From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russ Anderson Date: Fri, 24 Jun 2005 21:36:02 +0000 Subject: Re: [patch] Memory Error Handling Improvement Message-Id: <200506242136.j5OLa2p8933745@clink.americas.sgi.com> List-Id: References: <200506231730.j5NHUNa96698484@clink.americas.sgi.com> In-Reply-To: <200506231730.j5NHUNa96698484@clink.americas.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org David Mosberger wrote: > > >> Fine, but what about stores? > > Tony> Stores have too many extra levels of buffering to have much > Tony> hope. But just because we can't help the store case doesn't > Tony> mean that we shouldn't do something about the load case. > > Fine, but what about my suggestion of just presuming that the access > came for user-level unless you can prove otherwise? The key question is how to prove otherwise. Ironicly, my concern was this patch would be seen as too aggressive and therefore risky. So the patch is limited to the interrupt case, which seemed to be a heavy hitter in testing. I hadn't expected pushback for not being aggressive enough. :-) -- Russ Anderson, OS RAS/Partitioning Project Lead SGI - Silicon Graphics Inc rja@sgi.com