[PATCH v2 20/43] KVM: VMX: Skip Posted Interrupt updates if APICv is hard disabled

Paolo Bonzini pbonzini at redhat.com
Mon Oct 25 06:48:20 PDT 2021


On 09/10/21 04:12, Sean Christopherson wrote:
> +	/* Nothing to do if PI.SN==0 and the vCPU isn't being migrated. */
>   	if (!pi_test_sn(pi_desc) && vcpu->cpu == cpu)
>   		return;

This does not quite say "why", so:

         /* Nothing to do if PI.SN and PI.NDST both have the desired value. */

Paolo




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