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authorLinus Torvalds <torvalds@linux-foundation.org>2008-03-24 11:07:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-24 11:07:15 -0700
commit92896bd9fd75b1c993b92874d339a8088bb75560 (patch)
tree2bd8bc5a8c8ee10a4b1fd62804281d2b486067f0 /lib
parentd2532dd20a126020de407c1c2476a75b53fce7ac (diff)
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op-kernel-dev-92896bd9fd75b1c993b92874d339a8088bb75560.tar.gz
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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