From: Lai Jiangshan <la...@linux.alibaba.com>
No more users.
Signed-off-by: Lai Jiangshan <la...@linux.alibaba.com>
---
arch/x86/include/asm/traps.h | 1 -
arch/x86/kernel/traps.c | 13 -------------
2 files changed, 14 deletions(-)
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 714b1a30e7b0..52cd29bde1d0 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -10,7 +10,6 @@
#include <asm/siginfo.h> /* TRAP_TRACE, ... */
#ifdef CONFIG_X86_64
-asmlinkage __visible notrace struct pt_regs *sync_regs(struct pt_regs *eregs);
asmlinkage __visible notrace
struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s);
void __init trap_init(void);
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 852de6f1bf88..ebea1c3e473b 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -660,19 +660,6 @@ DEFINE_IDTENTRY_RAW(exc_int3)
}
#ifdef CONFIG_X86_64
-/*
- * Help handler running on a per-cpu (IST or entry trampoline) stack
- * to switch to the normal thread stack if the interrupted code was in
- * user mode. The actual stack switch is done in entry_64.S
- */
-asmlinkage __visible noinstr struct pt_regs *sync_regs(struct pt_regs *eregs)
-{
- struct pt_regs *regs = (struct pt_regs
*)this_cpu_read(cpu_current_top_of_stack) - 1;
- if (regs != eregs)
- *regs = *eregs;
- return regs;
-}
-
struct bad_iret_stack {
void *error_entry_ret;
struct pt_regs regs;
--
2.19.1.6.gb485710b
