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SMP: I think we have to spinlock before we are possibly suspended

This commit is contained in:
Gregory Nutt 2016-02-15 10:15:07 -06:00
parent 3c46fa3f9f
commit 8399938138
1 changed files with 6 additions and 6 deletions
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12
sched/irq/irq_csection.c
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@ -170,6 +170,12 @@ void leave_critical_section(irqstate_t flags)
} }
else else
{ {
/* NO.. Release the spinlock to allow other access. */
g_cpu_irqset &= ~(1 << this_cpu());
rtcb->irqcount = 0;
spin_unlock(g_cpu_irqlock);
/* Release any ready-to-run tasks that have collected in /* Release any ready-to-run tasks that have collected in
* g_pendingtasks if the scheduler is not locked. * g_pendingtasks if the scheduler is not locked.
* *
@ -181,12 +187,6 @@ void leave_critical_section(irqstate_t flags)
{ {
up_release_pending(); up_release_pending();
} }
/* NO.. Release the spinlock to allow other access. */
g_cpu_irqset &= ~(1 << this_cpu());
rtcb->irqcount = 0;
spin_unlock(g_cpu_irqlock);
} }
/* Restore the previous interrupt state which may still be interrupts /* Restore the previous interrupt state which may still be interrupts