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Date:	Thu, 18 Feb 2016 19:49:10 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Radim Krčmář <rkrcmar@...hat.com>,
	linux-kernel@...r.kernel.org
Cc:	kvm@...r.kernel.org, Yuki Shibuya <shibuya.yk@...s.nec.co.jp>
Subject: Re: [PATCH v2 01/14] KVM: x86: change PIT discard tick policy



On 17/02/2016 20:14, Radim Krčmář wrote:
> 
> Even though there is a chance of regressions, I think we can fix the
> LVT0 NMI bug without introducing a new tick policy.

I agree, but please change the KVM_CAP_REINJECT_CONTROL check to return
2.  This way we can make QEMU reject old kernels when the user provides
"-global kvm-pit.lost_tick_policy=merge".

Paolo

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