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authorAndy Lutomirski <luto@kernel.org>2015-12-16 23:18:47 -0800
committerThomas Gleixner <tglx@linutronix.de>2015-12-21 16:05:01 +0100
commit6a613ac6bc015f8ef75806d397d69dbac4a8d8c4 (patch)
tree72d8bef6afe5a30b3a1438bdc8d4f8ee42195539 /arch/x86/entry
parentd8c98a1d1488747625ad6044d423406e17e99b7a (diff)
x86/entry: Fix some comments
Signed-off-by: Andy Lutomirski <luto@kernel.org> Reviewed-and-tested-by: Borislav Petkov <bp@alien8.de> Cc: <mark.gross@intel.com> Cc: Su Tao <tao.su@intel.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: <qiuxu.zhuo@intel.com> Cc: <frank.wang@intel.com> Cc: <borun.fu@intel.com> Cc: Brian Gerst <brgerst@gmail.com> Cc: Mingwei Shi <mingwei.shi@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/entry')
-rw-r--r--arch/x86/entry/entry_32.S2
-rw-r--r--arch/x86/entry/vdso/vdso32/system_call.S2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 0870825a9568..fcad8ac30a8e 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 93bd8452383f..8f42b1b9e8df 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>