From: Paolo Bonzini <pbonzini@redhat.com>
To: Yang Zhang <yang.z.zhang@intel.com>
Cc: kvm@vger.kernel.org, gleb@redhat.com, mtosatti@redhat.com,
xiantao.zhang@intel.com, jun.nakajima@intel.com
Subject: Re: [PATCH v8 6/7] KVM: VMX: Add the algorithm of deliver posted interrupt
Date: Tue, 09 Apr 2013 18:31:20 +0200 [thread overview]
Message-ID: <51644258.7070409@redhat.com> (raw)
In-Reply-To: <1365431002-31202-7-git-send-email-yang.z.zhang@intel.com>
Il 08/04/2013 16:23, Yang Zhang ha scritto:
> + * interrupt from PIR in next vmentry.
> + */
> +static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
> +{
> + struct vcpu_vmx *vmx = to_vmx(vcpu);
> + int r;
> +
> + if (pi_test_and_set_pir(vector, &vmx->pi_desc))
> + return;
> +
> + r = pi_test_and_set_on(&vmx->pi_desc);
> + kvm_make_request(KVM_REQ_EVENT, vcpu);
> + if (!r && (vcpu->mode == IN_GUEST_MODE))
> + apic->send_IPI_mask(get_cpu_mask(vcpu->cpu),
> + POSTED_INTR_VECTOR);
> + else
> + kvm_vcpu_kick(vcpu);
> +
> + return;
> +}
No need for this return.
Paolo
next prev parent reply other threads:[~2013-04-09 16:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-08 14:23 [PATCH v8 0/7] KVM: VMX: Add Posted Interrupt supporting Yang Zhang
2013-04-08 14:23 ` [PATCH v8 1/7] KVM: VMX: Enable acknowledge interupt on vmexit Yang Zhang
2013-04-08 14:23 ` [PATCH v8 2/7] KVM: VMX: Register a new IPI for posted interrupt Yang Zhang
2013-04-09 7:26 ` Gleb Natapov
2013-04-10 9:31 ` Ingo Molnar
2013-04-08 14:23 ` [PATCH v8 3/7] KVM: VMX: Check the posted interrupt capability Yang Zhang
2013-04-08 14:23 ` [PATCH v8 4/7] KVM: Call common update function when ioapic entry changed Yang Zhang
2013-04-09 7:45 ` Gleb Natapov
2013-04-08 14:23 ` [PATCH v8 5/7] KVM: Set TMR when programming ioapic entry Yang Zhang
2013-04-08 14:23 ` [PATCH v8 6/7] KVM: VMX: Add the algorithm of deliver posted interrupt Yang Zhang
2013-04-09 16:31 ` Paolo Bonzini [this message]
2013-04-10 2:16 ` Zhang, Yang Z
2013-04-08 14:23 ` [PATCH v8 7/7] KVM: VMX: Use posted interrupt to deliver virtual interrupt Yang Zhang
2013-04-09 8:05 ` Gleb Natapov
2013-04-09 8:55 ` Zhang, Yang Z
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