From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stable-owner@vger.kernel.org>
Received: from mx1.redhat.com ([209.132.183.28]:49220 "EHLO mx1.redhat.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1751442AbdAYX6F (ORCPT <rfc822;stable@vger.kernel.org>);
        Wed, 25 Jan 2017 18:58:05 -0500
Subject: Re: [BISECT 4.1.y] [PATCH] regression: kvm: migration hangs guest
To: Eric Wheeler <kvm@lists.ewheeler.net>, kvm@vger.kernel.org
References: <alpine.LRH.2.11.1701251535220.13235@mail.ewheeler.net>
Cc: stable@vger.kernel.org, Haozhong Zhang <haozhong.zhang@intel.com>,
        =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= <rkrcmar@redhat.com>,
        Gleb Natapov <gleb@kernel.org>
From: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <cf7f10e5-dd85-e4b7-953c-2496fe048260@redhat.com>
Date: Thu, 26 Jan 2017 00:58:02 +0100
MIME-Version: 1.0
In-Reply-To: <alpine.LRH.2.11.1701251535220.13235@mail.ewheeler.net>
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
Sender: stable-owner@vger.kernel.org
List-ID: <stable.vger.kernel.org>



On 26/01/2017 00:50, Eric Wheeler wrote:
> 	609e36d372a KVM: x86: pass host_initiated to functions that read MSRs
> 	81b1b9ca6d5 KVM: VMX: Fix host initiated access to guest MSR_TSC_AUX
> 
> Thus, we need to either:
> 	1. Revert commit 8a3185c54d650a86dafc8d8bcafa124b50944315
> 		- or - 
> 	2. Merge commits 609e36d372a and 81b1b9ca6d5 into 4.1.y.
> 
> If you choose the latter options, then please see below for the backport
> patch of 81b1b9ca6d5 (609e36d372a cherry-picks just fine).
> 
> What do you believe would be best?

The latter is better.

Paolo