linux-kernel - Re: [PATCH v4 1/3] KVM: fix steal clock warp during guest cpu hotplug

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Message-ID: <CALAqxLXQBMbdPeu0ou029G7vgnDbVUGcz=D_ivKp0ET7t8Jpjw@mail.gmail.com>
Date:	Tue, 7 Jun 2016 11:21:13 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	Wanpeng Li <kernellwp@...il.com>
Cc:	Paolo Bonzini <pbonzini@...hat.com>,
	Wanpeng Li <wanpeng.li@...mail.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	Radim Krčmář <rkrcmar@...hat.com>,
	Ingo Molnar <mingo@...nel.org>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	Rik van Riel <riel@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH v4 1/3] KVM: fix steal clock warp during guest cpu hotplug

On Tue, Jun 7, 2016 at 4:52 AM, Wanpeng Li <kernellwp@...il.com> wrote:
> 2016-06-07 18:39 GMT+08:00 Paolo Bonzini <pbonzini@...hat.com>:
> [...]
>>
>> John Stultz also reported a similar issue after guest S3.
>
> Since there is cpu hot-unplug during S3.

While I'm excited to finally see some progress on this, I
unfortunately can't verify this fixes the issue I saw, as my qemu/kvm
test environments have regressed far enough that suspend/resume no
longer works. :P

I'll see about trying to re-build qemu from source to see if the
latest code works.

thanks
-john