diff options
Diffstat (limited to 'debian/patches-rt/sched-disable-ttwu-queue.patch')
| -rw-r--r-- | debian/patches-rt/sched-disable-ttwu-queue.patch | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/debian/patches-rt/sched-disable-ttwu-queue.patch b/debian/patches-rt/sched-disable-ttwu-queue.patch index ac2572d50..06708fa20 100644 --- a/debian/patches-rt/sched-disable-ttwu-queue.patch +++ b/debian/patches-rt/sched-disable-ttwu-queue.patch @@ -1,7 +1,7 @@ Subject: sched: Disable TTWU_QUEUE on RT From: Thomas Gleixner <tglx@linutronix.de> Date: Tue, 13 Sep 2011 16:42:35 +0200 -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 The queued remote wakeup mechanism can introduce rather large latencies if the number of migrated tasks is high. Disable it for RT. @@ -13,11 +13,11 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- a/kernel/sched/features.h +++ b/kernel/sched/features.h -@@ -46,11 +46,16 @@ SCHED_FEAT(LB_BIAS, false) +@@ -45,11 +45,16 @@ SCHED_FEAT(DOUBLE_TICK, false) */ SCHED_FEAT(NONTASK_CAPACITY, true) -+#ifdef CONFIG_PREEMPT_RT_FULL ++#ifdef CONFIG_PREEMPT_RT +SCHED_FEAT(TTWU_QUEUE, false) +#else + |