Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755604Ab0LJLyr (ORCPT ); Fri, 10 Dec 2010 06:54:47 -0500 Received: from charlotte.tuxdriver.com ([70.61.120.58]:46543 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755508Ab0LJLyq (ORCPT ); Fri, 10 Dec 2010 06:54:46 -0500 Date: Fri, 10 Dec 2010 06:54:41 -0500 From: Neil Horman To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, kexec@lists.infradead.org, Vivek Goyal , Jesse Barnes , stable@kernel.org Subject: Re: [PATCH] Update MCP55 quirk to not affect non HyperTransport variants Message-ID: <20101210115441.GB13606@hmsreliant.think-freely.org> References: <1291819668-15624-1-git-send-email-nhorman@tuxdriver.com> <20101209154041.8a54dba8.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101209154041.8a54dba8.akpm@linux-foundation.org> User-Agent: Mutt/1.5.20 (2009-08-17) X-Spam-Score: -4.2 (----) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1866 Lines: 40 On Thu, Dec 09, 2010 at 03:40:41PM -0800, Andrew Morton wrote: > On Wed, 8 Dec 2010 09:47:48 -0500 > Neil Horman wrote: > > > I wrote this quirk awhile ago to properly setup MCP55 chips on hypertransport > > busses so that interrupts reached whatever cpu happend to boot the kdump kernel. > > while that works well, it was recently shown to me that a a non-hypertransport > > variant of the MCP55 exists, and on those system the register that this quirk > > manipulates causes hangs if you write to it. Since the quirk was only meant to > > handle errors found on MCP55 chips that have a HT interface, this patch adds a > > filter to make sure the chip is an HT capable before making the needed register > > adjustment. This lets the broken MCP55s work with kdump while not breaking the > > non-HT variants. > > > > Resolves https://bugzilla.kernel.org/show_bug.cgi?id=23952 > > > > Tested successfully by the reporter and myself. > > > > Reported-by: Mathieu B__rard > > CC: linux-pci@vger.kernel.org > > CC: kexec@lists.infradead.org > > CC: Vivek Goyal > > CC: Jesse Barnes > > Signed-off-by: Neil Horman > > That needed a Cc: as well. Please don't forget to > remember -stable. Thanks, Cc'ing stable on the thread > -- > 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/ > -- 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/