From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sasha Levin <sasha.levin@oracle.com>
Subject: Re: kvm: odd time values since "kvmclock: set scheduler clock stable"
Date: Tue, 26 May 2015 09:25:52 -0400
Message-ID: <55647460.1050200@oracle.com>
References: <55528A04.2060404@oracle.com>	<20150518223936.GA4486@amt.cnet>	<555A79A5.608@oracle.com>	<20150519001331.GA15517@amt.cnet>	<555A99C1.6090300@oracle.com>	<555A9C2F.7080109@oracle.com>	<20150522004123.GB5242@amt.cnet> <20150526092136.5ae50b8e@redhat.com>
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Cc: KVM General <kvm@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>
To: Luiz Capitulino <lcapitulino@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>
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On 05/26/2015 09:21 AM, Luiz Capitulino wrote:
>> Sasha,
>> > 
>> > Can you give the suggested patch (hypervisor patch...) a try please?
>> > (with a patched guest, obviously).
>> > 
>> > KVM: x86: zero kvmclock_offset when vcpu0 initializes kvmclock system
>> > MSR
> I've tried your v2, it works for me. My test-case is very simple though:
> I just boot a VM, log in and reboot. This reproduces the issue Sasha
> reported 100% of the times for me (don't need multi-vcpu guest either).

Sorry for the delay, we had a long weekend here.

It seems to work fine here, no more jumps when booting.


Thanks,
Sasha