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Merge branch 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'irq-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Wake up irq thread after action has been installed
This commit is contained in:
Linus Torvalds 2009-08-18 13:57:38 -07:00
commit dcd94dbdaf
1 changed files with 8 additions and 2 deletions
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10
kernel/irq/manage.c
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@ -607,7 +607,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
*/ */
get_task_struct(t); get_task_struct(t);
new->thread = t; new->thread = t;
wake_up_process(t);
} }
/* /*
@ -690,6 +689,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
(int)(new->flags & IRQF_TRIGGER_MASK)); (int)(new->flags & IRQF_TRIGGER_MASK));
} }
new->irq = irq;
*old_ptr = new; *old_ptr = new;
/* Reset broken irq detection when installing new handler */ /* Reset broken irq detection when installing new handler */
@ -707,7 +707,13 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
spin_unlock_irqrestore(&desc->lock, flags); spin_unlock_irqrestore(&desc->lock, flags);
new->irq = irq; /*
* Strictly no need to wake it up, but hung_task complains
* when no hard interrupt wakes the thread up.
*/
if (new->thread)
wake_up_process(new->thread);
register_irq_proc(irq, desc); register_irq_proc(irq, desc);
new->dir = NULL; new->dir = NULL;
register_handler_proc(irq, new); register_handler_proc(irq, new);