Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933071Ab3EOSWo (ORCPT ); Wed, 15 May 2013 14:22:44 -0400 Received: from mail-lb0-f172.google.com ([209.85.217.172]:51455 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932980Ab3EOSWm (ORCPT ); Wed, 15 May 2013 14:22:42 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Andy Lutomirski Date: Wed, 15 May 2013 11:22:20 -0700 Message-ID: Subject: Re: [PATCH v3 6/9] radeon: Switch to arch_phys_wc_add and add a missing ..._del To: Jerome Glisse Cc: Alex Deucher , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Daniel Vetter , Dave Airlie Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1344 Lines: 31 On Wed, May 15, 2013 at 7:49 AM, Jerome Glisse wrote: > On Tue, May 14, 2013 at 5:35 PM, Andy Lutomirski wrote: >> On Tue, May 14, 2013 at 6:37 AM, Jerome Glisse wrote: >>> On Tue, May 14, 2013 at 8:58 AM, Alex Deucher wrote: >>>> On Mon, May 13, 2013 at 7:58 PM, Andy Lutomirski wrote: >>>>> Reviewed-by: Daniel Vetter >>>>> Signed-off-by: Andy Lutomirski >>>> >>>> Reviewed-by: Alex Deucher >>> >>> I believe it will break something but we could deal with the fallout >>> once it happens. >> >> FWIW, I'm running with this code on my machine right now using the >> radeon driver. Everything seems fine. If I build without MTRRs and >> without PAT, though, graphics are slow (as expected). So I think >> everything's okay. >> >> --Andy > > I am worried on p4 where i last see issue with that notably with agp. Do you remember any details? It looks like PAT is enabled on Pentium 4 (i.e. famliy 0xF). --Andy -- 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/