Received: by 10.223.176.46 with SMTP id f43csp464007wra; Fri, 26 Jan 2018 01:36:41 -0800 (PST) X-Google-Smtp-Source: AH8x226v3Y2GKHPMhlejRH1dI52QnNPxQ0tOiUcy9160Bpl3fMi9JY6nx9ql3kPZWM8zUthpEdLL X-Received: by 10.99.165.28 with SMTP id n28mr15645946pgf.103.1516959401231; Fri, 26 Jan 2018 01:36:41 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516959401; cv=none; d=google.com; s=arc-20160816; b=VStnv9TnDlVTq5RujbmvSgTVbnbiIZG5NjrUdyEpyz4xgThR2vf3e19qXTFGY6GO+2 T351JaQGqRaPf9dCkaOEG1x3tY7lNCyeHb4alqki6m2ecboTgHNdCDdcEe/Oqp09n281 UYXj9mfrqPhqgU3hej7VUFBc2+3C7flUx0WfKIe7YOEUnkcdudoYhGyEBzpjQvIyT7aA EEe6eA3GxxeW4sbWQeRHWx5Q1reVH4S1G0unULFvUtlEJOhnr0FzV6qVluvE/RB33v2a 5QYgvs2LC0Lu1PNDMri1OQRZ+aysi2peMDr6U3rC9yo0vrFTH1kpi9jqSgJjpdwxCDfo /DYA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=a4iMPtPWXyTt7xPnbzBjlcZ5fKNZYMSDOI5TYOlOZig=; b=luAHu9jMYJVk4aQVk7TtuAhMKOpdIJOXLYWLtRSO+6kUG31As9pkMlkANkXqXYURSI TJFKA7HAeHOh1tim3Nsp/a0BQMzHL3FHgfiVmZi6B3TevbnPpPTmRjVRfWgv+w/Yj2hV pwgtKkTmSrUOmMjNRucMWYaOJfNeGwZm/vWTa9FvKVwmzqXZTCgrq1b9djl4mTo8XWfu SA4a963T2B7hmy7ESUlpyRlbCI12wUXz0EDegUaVmOlclMpSyQDCfH5cZ71oQu/4sIm3 eHTGEFnyEsNZ3k9QQ4ETbSpo5xe298ry35znk/le8BqIo+CWhYTtZi/yGT4tnB5TkQtK 4gBw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t5-v6si3439635plo.662.2018.01.26.01.36.27; Fri, 26 Jan 2018 01:36:41 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752891AbeAZJea (ORCPT + 99 others); Fri, 26 Jan 2018 04:34:30 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:56898 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752851AbeAZJe2 (ORCPT ); Fri, 26 Jan 2018 04:34:28 -0500 Received: from localhost (LFbn-1-12258-90.w90-92.abo.wanadoo.fr [90.92.71.90]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id EECFBFB5; Fri, 26 Jan 2018 09:34:27 +0000 (UTC) Date: Fri, 26 Jan 2018 10:34:25 +0100 From: Greg KH To: Paolo Bonzini , Alexander Levin Cc: Liran Alon , konrad wilk , stable@vger.kernel.org, rkrcmar@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH AUTOSEL for 4.14 006/100] KVM: nVMX/nSVM: Don't intercept #UD when running L2 Message-ID: <20180126093425.GB10471@kroah.com> References: <4693d8ab-1c86-44b6-b24f-009ee8766c1e@default> <20180125095019.GB30255@kroah.com> <1080098449.2581214.1516898111818.JavaMail.zimbra@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1080098449.2581214.1516898111818.JavaMail.zimbra@redhat.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 25, 2018 at 11:35:11AM -0500, Paolo Bonzini wrote: > > > > Just wanted stable maintainers to note that Jim, Paolo & myself decided > > > eventually to revert this commit along with commit ae1f57670703 on > > > upstream KVM. However, it is true that this commit makes commit > > > ae1f57670703 more complete. Therefore we have 2 options here: > > > 1) Apply this backport and sometime in the future also apply the reverts of > > > both these commits with Paolo's commit which reverts them. > > > > Being "bug compatible" is good, I like that option :) > > It's not even a bug, just different behavior and in the end it turns out to be > less surprising if we revert. So even better. :) > > > When is the revert patch going to hit Linus's tree? During the 4.16-rc1 > > merge window? > > It's already there, commit ac9b305caa. But since this one was not marked > for stable, ac9b305caa wasn't either. Ok, Sasha can you pick up both of these patches as well? That way we end up in sync with what is in Linus's tree. thanks, greg k-h