diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2012-12-20 18:28:26 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@rostedt.homelinux.com> | 2013-01-17 15:09:35 -0500 |
| commit | 8957dbe8442067dbc9389119c34cce0c41fe4b76 (patch) | |
| tree | c585f984cfabc014c082e6bb8826799d61e4e943 /firmware/dsp56k | |
| parent | 31fc476aa365d57a96ba003e0d7861e5fe34965e (diff) | |
block: Use cpu_chill() for retry loops
Retry loops on RT might loop forever when the modifying side was
preempted. Steven also observed a live lock when there was a
concurrent priority boosting going on.
Use cpu_chill() instead of cpu_relax() to let the system
make progress.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
Diffstat (limited to 'firmware/dsp56k')
0 files changed, 0 insertions, 0 deletions