Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763857AbZDHUim (ORCPT ); Wed, 8 Apr 2009 16:38:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762502AbZDHUi3 (ORCPT ); Wed, 8 Apr 2009 16:38:29 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:53092 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757866AbZDHUi2 (ORCPT ); Wed, 8 Apr 2009 16:38:28 -0400 Date: Wed, 8 Apr 2009 16:38:23 -0400 From: Christoph Hellwig To: Kumar Gala Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, jeremy@goop.org, fujita.tomonori@lab.ntt.co.jp, ian.campbell@citrix.com, beckyb@kernel.crashing.org Subject: Re: [PATCH 4/7] swiotlb: Allow arch override of address_needs_mapping Message-ID: <20090408203823.GA14985@infradead.org> References: <1239199761-22886-1-git-send-email-galak@kernel.crashing.org> <1239199761-22886-2-git-send-email-galak@kernel.crashing.org> <1239199761-22886-3-git-send-email-galak@kernel.crashing.org> <1239199761-22886-4-git-send-email-galak@kernel.crashing.org> <1239199761-22886-5-git-send-email-galak@kernel.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1239199761-22886-5-git-send-email-galak@kernel.crashing.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 641 Lines: 15 On Wed, Apr 08, 2009 at 09:09:18AM -0500, Kumar Gala wrote: > From: Becky Bruce > > Some architectures require additional checking to determine > if a device can dma to an address and need to provide their > own address_needs_mapping.. Shouldn't we just move it completely to the arch? I think that ia64 and x86 currently use the same one is more of an accident. -- 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/