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Merge branches 'tracing/ftrace' and 'tracing/urgent' into tracing/core

Ingo Molnar 16 年之前
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d524e03207
共有 1 個文件被更改,包括 5 次插入3 次删除
  1. 5 3
      arch/x86/kernel/ftrace.c

+ 5 - 3
arch/x86/kernel/ftrace.c

@@ -471,13 +471,15 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
 		"1: " _ASM_MOV " (%[parent_old]), %[old]\n"
 		"2: " _ASM_MOV " %[return_hooker], (%[parent_replaced])\n"
 		"   movl $0, %[faulted]\n"
+		"3:\n"
 
 		".section .fixup, \"ax\"\n"
-		"3: movl $1, %[faulted]\n"
+		"4: movl $1, %[faulted]\n"
+		"   jmp 3b\n"
 		".previous\n"
 
-		_ASM_EXTABLE(1b, 3b)
-		_ASM_EXTABLE(2b, 3b)
+		_ASM_EXTABLE(1b, 4b)
+		_ASM_EXTABLE(2b, 4b)
 
 		: [parent_replaced] "=r" (parent), [old] "=r" (old),
 		  [faulted] "=r" (faulted)