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| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-01-27 16:40:20 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-02-17 21:52:30 +0200 |
| commit | 97cd965c070152bc626c7507df9fb356bbe1cd81 (patch) | |
| tree | 323f9149e8a6a276ebcacab5b3457b785938eb7f /hw/net | |
| parent | ca0176ad8368668c5ad2b428361652e05984e930 (diff) | |
| download | qemu-97cd965c070152bc626c7507df9fb356bbe1cd81.zip qemu-97cd965c070152bc626c7507df9fb356bbe1cd81.tar.gz qemu-97cd965c070152bc626c7507df9fb356bbe1cd81.tar.bz2 | |
virtio: use VRingMemoryRegionCaches for avail and used rings
The virtio-net change is necessary because it uses virtqueue_fill
and virtqueue_flush instead of the more convenient virtqueue_push.
Reviewed-by: Stefan Hajnoczi <stefanha@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>
Diffstat (limited to 'hw/net')
| -rw-r--r-- | hw/net/virtio-net.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 354a19e..c321680 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1130,7 +1130,8 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf, int size) return 0; } -static ssize_t virtio_net_receive(NetClientState *nc, const uint8_t *buf, size_t size) +static ssize_t virtio_net_receive_rcu(NetClientState *nc, const uint8_t *buf, + size_t size) { VirtIONet *n = qemu_get_nic_opaque(nc); VirtIONetQueue *q = virtio_net_get_subqueue(nc); @@ -1233,6 +1234,17 @@ static ssize_t virtio_net_receive(NetClientState *nc, const uint8_t *buf, size_t return size; } +static ssize_t virtio_net_receive(NetClientState *nc, const uint8_t *buf, + size_t size) +{ + ssize_t r; + + rcu_read_lock(); + r = virtio_net_receive_rcu(nc, buf, size); + rcu_read_unlock(); + return r; +} + static int32_t virtio_net_flush_tx(VirtIONetQueue *q); static void virtio_net_tx_complete(NetClientState *nc, ssize_t len) |