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Date: Tue, 3 May 2016 17:30:48 +0200
From: Radim <rkrcmar@redhat.com>
To: Wanpeng Li <wanpeng.li@hotmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>, Wincy Van <fanwenyi0529@gmail.com>,
        "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] kvm: robustify steal time record
Message-ID: <20160503153048.GB27975@potion>
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2016-05-03 03:19+0000, Wanpeng Li:
> From: Wanpeng Li <wanpeng.li@hotmail.com>
> 
> Guest should only trust data to be valid when version haven't changed 
> before and after reads of steal time. Besides not changing, it has to 
> be an even number. Hypervisor may write an odd number to version field 
> to indicate that an update is in progress.
> 
> kvm_steal_clock() in guest has already done the read side, make write 
> side in hypervisor more robust by following the above rule.
> 
> Reviewed-by: Wincy Van <fanwenyi0529@gmail.com>
> Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
> ---

Queued, thanks.