Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 27 Nov 2002 03:55:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 27 Nov 2002 03:55:12 -0500 Received: from zero.aec.at ([193.170.194.10]:28677 "EHLO zero.aec.at") by vger.kernel.org with ESMTP id ; Wed, 27 Nov 2002 03:55:12 -0500 Date: Wed, 27 Nov 2002 10:01:13 +0100 From: Andi Kleen To: davidm@hpl.hp.com Cc: Andi Kleen , Stephen Rothwell , Linus , LKML , anton@samba.org, "David S. Miller" , schwidefsky@de.ibm.com, ralf@gnu.org, willy@debian.org Subject: Re: [PATCH] Start of compat32.h (again) Message-ID: <20021127090113.GA5491@averell> References: <20021127184228.2f2e87fd.sfr@canb.auug.org.au> <15844.31669.896101.983575@napali.hpl.hp.com> <20021127082918.GA5227@averell> <15844.34389.396428.645047@napali.hpl.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <15844.34389.396428.645047@napali.hpl.hp.com> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 868 Lines: 20 On Wed, Nov 27, 2002 at 09:46:13AM +0100, David Mosberger wrote: > >>>>> On Wed, 27 Nov 2002 09:29:18 +0100, Andi Kleen said: > > Andi> But the 32bit user space surely doesn't care about any garbage > Andi> in the upper 32bits, no ? > > The user-space won't, but the kernel exit path might. Remember that True. The signal return path checking for the 5xx errnos expects them to be 64bit extended. I now even vaguely remember an obscure bug I once saw on x86-64 with an 32bit application actually seeing ERESTARTSYS that might just have been caused by such an issue. Thanks for pointing that out. -Andi - 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/