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Date: Thu, 9 Feb 2017 13:34:14 -0800 (PST)
From: Eric Wheeler <kvm@lists.ewheeler.net>
To: Sasha Levin <alexander.levin@verizon.com>
cc: Greg KH <gregkh@linuxfoundation.org>,
        Philipp Hahn <hahn@univention.de>, kvm@vger.kernel.org,
        stable@vger.kernel.org, Haozhong Zhang <haozhong.zhang@intel.com>,
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        Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [BISECT 4.1.y] [PATCH] regression: kvm: migration hangs guest
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On Fri, 27 Jan 2017, Philipp Hahn wrote:

> Hello,
> 
> Am 27.01.2017 um 00:29 schrieb Eric Wheeler:
> > On Thu, 26 Jan 2017, Paolo Bonzini wrote:
> >> 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
> > 
> > Hi Greg,
> 
> 4.1 is maintained by Sasha Levin <alexander.levin@verizon.com>, cc-ed.

Thank you Philipp!

> > Paolo suggests cherry-picking the dependent commits with the backport 
> > patch instead of reverting the original patch.  Do you need anything more 
> > in this thread to bring this into v4.1.y? 

Sasha, do you need anything more to pull this into 4.1?

Thanks!


--
Eric Wheeler


> > 
> > Its an "Option 3" according to Documentation/stable_kernel_rules.txt with 
> > dependent commits so I'm not sure if you want this formatted any 
> > differently to make your merge easy---let me know.
> 
> Philipp
> 
>