Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755354Ab1CHWNp (ORCPT ); Tue, 8 Mar 2011 17:13:45 -0500 Received: from www.tglx.de ([62.245.132.106]:37538 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755036Ab1CHWNn (ORCPT ); Tue, 8 Mar 2011 17:13:43 -0500 Date: Tue, 8 Mar 2011 23:13:18 +0100 (CET) From: Thomas Gleixner To: "H. Peter Anvin" cc: Micha Nelissen , Jesse Barnes , Ingo Molnar , x86@kernel.org, "Venkatesh Pallipadi (Venki)" , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Matthew Wilcox Subject: Re: [PATCH] Add support for multiple MSI on x86 In-Reply-To: <71ed11a4-aff7-4eb6-b037-0e097bb96444@email.android.com> Message-ID: References: <4D583E31.4070507@neli.hopto.org> <20110304103634.4641ae36@jbarnes-desktop> <4D714357.3010807@neli.hopto.org> <35bd5f56-658b-48e3-a376-b07350a29cf6@email.android.com> <71ed11a4-aff7-4eb6-b037-0e097bb96444@email.android.com> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 568 Lines: 17 On Tue, 8 Mar 2011, H. Peter Anvin wrote: > You said MSI-X has replaced MSI, which is true of course but doesn't > change older devices in the field. I know, but not for the price of nested loops over nr of cpus with locks held and interrupts disabled implemented with a metric sh*tload of horrible code. Thanks, tglx -- 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/