Re: [RFC][PATCH] irq_work
From: Peter Zijlstra
Date: Thu Jun 24 2010 - 03:20:08 EST
On Thu, 2010-06-24 at 15:04 +0800, Huang Ying wrote:
> Yes. NMI is there from 8259 age.
But do we really care about such systems?
> That is possible. But in NO_HZ system, we have no tick to rely on.
Of course you have, you can delay the NO_HZ state when there's pending
callbacks, that's all of 1 line.
> soft_irq is better here, because it will be triggered for any interrupt.
Well, you can do the callbacks from irq_exit() as well, that's no
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