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(parent: 3ef7cf5) | patch
net: use skb_queue_empty_lockless() in busy poll contexts
authorEric Dumazet <edumazet@google.com>
Thu, 24 Oct 2019 05:44:51 +0000 (22:44 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 28 Oct 2019 20:33:41 +0000 (13:33 -0700)
commit3f926af3f4d688e2e11e7f8ed04e277a14d4d4a4
tree3cdc7bbab6fc9caa1282afe98eddd91add1aabd7tree | snapshot
parent3ef7cf57c72f32f61e97f8fa401bc39ea1f1a5d4commit | diff
net: use skb_queue_empty_lockless() in busy poll contexts

Busy polling usually runs without locks.
Let's use skb_queue_empty_lockless() instead of skb_queue_empty()

Also uses READ_ONCE() in __skb_try_recv_datagram() to address
a similar potential problem.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/crypto/chelsio/chtls/chtls_io.c diff | blob | history
drivers/nvme/host/tcp.c diff | blob | history
net/core/datagram.c diff | blob | history
net/core/sock.c diff | blob | history
net/ipv4/tcp.c diff | blob | history
net/sctp/socket.c diff | blob | history
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