From mboxrd@z Thu Jan 1 00:00:00 1970 From: jbarnes@sgi.com (Jesse Barnes) Date: Mon, 24 Nov 2003 21:13:05 +0000 Subject: Re: udelay() & preemption & drifty ITCs Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Mon, Nov 24, 2003 at 01:00:43PM -0800, Jesse Barnes wrote: > On Sun, Nov 23, 2003 at 02:39:29PM -0800, Jesse Barnes wrote: > > Yep, it appears so. I guess we need a 'preempt_disable/disable()' pair > > around the itc access. Of course, callers under a spinlock are already > > protected, so maybe exposure to this problem isn't that large? > > Here's the patch. Compiles and boots, but I haven't made a test module > that illustrates this bug, so I haven't tested it. Ugg, where did I keep my brown paper bags? Ignore this patch, I'll post another in a minute. Jesse