diff options
Diffstat (limited to 'debian/patches-rt/sched-migrate_disable-fallback-to-preempt_disable-in.patch')
| -rw-r--r-- | debian/patches-rt/sched-migrate_disable-fallback-to-preempt_disable-in.patch | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/debian/patches-rt/sched-migrate_disable-fallback-to-preempt_disable-in.patch b/debian/patches-rt/sched-migrate_disable-fallback-to-preempt_disable-in.patch index 637417f78..fe3f33d0a 100644 --- a/debian/patches-rt/sched-migrate_disable-fallback-to-preempt_disable-in.patch +++ b/debian/patches-rt/sched-migrate_disable-fallback-to-preempt_disable-in.patch @@ -2,7 +2,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Thu, 5 Jul 2018 14:44:51 +0200 Subject: [PATCH] sched/migrate_disable: fallback to preempt_disable() instead barrier() -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.10-rt8.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.13-rt10.tar.xz On SMP + !RT migrate_disable() is still around. It is not part of spin_lock() anymore so it has almost no users. However the futex code has a workaround for @@ -90,7 +90,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> #endif --- a/kernel/sched/core.c +++ b/kernel/sched/core.c -@@ -1030,7 +1030,7 @@ void set_cpus_allowed_common(struct task +@@ -1029,7 +1029,7 @@ void set_cpus_allowed_common(struct task p->nr_cpus_allowed = cpumask_weight(new_mask); } @@ -99,7 +99,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> int __migrate_disabled(struct task_struct *p) { return p->migrate_disable; -@@ -1070,7 +1070,7 @@ static void __do_set_cpus_allowed_tail(s +@@ -1069,7 +1069,7 @@ static void __do_set_cpus_allowed_tail(s void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask) { @@ -108,7 +108,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> if (__migrate_disabled(p)) { lockdep_assert_held(&p->pi_lock); -@@ -1143,7 +1143,7 @@ static int __set_cpus_allowed_ptr(struct +@@ -1142,7 +1142,7 @@ static int __set_cpus_allowed_ptr(struct if (cpumask_test_cpu(task_cpu(p), new_mask) || __migrate_disabled(p)) goto out; @@ -117,7 +117,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> if (__migrate_disabled(p)) { p->migrate_disable_update = 1; goto out; -@@ -7164,7 +7164,7 @@ const u32 sched_prio_to_wmult[40] = { +@@ -7163,7 +7163,7 @@ const u32 sched_prio_to_wmult[40] = { #undef CREATE_TRACE_POINTS @@ -126,7 +126,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> static inline void update_nr_migratory(struct task_struct *p, long delta) -@@ -7312,45 +7312,44 @@ EXPORT_SYMBOL(migrate_enable); +@@ -7311,45 +7311,44 @@ EXPORT_SYMBOL(migrate_enable); #elif !defined(CONFIG_SMP) && defined(CONFIG_PREEMPT_RT_BASE) void migrate_disable(void) { |