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SubjectRe: [PATCH] msleep() with hrtimers
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Date
On Mon, 2007-08-06 at 12:03 +0200, Roman Zippel wrote:
> Hi,
>
> On Sun, 5 Aug 2007, Arjan van de Ven wrote:
>
> > > There's no problem to provide a high resolution sleep, but there is also
> > > no reason to mess with msleep, don't fix what ain't broken...
> >
> > John Corbet provided the patch because he had a problem with the current
> > msleep... in that it didn't provide as good a common case as he
> > wanted... so I think your statement is wrong ;)
>
> Only under the assumptation, that msleep _must_ be "fixed" for all other
> current users too.
> Give users a choice to use msleep or nanosleep, how do you know what's
> "best" for them?

do you have any actual technical objections, or do you just hate
hrtimers in general?

I really don't see what you hate so much about making the msleep()
implementation provide a more precise (typical sleep time of 1msec
rather than 20msec) behavior than the current one. Trying to distract
that by proposing a very different API (working on a totally different
time unit, while a lot of kernel users are using miliseconds; don't get
me wrong, a usleep() and nsleep() might be useful if there's users that
want to sleep in such times) is just trying to distract the issue.

So, let me ask a direct question: What do you think is specifically
wrong about changing the msleep() implementation as is done here? The
behavior is clearly an improvement, so what is your objection on the
flipside?

--
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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