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>
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index d63609d..153bb87 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -283,7 +283,7 @@
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 @@
.align 4
.long 1b,2b
.popsection
-ENDPROC(sysenter_entry)
+ENDPROC(ia32_sysenter_target)
# system call handler stub
ENTRY(system_call)
@@ -768,7 +768,7 @@
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 @@
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 @@
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 85c52d2..fb71a93 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -54,7 +54,7 @@
__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 @@
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();
}