Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757733AbZDKRPy (ORCPT ); Sat, 11 Apr 2009 13:15:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754448AbZDKRPn (ORCPT ); Sat, 11 Apr 2009 13:15:43 -0400 Received: from mx2.redhat.com ([66.187.237.31]:49422 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754473AbZDKRPn (ORCPT ); Sat, 11 Apr 2009 13:15:43 -0400 Date: Sat, 11 Apr 2009 13:14:18 -0400 From: Kyle McMartin To: David Woodhouse Cc: Kyle McMartin , Matthew Garrett , Ingo Molnar , Andrew Lutomirski , Jesse Barnes , Fenghua Yu , Suresh Siddha , Yinghai Lu , Mark Gross , LKML Subject: Re: 2.6.29: can't resume from suspend with DMAR (intel iommu) enabled Message-ID: <20090411171418.GB14287@kibblesnbits.boston.devel.redhat.com> References: <20090324203259.GC26930@elte.hu> <1238003581.2085.53.camel@macbook.infradead.org> <20090325175908.GA25518@elte.hu> <1239051362.22733.87.camel@macbook.infradead.org> <20090407075640.GA16516@srcf.ucam.org> <1239429852.712.1532.camel@macbook.infradead.org> <20090411143834.GA14287@kibblesnbits.boston.devel.redhat.com> <1239468764.712.1546.camel@macbook.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1239468764.712.1546.camel@macbook.infradead.org> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 994 Lines: 23 On Sat, Apr 11, 2009 at 09:52:39AM -0700, David Woodhouse wrote: > > Does this include backporting the interrupt remapping fixes, or just > > ignoring it since none of the current laptop chipsets support it? > > The latter. What I've done so far is quite large for a -stable > submission already. The interrupt remapping stuff would be even more > intrusive, and I'm entirely unconvinced that we actually _need_ it for > current systems. > > I could make it refuse to suspend in intr_remap is enabled, I suppose -- > that would be simple enough. > Right, that's what I was afraid of. I think refusing to suspend is probably a good idea. I'm probably not the only person who suspends his desktop machines when they're not in use... regards, Kyle -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/