From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267462AbUHDWYM (ORCPT ); Wed, 4 Aug 2004 18:24:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267463AbUHDWYM (ORCPT ); Wed, 4 Aug 2004 18:24:12 -0400 Received: from mail5.tpgi.com.au ([203.12.160.101]:9883 "EHLO mail5.tpgi.com.au") by vger.kernel.org with ESMTP id S267462AbUHDWYI (ORCPT ); Wed, 4 Aug 2004 18:24:08 -0400 Subject: Re: MTRR driver model support broken on SMP. From: Nigel Cunningham Reply-To: ncunningham@linuxmail.org To: Zwane Mwaikambo Cc: Linux Kernel Mailing List In-Reply-To: References: <1091585241.3303.6.camel@laptop.cunninghams> <1091596967.3189.86.camel@laptop.cunninghams> <1091597484.3191.90.camel@laptop.cunninghams> Content-Type: text/plain Message-Id: <1091658271.2963.6.camel@laptop.cunninghams> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6-1mdk Date: Thu, 05 Aug 2004 08:24:32 +1000 Content-Transfer-Encoding: 7bit X-TPG-Antivirus: Passed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi. On Thu, 2004-08-05 at 07:15, Zwane Mwaikambo wrote: > On Wed, 4 Aug 2004, Nigel Cunningham wrote: > > > Okay. So the question then is how to get them restored. I don't > > understand much about the driver model, but it seems to me that all we > > should need it get to mtrr save/restore done from the Wow. That's atrocious typing. Think more, type slower :> > > drivers_suspend/resume calls, which do have interrupts enabled. But how > > to achieve that... > > Indeed, i can't see an easy way without writing it up as a "normal" > driver. It'd be nice if we could avoid adding more infrastructure, i'll > give it some more thought. Me too. I have another patch I'm finishing off, then I'll see if I can come up with one for this. Nigel