From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261368AbVFGC3G (ORCPT ); Mon, 6 Jun 2005 22:29:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261469AbVFGC3F (ORCPT ); Mon, 6 Jun 2005 22:29:05 -0400 Received: from webmail.topspin.com ([12.162.17.3]:26808 "EHLO exch-1.topspincom.com") by vger.kernel.org with ESMTP id S261368AbVFGC2z (ORCPT ); Mon, 6 Jun 2005 22:28:55 -0400 To: Greg KH Cc: tom.l.nguyen@intel.com, linux-pci@atrey.karlin.mff.cuni.cz, linux-kernel@vger.kernel.org, davem@davemloft.net Subject: Re: pci_enable_msi() for everyone? X-Message-Flag: Warning: May contain useful information References: <20050603224551.GA10014@kroah.com> <524qcft3m6.fsf@topspin.com> <20050606225826.GB11184@suse.de> From: Roland Dreier Date: Mon, 06 Jun 2005 17:23:17 -0700 In-Reply-To: <20050606225826.GB11184@suse.de> (Greg KH's message of "Mon, 6 Jun 2005 15:58:26 -0700") Message-ID: <52acm3j9qi.fsf@topspin.com> User-Agent: Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Jumbo Shrimp, linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 07 Jun 2005 02:28:53.0887 (UTC) FILETIME=[A60038F0:01C56B08] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Greg> Motherboard quirks are one thing. Broken devices are a Greg> totally different thing. If there are too many of them, Greg> then the current situation is acceptable to me. Does ib Greg> have devices that will break with MSI? Yes, I believe some versions of the firmware for Mellanox HCAs have problems with MSI. Greg> In looking at that, I don't see a way to get rid of the msix Greg> stuff. So that's probably just going to stay the same. OK -- we'll just have to make sure that the switch from MSI mode to MSI-X mode is implementated correctly. - R.