Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757527AbYAPBGT (ORCPT ); Tue, 15 Jan 2008 20:06:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752074AbYAPBGH (ORCPT ); Tue, 15 Jan 2008 20:06:07 -0500 Received: from il.qumranet.com ([82.166.9.18]:36064 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751220AbYAPBGF (ORCPT ); Tue, 15 Jan 2008 20:06:05 -0500 Date: Wed, 16 Jan 2008 02:06:01 +0100 From: Andrea Arcangeli To: Benjamin Herrenschmidt Cc: Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm-devel@lists.sourceforge.net, Avi Kivity , Izik Eidus , daniel.blueman@quadrics.com, holt@sgi.com, steiner@sgi.com, Andrew Morton , Hugh Dickins , Nick Piggin Subject: Re: [PATCH] mmu notifiers #v2 Message-ID: <20080116010601.GF7059@v2.random> References: <20080113162418.GE8736@v2.random> <20080115124449.GK30812@v2.random> <1200428333.6755.0.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1200428333.6755.0.camel@pasglop> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 11 On Wed, Jan 16, 2008 at 07:18:53AM +1100, Benjamin Herrenschmidt wrote: > Do you have cases where it's -not- called with the PTE lock held ? For invalidate_page no because currently it's only called next to the ptep_get_and_clear that modifies the pte and requires the pte lock. invalidate_range/release are called w/o pte lock held. -- 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/