Re: [PATCH][resubmit] x86: enable preemption in delay
From: Steven Rostedt
Date: Wed Jun 18 2008 - 12:16:35 EST
On Wed, 18 Jun 2008, Nick Piggin wrote:
> There are _some_ cases where it can be used, but nobody has been
> able to come up with compelling uses really. I don't think this
> case is helped very much either because the logic in there using
> preempt-disable is fine, isn't it?
>
> Except that it should also have a cond_resched in it. Seems like
> an ideal place to put cond_resched because it is not a fastpath.
>
Does it really need a cond_resched? preempt_enable when it goes to zero
will already check to see if it should schedule.
-- Steve
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