From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brent Casavant Date: Wed, 25 Jan 2006 00:10:31 +0000 Subject: RE: [PATCH] SN2 user-MMIO CPU migration Message-Id: <20060124175543.K90635@chenjesu.americas.sgi.com> List-Id: References: <20060118163305.Y42462@chenjesu.americas.sgi.com> In-Reply-To: <20060118163305.Y42462@chenjesu.americas.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Tue, 24 Jan 2006, Chen, Kenneth W wrote: > Brent Casavant wrote on Tuesday, January 24, 2006 3:29 PM > > Take 4. Moved "really migrated?" check as late as possible in > > __switch_task(), and moved thread_info last_cpu field closer to > > flags and cpu fields. Some nomenclature changes as well. > > I think you should seriously consider my other proposal :-) Well... if Ingo is amenable to the arch hook in the scheduler, I'm OK with changing directions. Again. :-) The arch hook would be a lot simpler this time -- simply setting a flag instead of performing the PIO write drain. Not sure if that's enough to argue in favor of the hook or not. Truth be told, I have no strong preference either way. I'd just like to break out of this Brownian motion. :-) Brent -- Brent Casavant All music is folk music. I ain't bcasavan@sgi.com never heard a horse sing a song. Silicon Graphics, Inc. -- Louis Armstrong