Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751089AbWEVRqx (ORCPT ); Mon, 22 May 2006 13:46:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751090AbWEVRqx (ORCPT ); Mon, 22 May 2006 13:46:53 -0400 Received: from smtp.osdl.org ([65.172.181.4]:39568 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1751089AbWEVRqw (ORCPT ); Mon, 22 May 2006 13:46:52 -0400 Date: Mon, 22 May 2006 10:46:33 -0700 (PDT) From: Linus Torvalds To: Ingo Molnar cc: Andrew Morton , Zachary Amsden , jakub@redhat.com, rusty@rustcorp.com.au, linux-kernel@vger.kernel.org, virtualization@lists.osdl.org, kraxel@suse.de Subject: Re: [PATCH] Gerd Hoffman's move-vsyscall-into-user-address-range patch In-Reply-To: <20060522172710.GA22823@elte.hu> Message-ID: References: <1147759423.5492.102.camel@localhost.localdomain> <20060516064723.GA14121@elte.hu> <1147852189.1749.28.camel@localhost.localdomain> <20060519174303.5fd17d12.akpm@osdl.org> <20060522162949.GG30682@devserv.devel.redhat.com> <4471EA60.8080607@vmware.com> <20060522101454.52551222.akpm@osdl.org> <20060522172710.GA22823@elte.hu> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 920 Lines: 27 On Mon, 22 May 2006, Ingo Molnar wrote: > > very much so. Especially for security it's really bad if a feature is > default-off. I'm quite strongly against such an approach. It's not bad at all. It's default-off FOR THE KERNEL. Make Fedora updates (and RHEL) just turn it on in the rc scripts. So that it's default ON for those, WHEN IT WORKS. > is it really a big problem to add "vdso=0" to the long list of > requirements you need to run a 2.6 kernel on an old distribution (or to > disable CONFIG_VDSO)? FC1 wasnt even 2.6-ready, it used a 2.4 kernel! Backwards compatibility is absolutely paramount. Much more important than just about anything else. Linus - 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/