From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752467AbdJSMfa (ORCPT ); Thu, 19 Oct 2017 08:35:30 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:60320 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751529AbdJSMf3 (ORCPT ); Thu, 19 Oct 2017 08:35:29 -0400 Date: Thu, 19 Oct 2017 13:34:53 +0100 From: Russell King - ARM Linux To: Florian Fainelli Cc: Abbott Liu , aryabinin@virtuozzo.com, afzal.mohd.ma@gmail.com, labbott@redhat.com, kirill.shutemov@linux.intel.com, mhocko@suse.com, cdall@linaro.org, marc.zyngier@arm.com, catalin.marinas@arm.com, akpm@linux-foundation.org, mawilcox@microsoft.com, tglx@linutronix.de, thgarnie@google.com, keescook@chromium.org, arnd@arndb.de, vladimir.murzin@arm.com, tixy@linaro.org, ard.biesheuvel@linaro.org, robin.murphy@arm.com, mingo@kernel.org, grygorii.strashko@linaro.org, opendmb@gmail.com, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, zengweilin@huawei.com, linux-mm@kvack.org, dylix.dailei@huawei.com, glider@google.com, dvyukov@google.com, jiazhenghua@huawei.com, linux-arm-kernel@lists.infradead.org, heshaoliang@huawei.com Subject: Re: [PATCH 03/11] arm: Kconfig: enable KASan Message-ID: <20171019123453.GV20805@n2100.armlinux.org.uk> References: <20171011082227.20546-1-liuwenliang@huawei.com> <20171011082227.20546-4-liuwenliang@huawei.com> 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) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 11, 2017 at 12:15:44PM -0700, Florian Fainelli wrote: > On 10/11/2017 01:22 AM, Abbott Liu wrote: > > From: Andrey Ryabinin > > > > This patch enable kernel address sanitizer for arm. > > > > Cc: Andrey Ryabinin > > Signed-off-by: Abbott Liu > > This needs to be the last patch in the series, otherwise you allow > people between patch 3 and 11 to have varying degrees of experience with > this patch series depending on their system type (LPAE or not, etc.) As the series stands, if patches 1-3 are applied, and KASAN is enabled, there are various constants that end up being undefined, and the kernel build will fail. That is, of course, not acceptable. KASAN must not be available until support for it is functionally complete. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up According to speedtest.net: 8.21Mbps down 510kbps up