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| author | Thomas Gleixner <tglx@linutronix.de> | 2012-12-20 17:28:26 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:54 (GMT) |
| commit | fb89e9743e513d51e2ea43deb0451461c328435c (patch) | |
| tree | 93159a058c0c73f0fb70629844b5875787087ff2 /fs/namespace.c | |
| parent | 311dd05c536ff77b64c21d51fd0b7103e0278ec4 (diff) | |
| download | linux-fsl-qoriq-fb89e9743e513d51e2ea43deb0451461c328435c.tar.xz | |
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 'fs/namespace.c')
0 files changed, 0 insertions, 0 deletions