[PATCH for review] [135/145] x86_64: wire up oops_enter()/oops_exit()

[Andi Kleen]

r

From: Andrew Morton <akpm@xxxxxxxx>

Implement pause_on_oops() on x86_64.

AK: I redid the patch to do the oops_enter/exit in the existing
oops_begin()/end(). This makes it much shorter.

Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxx>

---

 arch/x86_64/kernel/traps.c |    4 ++++
 1 files changed, 4 insertions(+)

Index: linux/arch/x86_64/kernel/traps.c
===================================================================
--- linux.orig/arch/x86_64/kernel/traps.c
+++ linux/arch/x86_64/kernel/traps.c
@@ -559,6 +559,8 @@ unsigned __kprobes long oops_begin(void)
 	int cpu = safe_smp_processor_id();
 	unsigned long flags;
 
+	oops_enter();
+
 	/* racy, but better than risking deadlock. */
 	local_irq_save(flags);
 	if (!spin_trylock(&die_lock)) { 
@@ -587,6 +589,8 @@ void __kprobes oops_end(unsigned long fl
 		spin_unlock_irqrestore(&die_lock, flags);
 	if (panic_on_oops)
 		panic("Fatal exception: panic_on_oops");
+
+	oops_exit();
 }
 
 void __kprobes __die(const char * str, struct pt_regs * regs, long err)
-
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