Re: [PATCH -V2] acpi: don't cond_resched if irq is disabled

[Pavel Machek]

> >> If there are none, fine.
> >>     
> >>> #ifdef CONFIG_PREEMPT
> >>> # define preemptible()  (preempt_count() == 0 && !irqs_disabled())
> >>> # define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1)
> >>> #else
> >>> # define preemptible()  0
> >>> # define IRQ_EXIT_OFFSET HARDIRQ_OFFSET
> >>> #endif
> >>>       
> >
> > Well, normally we want low latency even for !CONFIG_PREEMPT kernels.
> >
> > Actually, explicit preemption points are NOPs for CONFIG_PREEMPT
> > kernels, right?

> Right. Do you have code?

I'd prefer to spend my time with patches to areas that actually do
take cleanup patches.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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