diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index cb83fa1..13a5d9f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4423,6 +4423,17 @@ void migrate_disable(void) unsigned long flags; struct rq *rq; + if (in_atomic()) { +#ifdef CONFIG_SCHED_DEBUG + p->migrate_disable_atomic++; +#endif + return; + } + +#ifdef CONFIG_SCHED_DEBUG + WARN_ON_ONCE(p->migrate_disable_atomic); +#endif + preempt_disable(); if (p->migrate_disable) { p->migrate_disable++; @@ -4471,6 +4482,16 @@ void migrate_enable(void) unsigned long flags; struct rq *rq; + if (in_atomic()) { +#ifdef CONFIG_SCHED_DEBUG + p->migrate_disable_atomic--; +#endif + return; + } + +#ifdef CONFIG_SCHED_DEBUG + WARN_ON_ONCE(p->migrate_disable_atomic); +#endif WARN_ON_ONCE(p->migrate_disable <= 0); preempt_disable(); |