Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759273AbYB1AxR (ORCPT ); Wed, 27 Feb 2008 19:53:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751907AbYB1AxD (ORCPT ); Wed, 27 Feb 2008 19:53:03 -0500 Received: from host36-195-149-62.serverdedicati.aruba.it ([62.149.195.36]:42875 "EHLO mx.cpushare.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752038AbYB1AxB (ORCPT ); Wed, 27 Feb 2008 19:53:01 -0500 Date: Thu, 28 Feb 2008 01:52:50 +0100 From: Andrea Arcangeli To: Christoph Lameter Cc: Nick Piggin , akpm@linux-foundation.org, Robin Holt , Avi Kivity , Izik Eidus , kvm-devel@lists.sourceforge.net, Peter Zijlstra , general@lists.openfabrics.org, Steve Wise , Roland Dreier , Kanoj Sarcar , steiner@sgi.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, daniel.blueman@quadrics.com Subject: Re: [patch 2/6] mmu_notifier: Callbacks to invalidate address ranges Message-ID: <20080228005249.GF8091@v2.random> References: <20080215064859.384203497@sgi.com> <20080215064932.620773824@sgi.com> <200802201008.49933.nickpiggin@yahoo.com.au> <20080228001104.GB8091@v2.random> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 635 Lines: 12 On Wed, Feb 27, 2008 at 04:14:08PM -0800, Christoph Lameter wrote: > Erm. This would also be needed by RDMA etc. The only RDMA I know is Quadrics, and Quadrics apparently doesn't need to schedule inside the invalidate methods AFIK, so I doubt the above is true. It'd be interesting to know if IB is like Quadrics and it also doesn't require blocking to invalidate certain remote mappings. -- 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/