Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754665AbaLHKKb (ORCPT ); Mon, 8 Dec 2014 05:10:31 -0500 Received: from foss-mx-na.foss.arm.com ([217.140.108.86]:45966 "EHLO foss-mx-na.foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752717AbaLHKKa (ORCPT ); Mon, 8 Dec 2014 05:10:30 -0500 Date: Mon, 8 Dec 2014 10:10:26 +0000 From: Will Deacon To: Alexander Graf 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 Message-ID: <20141208101026.GD27367@arm.com> References: <1417707993-82290-1-git-send-email-agraf@suse.de> <20141204182049.GB7749@arm.com> <54833BAF.1030405@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <54833BAF.1030405@suse.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Will -- 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/