tree 2bd8bc5a8c8ee10a4b1fd62804281d2b486067f0
parent d2532dd20a126020de407c1c2476a75b53fce7ac
author Linus Torvalds <torvalds@linux-foundation.org> 1206382035 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1206382035 -0700

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>