From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1756131AbbCCKJq (ORCPT <rfc822;w@1wt.eu>);
	Tue, 3 Mar 2015 05:09:46 -0500
Received: from mail.emea.novell.com ([130.57.118.101]:39349 "EHLO
	mail.emea.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752872AbbCCKJo convert rfc822-to-8bit (ORCPT
	<rfc822;groupwise-linux-kernel@vger.kernel.org:10:1>);
	Tue, 3 Mar 2015 05:09:44 -0500
Message-Id: <54F5967502000078000658C8@mail.emea.novell.com>
X-Mailer: Novell GroupWise Internet Agent 14.0.1 
Date: Tue, 03 Mar 2015 10:09:41 +0000
From: "Jan Beulich" <JBeulich@suse.com>
To: "Luis R. Rodriguez" <mcgrof@suse.com>
Cc: "Andy Lutomirski" <luto@amacapital.net>,
        "Jeremy Fitzhardinge" <jeremy@goop.org>,
        <virtualization@lists.linux-foundation.org>,
        <xen-devel@lists.xenproject.org>,
        "Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
        "Rusty Russell" <rusty@rustcorp.com.au>,
        "Andrey Ryabinin" <a.ryabinin@samsung.com>,
        "Chris Wright" <chrisw@sous-sol.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Alok Kataria" <akataria@vmware.com>
Subject: Re: [Xen-devel] kasan_map_early_shadow() on Xen
References: <CAB=NE6Xs5fepzNtymzT4CueeJZ0KMPETpda114DpL4eMtDswtw@mail.gmail.com>
In-Reply-To: <CAB=NE6Xs5fepzNtymzT4CueeJZ0KMPETpda114DpL4eMtDswtw@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 8BIT
Content-Disposition: inline
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

>>> On 03.03.15 at 10:40, <mcgrof@suse.com> wrote:
> Let's go down the rabbit hole for a bit. HAVE_ARCH_KASAN will be
> selected on x86 when:
> 
> if X86_64 && SPARSEMEM_VMEMMAP
> 
> Now Xen should not have SPARSEMEM_VMEMMAP

Why would that be?

Jan