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softirq-make-fifo.patch 

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-07-21 21:06:43 +02:00 committed by Alibek Omarov
parent 917aa12be4
commit 5636745396
1 changed files with 18 additions and 0 deletions
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18
kernel/softirq.c
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@ -386,6 +386,8 @@ asmlinkage void do_softirq(void)
static inline void local_bh_disable_nort(void) { local_bh_disable(); }
static inline void _local_bh_enable_nort(void) { _local_bh_enable(); }
static void ksoftirqd_set_sched_params(unsigned int cpu) { }
static void ksoftirqd_clr_sched_params(unsigned int cpu, bool online) { }
#else /* !PREEMPT_RT_FULL */
@ -559,6 +561,20 @@ void thread_do_softirq(void)
static inline void local_bh_disable_nort(void) { }
static inline void _local_bh_enable_nort(void) { }
static inline void ksoftirqd_set_sched_params(unsigned int cpu)
{
struct sched_param param = { .sched_priority = 1 };
sched_setscheduler(current, SCHED_FIFO, &param);
}
static inline void ksoftirqd_clr_sched_params(unsigned int cpu, bool online)
{
struct sched_param param = { .sched_priority = 0 };
sched_setscheduler(current, SCHED_NORMAL, &param);
}
#endif /* PREEMPT_RT_FULL */
/*
* Enter an interrupt context.
@ -996,6 +1012,8 @@ static struct notifier_block cpu_nfb = {
static struct smp_hotplug_thread softirq_threads = {
.store = &ksoftirqd,
.setup = ksoftirqd_set_sched_params,
.cleanup = ksoftirqd_clr_sched_params,
.thread_should_run = ksoftirqd_should_run,
.thread_fn = run_ksoftirqd,
.thread_comm = "ksoftirqd/%u",