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authorMichael Neuling <mikey@neuling.org>2008-01-18 15:50:30 +1100
committerPaul Mackerras <paulus@samba.org>2008-01-25 22:52:50 +1100
commitc3b75bd7bbf4a0438dc140033b80657995fd30ed (patch)
tree4621ebbf620d6262fccf61811824386b9ba50915 /arch/powerpc/mm
parentcaa34c9e9cab6afb243a3da406cce272805c48c5 (diff)
[POWERPC] Make setjmp/longjmp code usable outside of xmon
This makes the setjmp/longjmp code used by xmon, generically available to other code. It also removes the requirement for debugger hooks to be only called on 0x300 (data storage) exception. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/fault.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 10dda224a36..7b251079926 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -167,10 +167,8 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
if (notify_page_fault(regs))
return 0;
- if (trap == 0x300) {
- if (debugger_fault_handler(regs))
- return 0;
- }
+ if (unlikely(debugger_fault_handler(regs)))
+ return 0;
/* On a kernel SLB miss we can only check for a valid exception entry */
if (!user_mode(regs) && (address >= TASK_SIZE))