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KVM: Get rid of get_irq() callback

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It just returns pending IRQ vector from the queue for VMX/SVM.
Get IRQ directly from the queue before migration and put it back
after.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov
2009-04-21 17:45:11 +03:00
committed by Avi Kivity
parent 16d7a19117
commit 14d0bc1f7c
4 changed files with 5 additions and 24 deletions
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12
arch/x86/kvm/x86.c
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@@ -3536,7 +3536,6 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
struct descriptor_table dt;
int pending_vec;
vcpu_load(vcpu);
@@ -3573,9 +3572,9 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
memcpy(sregs->interrupt_bitmap, vcpu->arch.irq_pending,
sizeof sregs->interrupt_bitmap);
pending_vec = kvm_x86_ops->get_irq(vcpu);
if (pending_vec >= 0)
set_bit(pending_vec, (unsigned long *)sregs->interrupt_bitmap);
if (vcpu->arch.interrupt.pending)
set_bit(vcpu->arch.interrupt.nr,
(unsigned long *)sregs->interrupt_bitmap);
vcpu_put(vcpu);
@@ -4097,9 +4096,8 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
max_bits);
/* Only pending external irq is handled here */
if (pending_vec < max_bits) {
kvm_x86_ops->set_irq(vcpu, pending_vec);
pr_debug("Set back pending irq %d\n",
pending_vec);
kvm_queue_interrupt(vcpu, pending_vec);
pr_debug("Set back pending irq %d\n", pending_vec);
}
kvm_pic_clear_isr_ack(vcpu->kvm);
}