Messages in this thread | | | Date | Tue, 7 Aug 2007 16:29:40 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] msleep() with hrtimers |
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On Wed, 8 Aug 2007 01:16:49 +0200 (CEST) Roman Zippel <zippel@linux-m68k.org> wrote:
> Hi, > > On Tue, 7 Aug 2007, Andrew Morton wrote: > > > I'd be surprised if there was significant overhead - the maximum frequency > > at which msleep() can be called is 1000Hz. We'd need an awful lot of > > overhead for that to cause problems, surely? > > > > <thinks he's missing something again> > > _Anybody_ has yet to answer what's wrong with adding a nanosleep() and > using that instead. >
You mean that the implementation could be simplified if msleep() were to simply call do_nanosleep()?
That would work, although a bit of refactoring would be needed so that we could implement the TASK_UNINTERRUPTIBLE msleep() that way.
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