From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753821Ab1JJLuc (ORCPT ); Mon, 10 Oct 2011 07:50:32 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:52219 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753799Ab1JJLub (ORCPT ); Mon, 10 Oct 2011 07:50:31 -0400 Date: Mon, 10 Oct 2011 13:48:40 +0200 From: Ingo Molnar To: richard -rw- weinberger Cc: Andrew Lutomirski , Linus Torvalds , Adrian Bunk , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [3.1 patch] x86: default to vsyscall=native Message-ID: <20111010114840.GC17079@elte.hu> References: <20111005223055.GG14406@localhost.pp.htv.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * richard -rw- weinberger wrote: > From UML's point of view the current situation is odd. UML will no > longer run on top of a default 3.1 kernel. This needs to be fixed (perhaps worked around in UML if that's possible and if you agree with that) - or barring a real obvious fix needs to be reverted to the last-known-working state. We are in -rc9 so nothing but really, really obvious patches can be applied. > Why is this odd? One of the major reasons why people are still > using UML is because you can run it as non-privileged user on any > x86 Linux host. An user which has root privileges can setup and use > KVM which is much nicer than UML... No, your complaint is entirely justified. Andrew? Thanks, Ingo