, 0); + wrmsr(MSR_IA32_SYSENTER_EIP, (unsigned long) ia32_sysenter_target, 0); put_cpu(); } |