From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755215AbZLRR2z (ORCPT ); Fri, 18 Dec 2009 12:28:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754264AbZLRR2w (ORCPT ); Fri, 18 Dec 2009 12:28:52 -0500 Received: from outbound-mail-20.bluehost.com ([69.89.20.235]:44787 "HELO outbound-mail-20.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750771AbZLRR2v (ORCPT ); Fri, 18 Dec 2009 12:28:51 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References:X-Mailer:Mime-Version:Content-Type:Content-Transfer-Encoding:X-Identified-User; b=Lop9YTOSI2TVBvXJFH0m18Dzc3tRuPRAbSCr+9rjeXl6Jqrphs5xrQ+yC8JqCQiK5FI1wvoTrNMAl1N4PqpULdS/XJU04xjEZYasMX9qVmOSL7c411y1cfCQ0UJO5YBx; Date: Fri, 18 Dec 2009 09:28:14 -0800 From: Jesse Barnes To: Alexey Dobriyan Cc: tj@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-netdev@vger.kernel.org Subject: Re: intelligent CLS kills qemu's 8139cp Message-ID: <20091218092814.12b535b5@jbarnes-piketon> In-Reply-To: References: X-Mailer: Claws Mail 3.7.2 (GTK+ 2.18.3; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 75.111.28.251 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 18 Dec 2009 15:49:18 +0200 Alexey Dobriyan wrote: > After this patch qemu's 8139cp won't be initialized resulting in no > network. It einvals in pci_set_cacheline_size() where > pci_cache_line_size=0 > > PCI: CLS 0 bytes, default 32 > > ac1aa47b131416a6ff37eb1005a0a1d2541aad6c is first bad commit > commit ac1aa47b131416a6ff37eb1005a0a1d2541aad6c > Author: Jesse Barnes > Date: Mon Oct 26 13:20:44 2009 -0700 > > PCI: determine CLS more intelligently My for-linus branch has commit 2820f333e3b4ad96590093efbed7b3400bcf492b Author: Csaba Henk Date: Tue Dec 15 17:55:25 2009 +0530 PCI: Handle case when no pci device can provide cache line size hint which may fix this issue. You can grab my tree from git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 Jesse -- Jesse Barnes, Intel Open Source Technology Center