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Merge branches 'core-urgent-for-linus' and 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  slab, lockdep: Fix silly bug

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Fix race condition when stopping the irq thread
This commit is contained in:
Linus Torvalds 2011-12-05 16:51:21 -08:00
parent 7125faceab 52cef18916 550acb1926
commit f14aa871c7
2 changed files with 8 additions and 2 deletions
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5
kernel/irq/manage.c
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@ -623,8 +623,9 @@ static irqreturn_t irq_nested_primary_handler(int irq, void *dev_id)
static int irq_wait_for_interrupt(struct irqaction *action)
{
set_current_state(TASK_INTERRUPTIBLE);
while (!kthread_should_stop()) {
set_current_state(TASK_INTERRUPTIBLE);
if (test_and_clear_bit(IRQTF_RUNTHREAD,
&action->thread_flags)) {
@ -632,7 +633,9 @@ static int irq_wait_for_interrupt(struct irqaction *action)
return 0;
}
schedule();
set_current_state(TASK_INTERRUPTIBLE);
}
__set_current_state(TASK_RUNNING);
return -1;
}

5
mm/slab.c
View File

@ -595,6 +595,7 @@ static enum {
PARTIAL_AC,
PARTIAL_L3,
EARLY,
LATE,
FULL
} g_cpucache_up;
@ -671,7 +672,7 @@ static void init_node_lock_keys(int q)
{
struct cache_sizes *s = malloc_sizes;
if (g_cpucache_up != FULL)
if (g_cpucache_up < LATE)
return;
for (s = malloc_sizes; s->cs_size != ULONG_MAX; s++) {
@ -1666,6 +1667,8 @@ void __init kmem_cache_init_late(void)
{
struct kmem_cache *cachep;
g_cpucache_up = LATE;
/* Annotate slab for lockdep -- annotate the malloc caches */
init_lock_keys();