From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 24 Mar 2008 18:07:15 +0000 (-0700)
Subject: Don't 'printk()' while holding xtime lock for writing
X-Git-Tag: v2.6.25-rc7~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92896bd9fd75b1c993b92874d339a8088bb75560;p=pandora-kernel.git

Don't 'printk()' while holding xtime lock for writing

The printk() can deadlock because it can wake up klogd(), and
task enqueueing will try to read the time in order to set a hrtimer.

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Debugged-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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