Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932316AbaJGT15 (ORCPT ); Tue, 7 Oct 2014 15:27:57 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:41943 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932075AbaJGT1z (ORCPT ); Tue, 7 Oct 2014 15:27:55 -0400 Message-ID: <54343EB4.30708@imgtec.com> Date: Tue, 7 Oct 2014 12:27:48 -0700 From: Leonid Yegoshin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: Rich Felker CC: Andy Lutomirski , Matthew Fortune , David Daney , "David Daney" , David Daney , "libc-alpha@sourceware.org" , "linux-kernel@vger.kernel.org" , "linux-mips@linux-mips.org" , David Daney Subject: Re: [PATCH resend] MIPS: Allow FPU emulator to use non-stack area. References: <54332A64.5020605@caviumnetworks.com> <20141007000514.GD23797@brightrain.aerifal.cx> <543334CE.8060305@caviumnetworks.com> <20141007004915.GF23797@brightrain.aerifal.cx> <54337127.40806@gmail.com> <6D39441BF12EF246A7ABCE6654B0235320F1E173@LEMAIL01.le.imgtec.org> <543431DA.4090809@imgtec.com> <20141007190943.GM23797@brightrain.aerifal.cx> <54343C2B.2080801@imgtec.com> <20141007192107.GN23797@brightrain.aerifal.cx> In-Reply-To: <20141007192107.GN23797@brightrain.aerifal.cx> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [192.168.65.146] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/07/2014 12:21 PM, Rich Felker wrote: > The in-stack trampoline support could be left but used only for > emulating instructions the kernel doesn't know. This would make all > normal binaries immediately usable with non-executable stack, and > would avoid the only potential source of regressions. Ultimately I > think the "xol" stuff should be removed, but that could be a long term > goal. Thank you, it is exactly what I am doing in patch series named "[PATCH 0/3] MIPS executable stack protection". I just setup a special stack for that. -- 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/