nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Updated from Linux LTS 3.10.25 to 3.10.26

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Nathan
2025-04-09 20:15:34 -05:00
parent 92cb237c3b
commit c205d496ee
118 changed files with 902 additions and 407 deletions
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14
kernel/sched/core.c
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@@ -1488,7 +1488,13 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
unsigned long flags;
int cpu, success = 0;
smp_wmb();
/*
* If we are going to wake up a thread waiting for CONDITION we
* need to ensure that CONDITION=1 done by the caller can not be
* reordered with p->state check below. This pairs with mb() in
* set_current_state() the waiting thread does.
*/
smp_mb__before_spinlock();
raw_spin_lock_irqsave(&p->pi_lock, flags);
if (!(p->state & state))
goto out;
@@ -2995,6 +3001,12 @@ need_resched:
if (sched_feat(HRTICK))
hrtick_clear(rq);
/*
* Make sure that signal_pending_state()->signal_pending() below
* can't be reordered with __set_current_state(TASK_INTERRUPTIBLE)
* done by the caller to avoid the race with signal_wake_up().
*/
smp_mb__before_spinlock();
raw_spin_lock_irq(&rq->lock);
switch_count = &prev->nivcsw;