From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mtagate4.de.ibm.com ([195.212.29.153]:49058 "EHLO mtagate4.de.ibm.com") by vger.kernel.org with ESMTP id S932438AbWAWJ7U (ORCPT ); Mon, 23 Jan 2006 04:59:20 -0500 Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49]) by mtagate4.de.ibm.com (8.12.10/8.12.10) with ESMTP id k0N9wkln122222 for ; Mon, 23 Jan 2006 09:58:49 GMT Received: from d12av02.megacenter.de.ibm.com (d12av02.megacenter.de.ibm.com [9.149.165.228]) by d12nrmr1607.megacenter.de.ibm.com (8.12.10/NCO/VERS6.8) with ESMTP id k0N9wksw220704 for ; Mon, 23 Jan 2006 10:58:46 +0100 Received: from d12av02.megacenter.de.ibm.com (loopback [127.0.0.1]) by d12av02.megacenter.de.ibm.com (8.12.11/8.13.3) with ESMTP id k0N9wiOQ027089 for ; Mon, 23 Jan 2006 10:58:46 +0100 Date: Mon, 23 Jan 2006 10:58:39 +0100 From: Heiko Carstens Subject: Re: new syscalls Message-ID: <20060123095839.GB9241@osiris.boeblingen.de.ibm.com> References: <20060118133629.1cda96fd.akpm@osdl.org> <1137621188.30084.67.camel@localhost.localdomain> <200601201104.51398.ak@suse.de> <20060120.021552.119433592.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060120.021552.119433592.davem@davemloft.net> Sender: linux-arch-owner@vger.kernel.org To: "David S. Miller" Cc: ak@suse.de, dwmw2@infradead.org, akpm@osdl.org, tony.luck@intel.com, linux-arch@vger.kernel.org, janak@us.ibm.com, drepper@redhat.com, dhowells@redhat.com, davidel@xmailserver.org, christoph@lameter.com List-ID: > > Are you sure it's even working? I implemented TIF_RESTORE_SIGMASK > > for x86-64 and the SEGV part of the test fails. But it even fails > > without any of my patches applied, so if it's really broken > > it was always like this. I suspect i would have heard if such > > a fundamental thing was really broken on x86-64. > > It fails similarly on sparc. > > Signal stacks and SA_ONSTACK are not a very well tested feature, and I > think that is playing a part in this. Failed with a lot of errors on s390 too. Strange enough it works well after if implemented TIF_RESTORE_SIGMASK. Worse things could happen :) Heiko