linux-kernel - Re: [PATCH v2 4/6] KVM: VMX: dynamise PLE window

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Message-ID: <53F5ACCB.8000201@redhat.com>
Date:	Thu, 21 Aug 2014 10:24:43 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Radim Krčmář <rkrcmar@...hat.com>,
	kvm@...r.kernel.org
CC:	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 4/6] KVM: VMX: dynamise PLE window

Il 20/08/2014 22:53, Radim Krčmář ha scritto:
> +static void update_ple_window_actual_max(void)
> +{
> +	ple_window_actual_max =
> +			__shrink_ple_window(max(ple_window_max, ple_window),

Why the max() here?

> +			                    ple_window_grow, INT_MIN);

This should be 0 (in fact you can probably make everything unsigned now
that you've sorted out the overflows).

Paolo

> +}
> +

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