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cond-resched-softirq-fix.patch 

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-07-14 09:56:44 +02:00 committed by Alibek Omarov
parent 01a5a968fd
commit a4b1285e8c
2 changed files with 6 additions and 0 deletions
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4
include/linux/sched.h
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@ -2760,12 +2760,16 @@ extern int __cond_resched_lock(spinlock_t *lock);
__cond_resched_lock(lock); \
})
#ifndef CONFIG_PREEMPT_RT_FULL
extern int __cond_resched_softirq(void);
#define cond_resched_softirq() ({ \
__might_sleep(__FILE__, __LINE__, SOFTIRQ_DISABLE_OFFSET); \
__cond_resched_softirq(); \
})
#else
# define cond_resched_softirq() cond_resched()
#endif
static inline void cond_resched_rcu(void)
{

2
kernel/sched/core.c
View File

@ -4259,6 +4259,7 @@ int __cond_resched_lock(spinlock_t *lock)
}
EXPORT_SYMBOL(__cond_resched_lock);
#ifndef CONFIG_PREEMPT_RT_FULL
int __sched __cond_resched_softirq(void)
{
BUG_ON(!in_softirq());
@ -4272,6 +4273,7 @@ int __sched __cond_resched_softirq(void)
return 0;
}
EXPORT_SYMBOL(__cond_resched_softirq);
#endif
/**
* yield - yield the current processor to other threads.