Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761476AbYB0W4w (ORCPT ); Wed, 27 Feb 2008 17:56:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755554AbYB0W4o (ORCPT ); Wed, 27 Feb 2008 17:56:44 -0500 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:52568 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754690AbYB0W4n (ORCPT ); Wed, 27 Feb 2008 17:56:43 -0500 Date: Wed, 27 Feb 2008 14:56:37 -0800 (PST) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Nick Piggin cc: Andrea Arcangeli , 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] my mmu notifiers In-Reply-To: <20080219231157.GC18912@wotan.suse.de> Message-ID: References: <20080219084357.GA22249@wotan.suse.de> <20080219135851.GI7128@v2.random> <20080219231157.GC18912@wotan.suse.de> 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: 549 Lines: 13 On Wed, 20 Feb 2008, Nick Piggin wrote: > But why does _anybody_ (why does Christoph's patches) need to invalidate > when they are going to be more permissive? This should be done lazily by > the driver, I would have thought. Correct. If you find such places then we can avoid the invalidates there. -- 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/