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

Zwane Mwaikambo
2005-12-16T02:40:27Z

On Thu, 15 Dec 2005, John Hawkes wrote:

> From: "Lee Revell" <rlrevell@joe-job.com>
> > 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 about 100usec non-preemptible sections?
> John Hawkes

100usec should be ok as a non-preemptible udelay is this 1 specific
driver?