Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261932AbUK3C0I (ORCPT ); Mon, 29 Nov 2004 21:26:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261952AbUK3CZj (ORCPT ); Mon, 29 Nov 2004 21:25:39 -0500 Received: from mail-relay-4.tiscali.it ([213.205.33.44]:19924 "EHLO mail-relay-4.tiscali.it") by vger.kernel.org with ESMTP id S261932AbUK3CVW (ORCPT ); Mon, 29 Nov 2004 21:21:22 -0500 Date: Tue, 30 Nov 2004 03:21:05 +0100 From: Andrea Arcangeli To: Ian Pratt Cc: linux-kernel@vger.kernel.org, Steven.Hand@cl.cam.ac.uk, Christian.Limpach@cl.cam.ac.uk, Keir.Fraser@cl.cam.ac.uk, akpm@osdl.org Subject: Re: [1/7] Xen VMM #3: add ptep_establish_new to make va available Message-ID: <20041130022105.GL4365@dualathlon.random> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-GPG-Key: 1024D/68B9CB43 13D9 8355 295F 4823 7C49 C012 DFA1 686E 68B9 CB43 X-PGP-Key: 1024R/CB4660B9 CC A0 71 81 F4 A0 63 AC C0 4B 81 1D 8C 15 C8 E5 User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 839 Lines: 18 On Tue, Nov 30, 2004 at 02:06:02AM +0000, Ian Pratt wrote: > > This patch adds 'ptep_establish_new', in keeping with the > existing 'ptep_establish', but for use where a mapping is being > established where there was previously none present. This > function is useful (rather than just using set_pte) because > having the virtual address available enables a very important > optimisation for arch-xen. We introduce > HAVE_ARCH_PTEP_ESTABLISH_NEW and define a generic implementation > in asm-generic/pgtable.h, following the pattern of the existing > ptep_establish. this certainly is correct. - 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/