x86: unify extable_{32|64}.c
Introduce fixup_exception() on 64-bit and use it in kprobes to
eliminate an #ifdef.
Only 64-bit needs search_extable() due to a stepping bug.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 8de82c8..7848bf7 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -904,19 +904,9 @@
* In case the user-specified fault handler returned
* zero, try to fix up.
*/
-#ifdef CONFIG_X86_64
- {
- const struct exception_table_entry *fixup;
- fixup = search_exception_tables(regs->ip);
- if (fixup) {
- regs->ip = fixup->fixup;
- return 1;
- }
- }
-#else
if (fixup_exception(regs))
return 1;
-#endif
+
/*
* fixup routine could not handle it,
* Let do_page_fault() fix it.
