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

From: Zwane Mwaikambo
Date: Thu Dec 15 2005 - 21:34:19 EST


On Thu, 15 Dec 2005, John Hawkes wrote:

> From: "Lee Revell" <rlrevell@xxxxxxxxxxx>
> > 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?

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