From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030231AbWECQCG (ORCPT ); Wed, 3 May 2006 12:02:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030232AbWECQCG (ORCPT ); Wed, 3 May 2006 12:02:06 -0400 Received: from canuck.infradead.org ([205.233.218.70]:62159 "EHLO canuck.infradead.org") by vger.kernel.org with ESMTP id S1030231AbWECQCE (ORCPT ); Wed, 3 May 2006 12:02:04 -0400 Subject: Re: [RFC] Advanced XIP File System From: David Woodhouse To: Nicolas Pitre Cc: Jared Hulbert , Josh Boyer , lkml In-Reply-To: References: <6934efce0605021453l31a438c4j7c429e6973ab4546@mail.gmail.com> <625fc13d0605021756v7a8e0d7p1e9d8e4c810bc092@mail.gmail.com> <625fc13d0605030341h2a105f49r2b1b610547e30022@mail.gmail.com> <1146658275.20773.8.camel@pmac.infradead.org> <6934efce0605030845o6d313681x6b89bef71c28b3a9@mail.gmail.com> Content-Type: text/plain Date: Wed, 03 May 2006 17:01:58 +0100 Message-Id: <1146672118.20773.32.camel@pmac.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 (2.6.1-1.fc5.2.dwmw2.1) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by canuck.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2006-05-03 at 11:57 -0400, Nicolas Pitre wrote: > First, is it worth it? Quite possibly not. Even if you don't actually have kernel XIP, you may well decide just not to schedule userspace while the flash isn't in READ mode. Tearing down PTEs is painful. -- dwmw2