Merge branches 'x86/acpi', 'x86/asm', 'x86/cpudetect', 'x86/crashdump', 'x86/debug...

[safe/jmp/linux-2.6] / arch / x86 / kernel / ftrace.c

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 1b43086..231bdd3 100644 (file)
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -488,20 +488,21 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
         * ignore such a protection.
         */
        asm volatile(
-               "1: " _ASM_MOV " (%[parent_old]), %[old]\n"
-               "2: " _ASM_MOV " %[return_hooker], (%[parent_replaced])\n"
+               "1: " _ASM_MOV " (%[parent]), %[old]\n"
+               "2: " _ASM_MOV " %[return_hooker], (%[parent])\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)
-               : [parent_old] "0" (parent), [return_hooker] "r" (return_hooker)
+               : [old] "=r" (old), [faulted] "=r" (faulted)
+               : [parent] "r" (parent), [return_hooker] "r" (return_hooker)
                : "memory"
        );