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SubjectRe: [PATCH] msleep() with hrtimers
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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