Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933170AbXLNEc5 (ORCPT ); Thu, 13 Dec 2007 23:32:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760703AbXLNEct (ORCPT ); Thu, 13 Dec 2007 23:32:49 -0500 Received: from sj-iport-2-in.cisco.com ([171.71.176.71]:15105 "EHLO sj-iport-2.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755754AbXLNEcr (ORCPT ); Thu, 13 Dec 2007 23:32:47 -0500 To: ebiederm@xmission.com (Eric W. Biederman) Cc: venkatesh.pallipadi@intel.com, ak@muc.de, torvalds@linux-foundation.org, gregkh@suse.de, airlied@skynet.ie, davej@redhat.com, mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com, akpm@linux-foundation.org, arjan@infradead.org, jesse.barnes@intel.com, linux-kernel@vger.kernel.org, Suresh Siddha Subject: Re: [RFC PATCH 06/12] PAT 64b: Add ioremap_wc support X-Message-Flag: Warning: May contain useful information References: <20071213235543.568682000@intel.com> <20071213235712.339088000@intel.com> From: Roland Dreier Date: Thu, 13 Dec 2007 20:32:45 -0800 In-Reply-To: (Eric W. Biederman's message of "Thu, 13 Dec 2007 21:28:23 -0700") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) XEmacs/21.4.20 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 14 Dec 2007 04:32:45.0585 (UTC) FILETIME=[5FAD5810:01C83E0A] Authentication-Results: sj-dkim-1; header.From=rdreier@cisco.com; dkim=pass ( sig from cisco.com/sjdkim1004 verified; ); Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 578 Lines: 16 > > Also I didn't see anything like pgprot_wc() in the patchset (although > pgprot_writcombined. Oh I see it now (pgprot_writecombine() actually). However the same comment as before applies: there needs to be a fallback to pgprot_noncached() for all other architectures so that drivers can actually use it in a sane way. - R. -- 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/