| commit | a38a44c1a93078fc5fadc4ac2df8dea4697069e2 | [log] [tgz] |
|---|---|---|
| author | Andrew Morton <akpm@osdl.org> | Wed Dec 06 20:38:16 2006 -0800 |
| committer | Linus Torvalds <torvalds@woody.osdl.org> | Thu Dec 07 08:39:39 2006 -0800 |
| tree | 03ad860836722b803a02a58d5e988fb9f9b883fc | |
| parent | 83df8db9e62129975fab6d800fb381faf0dfee74 [diff] |
[PATCH] smp_call_function_single() check that local interrupts are enabled smp_call_function_single() can deadlock if the caller disabled local interrupts (the target CPU could be spinning on call_lock). Check for that. Why on earth do these functions use spin_lock_bh()?? Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Cc: Andi Kleen <ak@suse.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>