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Diffstat (limited to '')
| -rw-r--r-- | debian/patches-rt/0101-sched-fair-Make-the-hrtimers-non-hard-again.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/debian/patches-rt/0101-sched-fair-Make-the-hrtimers-non-hard-again.patch b/debian/patches-rt/0101-sched-fair-Make-the-hrtimers-non-hard-again.patch new file mode 100644 index 000000000..5e4c29b6b --- /dev/null +++ b/debian/patches-rt/0101-sched-fair-Make-the-hrtimers-non-hard-again.patch @@ -0,0 +1,34 @@ +From 79daa2a0bfdb433f8f4dfb8fe3b3652199bf7cb8 Mon Sep 17 00:00:00 2001 +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Date: Tue, 8 Jan 2019 12:31:06 +0100 +Subject: [PATCH 101/347] sched/fair: Make the hrtimers non-hard again +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz + +Since commit "sched/fair: Robustify CFS-bandwidth timer locking" both +hrtimer can run in softirq context because now interrupts are disabled +as part of the locking procedure. + +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + kernel/sched/fair.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c +index d804b5443bb9..16940416d526 100644 +--- a/kernel/sched/fair.c ++++ b/kernel/sched/fair.c +@@ -4951,9 +4951,9 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) + cfs_b->period = ns_to_ktime(default_cfs_period()); + + INIT_LIST_HEAD(&cfs_b->throttled_cfs_rq); +- hrtimer_init(&cfs_b->period_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED_HARD); ++ hrtimer_init(&cfs_b->period_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED); + cfs_b->period_timer.function = sched_cfs_period_timer; +- hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD); ++ hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + cfs_b->slack_timer.function = sched_cfs_slack_timer; + cfs_b->distribute_running = 0; + } +-- +2.36.1 + |