Messages in this thread | | | Date | Wed, 21 May 2008 12:41:32 +0200 | From | Pavel Machek <> | Subject | Re: better msleep for drivers |
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Hi!
> > Still longer term I suppose there's really no way around having accurate > > sleep functions and it's probably better to start testing earlier than later. > > No objections, but we should not do that with a stupid msleep > replacement interface; instead we should expose a flexible in kernel > variant of hrtimer_nanosleep() which lets the user utilize > ABS/REL_TIME and the different clocks. A msleep helper can be built on > top of this very easily.
While you are at it... it would be cool to have
'mdelay(2500 msec), but it is okay to wait 100msec more' -- type interface, so we could use that for nohz benefit.
Currently, mdelay is 'it is okay to wait 10msec more' interface, and it would be nice to have that explicit.
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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