37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
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diff --git a/kernel/softlockup.c b/kernel/softlockup.c
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index 4b493f6..ada1fcd 100644
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--- a/kernel/softlockup.c
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+++ b/kernel/softlockup.c
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@@ -187,7 +187,9 @@ static int watchdog(void *__bind_cpu)
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{
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struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
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+ rcu_read_lock();
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sched_setscheduler(current, SCHED_FIFO, ¶m);
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+ rcu_read_unlock();
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/* initialize timestamp */
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__touch_softlockup_watchdog();
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diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
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index 5a5ea2c..47ecc56 100644
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--- a/kernel/sched_fair.c
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+++ b/kernel/sched_fair.c
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@@ -1272,6 +1272,9 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p, int sync)
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* effect of the currently running task from the load
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* of the current CPU:
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*/
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+
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+ rcu_read_lock();
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+
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if (sync) {
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tg = task_group(current);
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weight = current->se.load.weight;
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@@ -1298,6 +1301,7 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p, int sync)
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100*(this_load + effective_load(tg, this_cpu, weight, weight)) <=
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imbalance*(load + effective_load(tg, prev_cpu, 0, weight));
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+ rcu_read_unlock();
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/*
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* If the currently running task will sleep within
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* a reasonable amount of time then attract this newly
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