Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755096AbaLHKrF (ORCPT ); Mon, 8 Dec 2014 05:47:05 -0500 Received: from cantor2.suse.de ([195.135.220.15]:53364 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752864AbaLHKrD (ORCPT ); Mon, 8 Dec 2014 05:47:03 -0500 Message-ID: <548581A4.1010206@suse.de> Date: Mon, 08 Dec 2014 11:47:00 +0100 From: Alexander Graf User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Will Deacon CC: "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Catalin Marinas , Michael Matz Subject: Re: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size References: <1417707993-82290-1-git-send-email-agraf@suse.de> <20141204182049.GB7749@arm.com> <54833BAF.1030405@suse.de> <20141208101026.GD27367@arm.com> In-Reply-To: <20141208101026.GD27367@arm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08.12.14 11:10, Will Deacon wrote: > On Sat, Dec 06, 2014 at 05:23:59PM +0000, Alexander Graf wrote: >> On 04.12.14 19:20, Will Deacon wrote: >>> On Thu, Dec 04, 2014 at 03:46:33PM +0000, Alexander Graf wrote: >>>> With binutils 2.25 the default alignment for 32bit arm sections changed to >>>> have everything 64k aligned. Armv7 binaries built with this binutils version >>>> run successfully on an arm64 system. >>>> >>>> Since effectively there is now the chance to run armv7 code on arm64 even >>>> with 64k page size, it doesn't make sense to block people from enabling >>>> CONFIG_COMPAT on those configurations. >>> >>> Is there a distro available that is built with a recent enough binutils for >>> this? I'd really like to run our regression tests to check that page-size >>> assumptions don't exist for things like shm. >> >> So how much of a distro do you need? I could probably assemble a simple >> very minimalistic rootfs with only bash if that helps. > > I'd like to run LTP, so I'd probably need slightly more than that but I > certainly don't need the whole world. Let me check with a few folks what we can easily assemble :). Alex -- 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/