From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934178AbYA2UCr (ORCPT ); Tue, 29 Jan 2008 15:02:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757421AbYA2UCG (ORCPT ); Tue, 29 Jan 2008 15:02:06 -0500 Received: from relay1.sgi.com ([192.48.171.29]:46398 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757368AbYA2UCD (ORCPT ); Tue, 29 Jan 2008 15:02:03 -0500 Date: Tue, 29 Jan 2008 12:02:01 -0800 (PST) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Robin Holt cc: Andrea Arcangeli , Avi Kivity , Izik Eidus , Nick Piggin , kvm-devel@lists.sourceforge.net, Benjamin Herrenschmidt , Peter Zijlstra , steiner@sgi.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, daniel.blueman@quadrics.com, Hugh Dickins Subject: Re: [patch 6/6] mmu_notifier: Add invalidate_all() In-Reply-To: <20080129163158.GX3058@sgi.com> Message-ID: References: <20080128202840.974253868@sgi.com> <20080128202924.810792591@sgi.com> <20080129163158.GX3058@sgi.com> 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 On Tue, 29 Jan 2008, Robin Holt wrote: > What is the status of getting invalidate_all adjusted to indicate a need > to also call _release? Release is only called if the mmu_notifier is still registered. If you take it out on invalidate_all then there will be no call to release (provided you deal with the RCU issues).