From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267649AbUHSAJS (ORCPT ); Wed, 18 Aug 2004 20:09:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267660AbUHSAJN (ORCPT ); Wed, 18 Aug 2004 20:09:13 -0400 Received: from mx1.redhat.com ([66.187.233.31]:43917 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S267649AbUHSAJG (ORCPT ); Wed, 18 Aug 2004 20:09:06 -0400 Date: Wed, 18 Aug 2004 17:06:00 -0700 From: "David S. Miller" To: joshk@triplehelix.org (Joshua Kwan) Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [2.6] busybox EFAULT on sparc64 Message-Id: <20040818170600.035e2345.davem@redhat.com> In-Reply-To: <20040818235528.GA8070@triplehelix.org> References: <20040818235528.GA8070@triplehelix.org> X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 18 Aug 2004 16:55:28 -0700 joshk@triplehelix.org (Joshua Kwan) wrote: > I'm inclined to believe that the two bugs are related; these both happen > with busybox-cvs and the exact same programs work with 2.4. Bastian > Blank suggests that it is the compat wrapper for sys_mount that is not > clean. I think this analysis is faulty, all of the userspace accesses done by the compat layer for sys_mount() are done exactly using the same code the normal sys_mount() uses, namely copy_mount_options().