From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756762AbbCCOR2 (ORCPT ); Tue, 3 Mar 2015 09:17:28 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:16398 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756486AbbCCOR1 (ORCPT ); Tue, 3 Mar 2015 09:17:27 -0500 Date: Tue, 3 Mar 2015 09:16:50 -0500 From: Konrad Rzeszutek Wilk To: Andrey Ryabinin Cc: "Luis R. Rodriguez" , Jeremy Fitzhardinge , Rusty Russell , "linux-kernel@vger.kernel.org" , Andy Lutomirski , Chris Wright , xen-devel@lists.xenproject.org, Boris Ostrovsky , virtualization@lists.linux-foundation.org, Alok Kataria Subject: Re: [Xen-devel] kasan_map_early_shadow() on Xen Message-ID: <20150303141650.GA30332@l.oracle.com> References: <54F5B3DA.70203@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <54F5B3DA.70203@samsung.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 03, 2015 at 04:15:06PM +0300, Andrey Ryabinin wrote: > On 03/03/2015 12:40 PM, Luis R. Rodriguez wrote: > > Andrey, > > > > I believe that on Xen we should disable kasan, would like confirmation > > I guess Xen guests won't work with kasan because Xen guests doesn't setup shadow > (kasan_map_early_shadow() is not called in xen guests). > > Disabling kasan for Xen in Kconfig is undesirable because that will disable kasan > for allmodconfig and allyesconfig builds, but I don't see other option for now. Was there an bug reported for this? It would be good to CC the maintainers of Xen on that sort of thing. Thanks! .. snip.. > > [0] https://lkml.org/lkml/2015/2/23/328 If you look at the other x86 pulls - you will see that the authors also missed enabling it on 32-bit kernels! > > > > Luis > > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel