Re: [PATCH] ia64: disable preemption in udelay()

Zwane Mwaikambo
2005-12-16T02:37:15Z

On Thu, 15 Dec 2005, Lee Revell wrote:

> On Thu, 2005-12-15 at 17:52 -0800, Zwane Mwaikambo wrote:
> >
> > If it's a preemptible sleep period it should just use msleep.
>
> There are 10 drivers that udelay(10000) or more and a TON that
> udelay(1000). Turning those all into 1ms+ non preemptible sections will
> be very bad.

What i said was _msleep_, if the driver is sleeping for 10ms and it can
handle being preempted, you can switch it over to _msleep_. The original
post was regarding making udelay non-preemptible.