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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-08-18 17:09:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-08-19 12:00:56 +0200 |
| commit | 01548f4d3e8e94caf323a4f664eb347fd34a34ab (patch) | |
| tree | 2717e7d4dd781be2d57737df96b074451090f3d9 /mm | |
| parent | d0981a1b21a03866c8da7f44e35e389c2e0d6061 (diff) | |
| download | op-kernel-dev-01548f4d3e8e94caf323a4f664eb347fd34a34ab.zip op-kernel-dev-01548f4d3e8e94caf323a4f664eb347fd34a34ab.tar.gz | |
clocksource: Avoid clocksource watchdog circular locking dependency
stop_machine from a multithreaded workqueue is not allowed because
of a circular locking dependency between cpu_down and the workqueue
execution. Use a kernel thread to do the clocksource downgrade.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: john stultz <johnstul@us.ibm.com>
LKML-Reference: <20090818170942.3ab80c91@skybase>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions
