virtio: access ISR atomically
commit0687c37c5eeef8580b31cc6e1202d874833ae38a
authorPaolo Bonzini <pbonzini@redhat.com>
Fri, 18 Nov 2016 15:07:01 +0000 (18 16:07 +0100)
committerMichael S. Tsirkin <mst@redhat.com>
Fri, 18 Nov 2016 15:29:25 +0000 (18 17:29 +0200)
tree07374579958bc8d8c91faab6fbf85589a5dc3869
parent310837de6c1e0badfd736b1b316b1698c53120a7
virtio: access ISR atomically

This will be needed once dataplane will be able to set it outside
the big QEMU lock.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Tested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/virtio/virtio-mmio.c
hw/virtio/virtio-pci.c
hw/virtio/virtio.c