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| author | Salvatore Bonaccorso <carnil@debian.org> | 2019-12-18 18:06:31 +0100 |
|---|---|---|
| committer | Salvatore Bonaccorso <carnil@debian.org> | 2019-12-18 22:50:21 +0100 |
| commit | 102987a83771aa994821d4d982d06faa64c789e4 (patch) | |
| tree | 3e5ab5206886ec297a1a97ce80f504d75468ed2f /debian/patches-rt/block-use-cpu-chill.patch | |
| parent | 479cb120ecb2b3f2c4d929a7b57860248d6f79bd (diff) | |
| download | linux-debian-102987a83771aa994821d4d982d06faa64c789e4.tar.gz | |
[rt] Update to 5.4.3-rt1 and re-enable
Adjust for context changes due to backport of
e66b39af00f4 ("workqueue: Fix pwq ref leak in rescuer_thread()") and
def98c84b6cd ("workqueue: Fix spurious sanity check failures in
destroy_workqueue()") in 5.4.4.
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> --- |