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kvm: Decouple 'MSI routing via irqfds' from 'kernel irqchip'

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Decouple another x86-specific assumption about what irqchips imply.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Peter Maydell 2012-07-26 15:35:15 +01:00 • committed by Avi Kivity
parent cc7e0ddf5a
commit 614e41bc26
5 changed files with 18 additions and 3 deletions
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4
hw/virtio-pci.c
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@ -627,7 +627,7 @@ static int virtio_pci_set_guest_notifiers(void *opaque, bool assign)
int r, n;
/* Must unset vector notifier while guest notifier is still assigned */
if (kvm_irqchip_in_kernel() && !assign) {
if (kvm_msi_via_irqfd_enabled() && !assign) {
msix_unset_vector_notifiers(&proxy->pci_dev);
g_free(proxy->vector_irqfd);
proxy->vector_irqfd = NULL;
@ -645,7 +645,7 @@ static int virtio_pci_set_guest_notifiers(void *opaque, bool assign)
}
/* Must set vector notifier after guest notifier has been assigned */
if (kvm_irqchip_in_kernel() && assign) {
if (kvm_msi_via_irqfd_enabled() && assign) {
proxy->vector_irqfd =
g_malloc0(sizeof(*proxy->vector_irqfd) *
msix_nr_vectors_allocated(&proxy->pci_dev));