From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 115090 invoked by alias); 19 Jul 2017 09:28:40 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 114877 invoked by uid 89); 19 Jul 2017 09:28:38 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD autolearn=unavailable version=3.3.2 spammy=UD:org.uk, H*r:4.76 X-HELO: pandora.armlinux.org.uk Received: from pandora.armlinux.org.uk (HELO pandora.armlinux.org.uk) (78.32.30.218) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 19 Jul 2017 09:28:36 +0000 Received: from n2100.armlinux.org.uk ([2002:4e20:1eda:1:214:fdff:fe10:4f86]:54569) by pandora.armlinux.org.uk with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1dXlHT-0003YK-3Y; Wed, 19 Jul 2017 10:28:31 +0100 Received: from linux by n2100.armlinux.org.uk with local (Exim 4.76) (envelope-from ) id 1dXlHQ-0007QF-3X; Wed, 19 Jul 2017 10:28:28 +0100 Date: Wed, 19 Jul 2017 09:28:00 -0000 From: Russell King - ARM Linux To: Edmund Grimley-Evans Cc: Dave P Martin , "gdb@sourceware.org" , "libc-alpha@sourceware.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [RFC PATCH 0/2] ARM: Fix unparseable signal frame with CONFIG_IWMMXT Message-ID: <20170719092827.GA28445@n2100.armlinux.org.uk> References: <1498059983-13438-1-git-send-email-Dave.Martin@arm.com> <20170626101304.GG4902@n2100.armlinux.org.uk> <20170626133255.GH8543@e103592.cambridge.arm.com> <20170626144001.GH4902@n2100.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-SW-Source: 2017-07/txt/msg00031.txt.bz2 On Mon, Jun 26, 2017 at 03:14:13PM +0000, Edmund Grimley-Evans wrote: > As a user (I recently implemented a work-around for this problem in DynamoRIO: https://github.com/DynamoRIO/dynamorio/commit/0b75c635033d01ab04f955f5affe14a3ced9ab56) I'm happy with any of the proposed solutions, provided that in the "invalid magic number" case user space is not required to regenerate the bogus block with the same invalid magic number when invoking sigreturn. I have to ask why a bug report was never sent to kernel people on this. If no one tells people that software is buggy, that software stands little chance of being fixed! -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.