diff options
Diffstat (limited to 'debian/patches-rt/block-use-cpu-chill.patch')
| -rw-r--r-- | debian/patches-rt/block-use-cpu-chill.patch | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/debian/patches-rt/block-use-cpu-chill.patch b/debian/patches-rt/block-use-cpu-chill.patch index 467e427fd..1413bfefe 100644 --- a/debian/patches-rt/block-use-cpu-chill.patch +++ b/debian/patches-rt/block-use-cpu-chill.patch @@ -1,7 +1,7 @@ Subject: block: Use cpu_chill() for retry loops From: Thomas Gleixner <tglx@linutronix.de> Date: Thu, 20 Dec 2012 18:28:26 +0100 -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2.17-rt9.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.4/older/patches-5.4.3-rt1.tar.xz Retry loops on RT might loop forever when the modifying side was preempted. Steven also observed a live lock when there was a @@ -10,6 +10,8 @@ concurrent priority boosting going on. Use cpu_chill() instead of cpu_relax() to let the system make progress. +[bigeasy: After all those changes that occured over the years, this one hunk is +left and should not cause any starvation on -RT anymore] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- |