From 6a613ac6bc015f8ef75806d397d69dbac4a8d8c4 Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Wed, 16 Dec 2015 23:18:47 -0800 Subject: x86/entry: Fix some comments Signed-off-by: Andy Lutomirski Reviewed-and-tested-by: Borislav Petkov Cc: Cc: Su Tao Cc: Denys Vlasenko Cc: Cc: Cc: Cc: Brian Gerst Cc: Mingwei Shi Cc: Linus Torvalds Signed-off-by: Thomas Gleixner 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 -- cgit v0.10.2