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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-10-03 16:21:53 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:34 (GMT) |
| commit | 66158a8101ec0462d76d8d12f260d008481cda2a (patch) | |
| tree | 028fe7ec34a54eefb457aa516d501f406d7d5b65 /include | |
| parent | 3f5b6f622ef80a7eca0a1ccf4f3ee0222047ef0a (diff) | |
| download | linux-fsl-qoriq-66158a8101ec0462d76d8d12f260d008481cda2a.tar.xz | |
stomp_machine: Use mutex_trylock when called from inactive cpu
If the stop machinery is called from inactive CPU we cannot use
mutex_lock, because some other stomp machine invokation might be in
progress and the mutex can be contended. We cannot schedule from this
context, so trylock and loop.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions