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

From: Zwane Mwaikambo <zwane_at_arm.linux.org.uk>
Date: 2005-12-16 13:37:15
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.
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Received on Fri Dec 16 13:32:31 2005

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