diff options
Diffstat (limited to 'debian/patches-rt/0011-sched-core-Make-migrate-disable-and-CPU-hotplug-coop.patch')
| -rw-r--r-- | debian/patches-rt/0011-sched-core-Make-migrate-disable-and-CPU-hotplug-coop.patch | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/debian/patches-rt/0011-sched-core-Make-migrate-disable-and-CPU-hotplug-coop.patch b/debian/patches-rt/0011-sched-core-Make-migrate-disable-and-CPU-hotplug-coop.patch index b5b1e7d0b..c97a11677 100644 --- a/debian/patches-rt/0011-sched-core-Make-migrate-disable-and-CPU-hotplug-coop.patch +++ b/debian/patches-rt/0011-sched-core-Make-migrate-disable-and-CPU-hotplug-coop.patch @@ -2,7 +2,7 @@ From: Thomas Gleixner <tglx@linutronix.de> Date: Fri, 23 Oct 2020 12:12:09 +0200 Subject: [PATCH 11/19] sched/core: Make migrate disable and CPU hotplug cooperative -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.17-rt32.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.21-rt34.tar.xz On CPU unplug tasks which are in a migrate disabled region cannot be pushed to a different CPU until they returned to migrateable state. @@ -20,7 +20,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> --- a/kernel/sched/core.c +++ b/kernel/sched/core.c -@@ -1721,10 +1721,17 @@ static void migrate_disable_switch(struc +@@ -1719,10 +1719,17 @@ static void migrate_disable_switch(struc void migrate_disable(void) { @@ -40,7 +40,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> } EXPORT_SYMBOL_GPL(migrate_disable); -@@ -1751,6 +1758,7 @@ void migrate_enable(void) +@@ -1749,6 +1756,7 @@ void migrate_enable(void) */ barrier(); p->migration_disabled = 0; @@ -48,7 +48,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> preempt_enable(); } EXPORT_SYMBOL_GPL(migrate_enable); -@@ -1760,6 +1768,11 @@ static inline bool is_migration_disabled +@@ -1758,6 +1766,11 @@ static inline bool is_migration_disabled return p->migration_disabled; } @@ -60,7 +60,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> #endif /* -@@ -2691,6 +2704,11 @@ static inline bool is_migration_disabled +@@ -2689,6 +2702,11 @@ static inline bool is_migration_disabled return false; } @@ -72,7 +72,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> #endif static void -@@ -7065,15 +7083,20 @@ static void balance_push(struct rq *rq) +@@ -7062,15 +7080,20 @@ static void balance_push(struct rq *rq) * Both the cpu-hotplug and stop task are in this case and are * required to complete the hotplug process. */ @@ -95,7 +95,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> raw_spin_unlock(&rq->lock); rcuwait_wake_up(&rq->hotplug_wait); raw_spin_lock(&rq->lock); -@@ -7120,7 +7143,8 @@ static void balance_hotplug_wait(void) +@@ -7117,7 +7140,8 @@ static void balance_hotplug_wait(void) { struct rq *rq = this_rq(); @@ -105,7 +105,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> TASK_UNINTERRUPTIBLE); } -@@ -7365,7 +7389,7 @@ int sched_cpu_dying(unsigned int cpu) +@@ -7362,7 +7386,7 @@ int sched_cpu_dying(unsigned int cpu) sched_tick_stop(cpu); rq_lock_irqsave(rq, &rf); @@ -116,7 +116,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> calc_load_migrate(rq); --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h -@@ -1047,6 +1047,10 @@ struct rq { +@@ -1048,6 +1048,10 @@ struct rq { /* Must be inspected within a rcu lock section */ struct cpuidle_state *idle_state; #endif |