[tip:x86/urgent] x86/entry: Fix some comments

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Commit-ID:  6a613ac6bc015f8ef75806d397d69dbac4a8d8c4
Gitweb:     http://git.kernel.org/tip/6a613ac6bc015f8ef75806d397d69dbac4a8d8c4
Author:     Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Wed, 16 Dec 2015 23:18:47 -0800
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 21 Dec 2015 16:05:01 +0100

x86/entry: Fix some comments

Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Reviewed-and-tested-by: Borislav Petkov <bp@xxxxxxxxx>
Cc: <mark.gross@xxxxxxxxx>
Cc: Su Tao <tao.su@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: <qiuxu.zhuo@xxxxxxxxx>
Cc: <frank.wang@xxxxxxxxx>
Cc: <borun.fu@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Mingwei Shi <mingwei.shi@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 arch/x86/entry/entry_32.S                | 2 +-
 arch/x86/entry/vdso/vdso32/system_call.S | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 0870825..fcad8ac 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -292,7 +292,7 @@ ENTRY(entry_SYSENTER_32)
 	movl	TSS_sysenter_sp0(%esp), %esp
 sysenter_past_esp:
 	pushl	$__USER_DS		/* pt_regs->ss */
-	pushl	%ecx			/* pt_regs->cx */
+	pushl	%ecx			/* pt_regs->sp (stashed in cx) */
 	pushfl				/* pt_regs->flags (except IF = 0) */
 	orl	$X86_EFLAGS_IF, (%esp)	/* Fix IF */
 	pushl	$__USER_CS		/* pt_regs->cs */
diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S
index 93bd845..8f42b1b 100644
--- a/arch/x86/entry/vdso/vdso32/system_call.S
+++ b/arch/x86/entry/vdso/vdso32/system_call.S
@@ -1,5 +1,5 @@
 /*
- * Code for the vDSO.  This version uses the old int $0x80 method.
+ * AT_SYSINFO entry point
 */
 
 #include <asm/dwarf2.h>
--
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