Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750734AbWKBQ5c (ORCPT ); Thu, 2 Nov 2006 11:57:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750836AbWKBQ5c (ORCPT ); Thu, 2 Nov 2006 11:57:32 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:10151 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1750734AbWKBQ5b (ORCPT ); Thu, 2 Nov 2006 11:57:31 -0500 Subject: Re: Can Linux live without DMA zone? From: Arjan van de Ven To: Phillip Susi Cc: Jun Sun , linux-kernel@vger.kernel.org In-Reply-To: <454A1D82.7040709@cfl.rr.com> References: <20061102021547.GA1240@srv.junsun.net> <454A1D82.7040709@cfl.rr.com> Content-Type: text/plain Organization: Intel International BV Date: Thu, 02 Nov 2006 17:57:22 +0100 Message-Id: <1162486642.14530.64.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.8.0 (2.8.0-7.fc6) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 821 Lines: 18 On Thu, 2006-11-02 at 11:32 -0500, Phillip Susi wrote: > Shouldn't only ancient ISA drivers be using GFP_DMA? You know, ones > that actually require it? PCI drivers should not have this limit. that is a nice theory, but unfortunately there is just a lot of "PCI" hardware out there for which the designers decided to save a bit of copper and only wire up the lower X address lines (for various values of X) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - 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/