Subject: Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch
From: Andrew Morton (akpm_AT_osdl.org)
Date: Wed Jul 14 2004 - 00:54:24 EEST
Andrea Arcangeli <andrea_AT_suse.de> wrote:
>
> On Tue, Jul 13, 2004 at 11:48:29AM -0700, Andrew Morton wrote:
> > sys_sched_yield() also calls schedule() with local interrupts disabled.
> > It's a bit grubby, but saves a few cycles. Nick and Ingo prefer it that way.
>
> we can remove the irqs_disabled() check in might_sleep then, I'd like to
> call might_sleep from cond_resched.
Confused. Where do we call cond_resched() with local interrupts disabled?
Sleeping with local interrupts disabled is usually a bug, so we should prefer
to keep that check in might_sleep().
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