commit 2601e64d262ee5ed4d4a5737345803800d9c4db3
author Ingo Molnar <mingo@elte.hu> Mon Jul 03 00:24:45 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Mon Jul 03 15:27:03 2006 -0700
tree 67f852752af3c54f745b93f7016cdd7c5ffb1a14
parent c8558fcdecb1f920df8050be4f2d5f499060030e

[PATCH] lockdep: irqtrace subsystem, x86_64 support

Add irqflags-tracing support to x86_64.

[akpm@osdl.org: build fix]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/irq.c

diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index a1f1df5..5221a53 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -177,8 +177,10 @@
  	local_irq_save(flags);
  	pending = local_softirq_pending();
  	/* Switch to interrupt stack */
- 	if (pending)
+ 	if (pending) {
 		call_softirq();
+		WARN_ON_ONCE(softirq_count());
+	}
  	local_irq_restore(flags);
 }
 EXPORT_SYMBOL(do_softirq);