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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-07-17 20:46:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-01 10:46:54 +0100 |
| commit | 3c7d51843b03a6839e9ec7cda724e54d2319a63a (patch) | |
| tree | df8ac53451a7e519ddb0d349b24e6ba17ea18afb /include | |
| parent | 1c4dd99bed5f6f70932bf8dacdd54d04a2619778 (diff) | |
| download | linux-3c7d51843b03a6839e9ec7cda724e54d2319a63a.tar.bz2 | |
sched/rt: Do not submit new work when PI-blocked
When we are PI-blocked then we want to get things done ASAP.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-vw8et3445km5b8mpihf4trae@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 03dd224d0667..c628a9151437 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2082,12 +2082,20 @@ extern unsigned int sysctl_sched_cfs_bandwidth_slice; extern int rt_mutex_getprio(struct task_struct *p); extern void rt_mutex_setprio(struct task_struct *p, int prio); extern void rt_mutex_adjust_pi(struct task_struct *p); +static inline bool tsk_is_pi_blocked(struct task_struct *tsk) +{ + return tsk->pi_blocked_on != NULL; +} #else static inline int rt_mutex_getprio(struct task_struct *p) { return p->normal_prio; } # define rt_mutex_adjust_pi(p) do { } while (0) +static inline bool tsk_is_pi_blocked(struct task_struct *tsk) +{ + return false; +} #endif extern bool yield_to(struct task_struct *p, bool preempt); |