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printk: robustify printk
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Fri, 8 Aug 2008 19:47:09 +0000 (21:47 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 10 Nov 2009 00:52:43 +0000 (16:52 -0800)
commit b845b517b5e3706a3729f6ea83b88ab85f0725b0 upstream.

Avoid deadlocks against rq->lock and xtime_lock by deferring the klogd
wakeup by polling from the timer tick.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

No differences found
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