Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754101AbZIAPGe (ORCPT ); Tue, 1 Sep 2009 11:06:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753987AbZIAPGd (ORCPT ); Tue, 1 Sep 2009 11:06:33 -0400 Received: from smtp2.ultrahosting.com ([74.213.174.253]:54806 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753837AbZIAPGa (ORCPT ); Tue, 1 Sep 2009 11:06:30 -0400 Date: Tue, 1 Sep 2009 14:42:29 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@V090114053VZO-1 To: Roland Dreier cc: Thomas Gleixner , Gregory Haskins , Rik van Riel , Chris Friesen , raz ben yehuda , Andrew Morton , mingo@elte.hu, peterz@infradead.org, maximlevitsky@gmail.com, efault@gmx.de, wiseman@macs.biu.ac.il, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: Re: RFC: THE OFFLINE SCHEDULER In-Reply-To: Message-ID: References: <1251282598.3514.20.camel@raz> <1251297910.1791.22.camel@maxim-laptop> <1251322663.3882.48.camel@raz> <4A96B997.1070001@nortel.com> <4A97071F.5070804@novell.com> <4A973DAE.4020508@redhat.com> <4A975025.8030500@novell.com> <4A975CC4.1090208@novell.com> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) 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: 5528 Lines: 92 On Mon, 31 Aug 2009, Roland Dreier wrote: > > > Some devices now have per cpu threads. See f.e. Mellanox IB drivers. Maybe > > there is a way to restrict that. > > AFAIK the Mellanox drivers just create a single-threaded workqueue. Ok then these per cpu irqs are there to support something different? There are per cpu irqs here. Seems to be hardware supported? 62: 13824 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-0 63: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-1 64: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-2 65: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-3 66: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-4 67: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-5 68: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-6 69: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-7 70: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-8 71: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-9 72: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-10 73: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-11 74: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-12 75: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-13 76: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-14 77: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-comp-15 78: 3225 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge mlx4-async 79: 1832 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-0 80: 5546 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-1 81: 2604 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-2 82: 124 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-3 83: 743126 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-4 84: 857 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-5 85: 321 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-6 86: 2296 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 IR-PCI-MSI-edge eth0-7 -- 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/