From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752908Ab2JAWAt (ORCPT ); Mon, 1 Oct 2012 18:00:49 -0400 Received: from terminus.zytor.com ([198.137.202.10]:50712 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752605Ab2JAWAs (ORCPT ); Mon, 1 Oct 2012 18:00:48 -0400 Message-ID: <506A1279.6030309@zytor.com> Date: Mon, 01 Oct 2012 15:00:25 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0 MIME-Version: 1.0 To: Borislav Petkov , Pierre Beck , linux-kernel@vger.kernel.org Subject: Re: 3.6-rc7 32-bit PAE miscalculates dirty page limits References: <5068130A.4050602@pierre-beck.de> <506894D5.5060101@zytor.com> <506A06B6.50800@pierre-beck.de> <20121001215202.GB19126@liondog.tnic> <506A10E4.80905@zytor.com> <20121001215936.GC19126@liondog.tnic> In-Reply-To: <20121001215936.GC19126@liondog.tnic> X-Enigmail-Version: 1.4.3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/01/2012 02:59 PM, Borislav Petkov wrote: > On Mon, Oct 01, 2012 at 02:53:40PM -0700, H. Peter Anvin wrote: >> It is very sad, though, that there are still drivers which don't work >> correctly in compat mode. Please report bugs on those -- that is just >> not acceptable. >> >> Unfortunately few distros provide 64-bit kernels for their 32-bit >> distros, which acerbates the problem. > > Yes, the other way 'round, 32-bit userspace on 64-bit kernels should > work. And fixed if not. > That is the same way around (32-bit kernel, 64-bit userspace obviously is a nonstarter.) -hpa