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Date:	Thu, 18 Feb 2016 19:05:59 +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 08/14] KVM: x86: remove notifiers from PIT discard
 policy



On 17/02/2016 20:14, Radim Krčmář wrote:
> Discard policy doesn't rely on information from notifiers, so we don't
> need to register notifiers unconditionally.  We kept correct counts in
> case userspace switched between policies during runtime, but that can be
> avoided by reseting the state.

Ah okay so the WARN_ON could actually be triggered.  But otherwise I
think my suggestion should work.

Paolo

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