linux-kernel - Re: [PATCH v2 3/6] KVM: VMX: make PLE window per-VCPU

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Message-ID: <20140821113853.GB20546@potion.brq.redhat.com>
Date:	Thu, 21 Aug 2014 13:38:54 +0200
From:	Radim Krčmář <rkrcmar@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Gleb Natapov <gleb@...nel.org>,
	Raghavendra KT <raghavendra.kt@...ux.vnet.ibm.com>,
	Vinod Chegu <chegu_vinod@...com>,
	Hui-Zhi <hui-zhi.zhao@...com>,
	Christian Borntraeger <borntraeger@...ibm.com>
Subject: Re: [PATCH v2 3/6] KVM: VMX: make PLE window per-VCPU

2014-08-21 10:25+0200, Paolo Bonzini:
> Il 20/08/2014 22:53, Radim Krčmář ha scritto:
> > +	if (ple_gap)
> > +		vmcs_write32(PLE_WINDOW, vmx->ple_window);
> 
> Maybe we can add a ple_window_dirty field?  It can be tested instead of
> ple_gap to avoid the vmwrite in the common case?

Sure, v3!
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