Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762026AbYJJQ3Y (ORCPT ); Fri, 10 Oct 2008 12:29:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759921AbYJJQ3F (ORCPT ); Fri, 10 Oct 2008 12:29:05 -0400 Received: from outbound-mail-122.bluehost.com ([67.222.38.22]:37925 "HELO outbound-mail-122.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1759446AbYJJQ3E (ORCPT ); Fri, 10 Oct 2008 12:29:04 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id:X-Identified-User; b=H/1DsluFxWDP8xUGPCmMlKjMu3E8mS9mXzIf3E+yMIBky1dqsn8N8nRTzaWEgM2bpl4Z9oq7GXDnchIyQbku9n/rzix8uzOguzFKIpHGOlqqh8nY0mCW7cpseNyVaXkN; From: Jesse Barnes To: "Yinghai Lu" Subject: Re: [PATCH] pci: print out DMA mask info Date: Fri, 10 Oct 2008 09:28:40 -0700 User-Agent: KMail/1.9.10 Cc: "FUJITA Tomonori" , grundler@parisc-linux.org, mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org References: <1223506943-6543-1-git-send-email-yinghai@kernel.org> <200810100848.09557.jbarnes@virtuousgeek.org> <86802c440810100919xf79f406x403988da7988edc9@mail.gmail.com> In-Reply-To: <86802c440810100919xf79f406x403988da7988edc9@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200810100928.41992.jbarnes@virtuousgeek.org> X-Identified-User: {642:box128.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 75.111.27.49 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 652 Lines: 19 On Friday, October 10, 2008 9:19 am Yinghai Lu wrote: > another command line parameter for debug? Sure, why not? :) > anyway looking at dma_mask print out is interesting..., some uses 39, > and some use 44bits... Yeah, many devices have limitations that prevent them from doing full 64 or 32 bit address cycles, so you'll see all sorts of values. -- Jesse Barnes, Intel Open Source Technology Center -- 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/