diff options
Diffstat (limited to 'debian/patches-rt/0022-locking-rtmutex-Use-custom-scheduling-function-for-s.patch')
| -rw-r--r-- | debian/patches-rt/0022-locking-rtmutex-Use-custom-scheduling-function-for-s.patch | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/debian/patches-rt/0022-locking-rtmutex-Use-custom-scheduling-function-for-s.patch b/debian/patches-rt/0022-locking-rtmutex-Use-custom-scheduling-function-for-s.patch index 094346cdd..036b71e0a 100644 --- a/debian/patches-rt/0022-locking-rtmutex-Use-custom-scheduling-function-for-s.patch +++ b/debian/patches-rt/0022-locking-rtmutex-Use-custom-scheduling-function-for-s.patch @@ -2,7 +2,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Tue, 6 Oct 2020 13:07:17 +0200 Subject: [PATCH 22/22] locking/rtmutex: Use custom scheduling function for spin-schedule() -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.8-rt24.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.21-rt34.tar.xz PREEMPT_RT builds the rwsem, mutex, spinlock and rwlock typed locks on top of a rtmutex lock. While blocked task->pi_blocked_on is set @@ -121,7 +121,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/kernel/sched/core.c +++ b/kernel/sched/core.c -@@ -4981,7 +4981,7 @@ pick_next_task(struct rq *rq, struct tas +@@ -4978,7 +4978,7 @@ pick_next_task(struct rq *rq, struct tas * * WARNING: must be called with preemption disabled! */ @@ -130,7 +130,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> { struct task_struct *prev, *next; unsigned long *switch_count; -@@ -5034,7 +5034,7 @@ static void __sched notrace __schedule(b +@@ -5031,7 +5031,7 @@ static void __sched notrace __schedule(b * - ptrace_{,un}freeze_traced() can change ->state underneath us. */ prev_state = prev->state; @@ -139,7 +139,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> if (signal_pending_state(prev_state, prev)) { prev->state = TASK_RUNNING; } else { -@@ -5118,7 +5118,7 @@ void __noreturn do_task_dead(void) +@@ -5115,7 +5115,7 @@ void __noreturn do_task_dead(void) /* Tell freezer to ignore us: */ current->flags |= PF_NOFREEZE; @@ -148,7 +148,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> BUG(); /* Avoid "noreturn function does return" - but don't continue if BUG() is a NOP: */ -@@ -5151,9 +5151,6 @@ static inline void sched_submit_work(str +@@ -5148,9 +5148,6 @@ static inline void sched_submit_work(str preempt_enable_no_resched(); } @@ -158,7 +158,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> /* * If we are going to sleep and we have plugged IO queued, * make sure to submit it to avoid deadlocks. -@@ -5179,7 +5176,7 @@ asmlinkage __visible void __sched schedu +@@ -5176,7 +5173,7 @@ asmlinkage __visible void __sched schedu sched_submit_work(tsk); do { preempt_disable(); @@ -167,7 +167,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> sched_preempt_enable_no_resched(); } while (need_resched()); sched_update_worker(tsk); -@@ -5207,7 +5204,7 @@ void __sched schedule_idle(void) +@@ -5204,7 +5201,7 @@ void __sched schedule_idle(void) */ WARN_ON_ONCE(current->state); do { @@ -176,7 +176,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> } while (need_resched()); } -@@ -5260,7 +5257,7 @@ static void __sched notrace preempt_sche +@@ -5257,7 +5254,7 @@ static void __sched notrace preempt_sche */ preempt_disable_notrace(); preempt_latency_start(1); @@ -185,7 +185,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> preempt_latency_stop(1); preempt_enable_no_resched_notrace(); -@@ -5290,6 +5287,19 @@ asmlinkage __visible void __sched notrac +@@ -5287,6 +5284,19 @@ asmlinkage __visible void __sched notrac NOKPROBE_SYMBOL(preempt_schedule); EXPORT_SYMBOL(preempt_schedule); @@ -205,7 +205,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> /** * preempt_schedule_notrace - preempt_schedule called by tracing * -@@ -5333,7 +5343,7 @@ asmlinkage __visible void __sched notrac +@@ -5330,7 +5340,7 @@ asmlinkage __visible void __sched notrac * an infinite recursion. */ prev_ctx = exception_enter(); @@ -214,7 +214,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> exception_exit(prev_ctx); preempt_latency_stop(1); -@@ -5362,7 +5372,7 @@ asmlinkage __visible void __sched preemp +@@ -5359,7 +5369,7 @@ asmlinkage __visible void __sched preemp do { preempt_disable(); local_irq_enable(); |