From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE020ECE58E for ; Thu, 10 Oct 2019 07:38:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BFB35218AC for ; Thu, 10 Oct 2019 07:38:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733052AbfJJHiK (ORCPT ); Thu, 10 Oct 2019 03:38:10 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:56049 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733083AbfJJHfk (ORCPT ); Thu, 10 Oct 2019 03:35:40 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1iISz2-0001VR-Uk; Thu, 10 Oct 2019 09:35:36 +0200 Date: Thu, 10 Oct 2019 09:35:36 +0200 From: Sebastian Andrzej Siewior To: Paolo Bonzini Cc: Sasha Levin , linux-kernel@vger.kernel.org, stable@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH AUTOSEL 5.3 28/68] KVM: x86: Expose XSAVEERPTR to the guest Message-ID: <20191010073536.ga2eb6ovrql53y6m@linutronix.de> References: <20191009170547.32204-1-sashal@kernel.org> <20191009170547.32204-28-sashal@kernel.org> <05acd554-dd0a-d7cd-e17c-90627fa0ec67@redhat.com> <20191009214048.irolhz4rwfdiqf2e@linutronix.de> <7119916d-462e-8ba8-300c-c165d9df045a@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <7119916d-462e-8ba8-300c-c165d9df045a@redhat.com> User-Agent: NeoMutt/20180716 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 2019-10-10 00:50:09 [+0200], Paolo Bonzini wrote: > > Also, taking advantage of this feature requires changes which just > > landed in qemu's master branch. > > That's not a big deal, every QEMU supports every kernel and vice versa. That is correct. My point was that the visibility of this change on user's side is very limited. > Paolo Sebastian