diff options
| author |   Eric Dumazet <edumazet@google.com> | 2021-11-16 19:29:22 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-11-17 14:56:16 +0000 |
| commit | 5337824f4dc4bb26f38fbbba4ffb425a92803f15 (patch) | |
| tree | 5d00439ad091c73d88cddf5801c0850f02f32e8c /drivers/net/virtio_net.c | |
| parent | net: use an atomic_long_t for queue->trans_timeout (diff) | |
| download | linux-dev-5337824f4dc4bb26f38fbbba4ffb425a92803f15.tar.xz linux-dev-5337824f4dc4bb26f38fbbba4ffb425a92803f15.zip | |
net: annotate accesses to queue->trans_start
In following patches, dev_watchdog() will no longer stop all queues.
It will read queue->trans_start locklessly.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 1771d6e5224f..03e38e38ee4b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2694,7 +2694,7 @@ static void virtnet_tx_timeout(struct net_device *dev, unsigned int txqueue) netdev_err(dev, "TX timeout on queue: %u, sq: %s, vq: 0x%x, name: %s, %u usecs ago\n", txqueue, sq->name, sq->vq->index, sq->vq->name, - jiffies_to_usecs(jiffies - txq->trans_start)); + jiffies_to_usecs(jiffies - READ_ONCE(txq->trans_start))); } static const struct net_device_ops virtnet_netdev = { |