diff options
Diffstat (limited to 'debian/patches-rt/tick-Fix-timer-storm-since-introduction-of-timersd.patch')
| -rw-r--r-- | debian/patches-rt/tick-Fix-timer-storm-since-introduction-of-timersd.patch | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/debian/patches-rt/tick-Fix-timer-storm-since-introduction-of-timersd.patch b/debian/patches-rt/tick-Fix-timer-storm-since-introduction-of-timersd.patch index be10774fe2..7c62b746e2 100644 --- a/debian/patches-rt/tick-Fix-timer-storm-since-introduction-of-timersd.patch +++ b/debian/patches-rt/tick-Fix-timer-storm-since-introduction-of-timersd.patch @@ -1,7 +1,7 @@ From: Frederic Weisbecker <frederic@kernel.org> Date: Tue, 5 Apr 2022 03:07:52 +0200 Subject: [PATCH] tick: Fix timer storm since introduction of timersd -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.8/older/patches-6.8.2-rt11.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.9/older/patches-6.9-rt5.tar.xz If timers are pending while the tick is reprogrammed on nohz_mode, the next expiry is not armed to fire now, it is delayed one jiffy forward @@ -48,7 +48,7 @@ Link: https://lkml.kernel.org/r/20220405010752.1347437-2-frederic@kernel.org --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h -@@ -611,9 +611,16 @@ extern void raise_softirq(unsigned int n +@@ -614,9 +614,16 @@ extern void raise_softirq(unsigned int n #ifdef CONFIG_PREEMPT_RT DECLARE_PER_CPU(struct task_struct *, timersd); @@ -65,7 +65,7 @@ Link: https://lkml.kernel.org/r/20220405010752.1347437-2-frederic@kernel.org #else static inline void raise_timer_softirq(void) { -@@ -624,6 +631,11 @@ static inline void raise_hrtimer_softirq +@@ -627,6 +634,11 @@ static inline void raise_hrtimer_softirq { raise_softirq_irqoff(HRTIMER_SOFTIRQ); } @@ -79,7 +79,7 @@ Link: https://lkml.kernel.org/r/20220405010752.1347437-2-frederic@kernel.org DECLARE_PER_CPU(struct task_struct *, ksoftirqd); --- a/kernel/softirq.c +++ b/kernel/softirq.c -@@ -621,12 +621,7 @@ static inline void tick_irq_exit(void) +@@ -626,12 +626,7 @@ static inline void tick_irq_exit(void) #ifdef CONFIG_PREEMPT_RT DEFINE_PER_CPU(struct task_struct *, timersd); @@ -95,7 +95,7 @@ Link: https://lkml.kernel.org/r/20220405010752.1347437-2-frederic@kernel.org { --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c -@@ -796,7 +796,7 @@ static void tick_nohz_restart(struct tic +@@ -859,7 +859,7 @@ static void tick_nohz_restart(struct tic static inline bool local_timer_softirq_pending(void) { @@ -103,4 +103,4 @@ Link: https://lkml.kernel.org/r/20220405010752.1347437-2-frederic@kernel.org + return local_pending_timers() & BIT(TIMER_SOFTIRQ); } - static ktime_t tick_nohz_next_event(struct tick_sched *ts, int cpu) + /* |