[PATCH 12/18] x86 vDSO: ia32_sysenter_target

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To: Andrew Morton <akpm@...>, Linus Torvalds <torvalds@...>, Thomas Gleixner <tglx@...>, Ingo Molnar <mingo@...>, H. Peter Anvin <hpa@...>
Cc: <linux-kernel@...>
Date: Monday, November 19, 2007 - 6:06 pm

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>
---
 arch/x86/kernel/entry_32.S   |   10 +++++-----
 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 dc7f938..388786c 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 85c52d2..fb71a93 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();	
 }
 
-
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Messages in current thread:
[PATCH 00/18] x86 vDSO revamp, Roland McGrath, (Mon Nov 19, 5:59 pm)
[PATCH 16/18] x86 vDSO: ia32 vsyscall removal, Roland McGrath, (Mon Nov 19, 6:06 pm)
[PATCH 17/18] x86 vDSO: reorder vdso32 code, Roland McGrath, (Mon Nov 19, 6:07 pm)
[PATCH 15/18] x86 vDSO: consolidate vdso32, Roland McGrath, (Mon Nov 19, 6:06 pm)
Re: [PATCH 15/18] x86 vDSO: consolidate vdso32, Zachary Amsden, (Tue Nov 20, 8:13 pm)
Re: [PATCH 15/18] x86 vDSO: consolidate vdso32, Roland McGrath, (Tue Nov 20, 8:32 pm)
Re: [PATCH 15/18] x86 vDSO: consolidate vdso32, Andi Kleen, (Tue Nov 20, 8:15 pm)
Re: [PATCH 15/18] x86 vDSO: consolidate vdso32, Ingo Molnar, (Tue Nov 20, 8:13 pm)
[PATCH 14/18] x86 vDSO: ia32 vdso32-syscall build, Roland McGrath, (Mon Nov 19, 6:06 pm)
[PATCH 18/18] x86 vDSO: makefile cleanup, Roland McGrath, (Mon Nov 19, 6:07 pm)
[PATCH 13/18] x86 vDSO: ia32 sysenter_return, Roland McGrath, (Mon Nov 19, 6:06 pm)
Re: [PATCH 13/18] x86 vDSO: ia32 sysenter_return, Zachary Amsden, (Tue Nov 20, 8:05 pm)
Re: [PATCH 13/18] x86 vDSO: ia32 sysenter_return, Roland McGrath, (Tue Nov 20, 8:34 pm)
[PATCH 12/18] x86 vDSO: ia32_sysenter_target, Roland McGrath, (Mon Nov 19, 6:06 pm)
[PATCH 08/18] x86 vDSO: i386 vdso32, Roland McGrath, (Mon Nov 19, 6:05 pm)
[PATCH 11/18] x86 vDSO: vdso32 setup, Roland McGrath, (Mon Nov 19, 6:06 pm)
[PATCH 10/18] x86 vDSO: i386 vdso32 install, Roland McGrath, (Mon Nov 19, 6:05 pm)
[PATCH 09/18] x86 vDSO: absolute relocs, Roland McGrath, (Mon Nov 19, 6:05 pm)
[PATCH 07/18] x86 vDSO: vdso32 build, Roland McGrath, (Mon Nov 19, 6:05 pm)
Re: [PATCH 07/18] x86 vDSO: vdso32 build, Sam Ravnborg, (Wed Nov 21, 2:02 am)
Re: [PATCH 07/18] x86 vDSO: vdso32 build, Roland McGrath, (Wed Nov 21, 3:10 am)
Re: [PATCH 07/18] x86 vDSO: vdso32 build, Sam Ravnborg, (Wed Nov 21, 3:32 am)
Re: [PATCH 07/18] x86 vDSO: vdso32 build, Roland McGrath, (Wed Nov 21, 3:55 am)
[PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Roland McGrath, (Mon Nov 19, 6:04 pm)
Re: [PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Thomas Gleixner, (Tue Nov 20, 9:05 am)
Re: [PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Roland McGrath, (Tue Nov 20, 4:57 pm)
Re: [PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Thomas Gleixner, (Tue Nov 20, 7:07 pm)
Re: [PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Roland McGrath, (Tue Nov 20, 7:27 pm)
Re: [PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Linus Torvalds, (Mon Nov 26, 9:53 pm)
Re: [PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Roland McGrath, (Mon Nov 26, 10:01 pm)
Re: [PATCH 06/18] x86 vDSO: arch/x86/vdso/vdso32, Thomas Gleixner, (Tue Nov 20, 7:50 pm)
[PATCH 04/18] x86 vDSO: new layout, Roland McGrath, (Mon Nov 19, 6:03 pm)
[PATCH 05/18] x86 vDSO: harmonize asm-offsets, Roland McGrath, (Mon Nov 19, 6:03 pm)
[PATCH 03/18] x86 vDSO: remove vdso-syms.o, Roland McGrath, (Mon Nov 19, 6:02 pm)
[PATCH 02/18] x86 vDSO: use vdso-syms.lds, Roland McGrath, (Mon Nov 19, 6:02 pm)
[PATCH 01/18] x86 vDSO: generate vdso-syms.lds, Roland McGrath, (Mon Nov 19, 6:01 pm)