linux-kernel - Re: [v4 15/16] KVM: Update Posted-Interrupts Descriptor when vCPU is blocked

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Date:	Tue, 23 Jun 2015 18:05:34 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Feng Wu <feng.wu@...el.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
CC:	mtosatti@...hat.com, alex.williamson@...hat.com,
	eric.auger@...aro.org
Subject: Re: [v4 15/16] KVM: Update Posted-Interrupts Descriptor when vCPU
 is blocked



On 11/06/2015 12:51, Feng Wu wrote:
> -		vcpu->arch.mp_state = KVM_MP_STATE_HALTED;
> +		/* Handle posted-interrupt when vCPU is to be halted */
> +		if (!kvm_x86_ops->pi_pre_block ||
> +		    (kvm_x86_ops->pi_pre_block &&

This condition is unnecessary.

Paolo

> +		    kvm_x86_ops->pi_pre_block(vcpu) == 0))
> +			vcpu->arch.mp_state = KVM_MP_STATE_HALTED;
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