summaryrefslogtreecommitdiff
path: root/net/xdp
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2023-09-21 20:28:11 +0000
committerDavid S. Miller <davem@davemloft.net>2023-10-01 19:09:54 +0100
commit10bbf1652c1cca9819e98d56f3432c56d7a2d229 (patch)
treeab9494c905436ea6f2b9fa1bb979addd2d58da71 /net/xdp
parent06bc3668cc2a6db2831b9086f0e3c6ebda599dba (diff)
net: implement lockless SO_PRIORITY
This is a followup of 8bf43be799d4 ("net: annotate data-races around sk->sk_priority"). sk->sk_priority can be read and written without holding the socket lock. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xdp')
-rw-r--r--net/xdp/xsk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 7482d0aca504..f5e96e0d6e01 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -684,7 +684,7 @@ static struct sk_buff *xsk_build_skb(struct xdp_sock *xs,
}
skb->dev = dev;
- skb->priority = xs->sk.sk_priority;
+ skb->priority = READ_ONCE(xs->sk.sk_priority);
skb->mark = READ_ONCE(xs->sk.sk_mark);
skb->destructor = xsk_destruct_skb;
xsk_set_destructor_arg(skb);