Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754919AbaGOPzT (ORCPT ); Tue, 15 Jul 2014 11:55:19 -0400 Received: from terminus.zytor.com ([198.137.202.10]:56132 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750940AbaGOPzQ (ORCPT ); Tue, 15 Jul 2014 11:55:16 -0400 Message-ID: <53C54DDC.8060302@zytor.com> Date: Tue, 15 Jul 2014 08:50:52 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Konrad Rzeszutek Wilk , Andy Lutomirski CC: boris.ostrovsky@oracle.com, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] x86_64,xen,espfix: Initialize espfix on secondary CPUs References: <195642a5e9fd4515ad8ca4cd8bcffd4900df5790.1405437568.git.luto@amacapital.net> <20140715153801.GX3403@laptop.dumpdata.com> In-Reply-To: <20140715153801.GX3403@laptop.dumpdata.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/15/2014 08:38 AM, Konrad Rzeszutek Wilk wrote: > > I think just disallowing would be preferrable. > So I have yet to hear anyone talk about what the Xen PV IRET does for 16-bit stack segments. Can we get the answer for that, please? -hpa -- 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/