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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/sched
parent06bc3668cc2a6db2831b9086f0e3c6ebda599dba (diff)
downloadlinux-10bbf1652c1cca9819e98d56f3432c56d7a2d229.tar.gz
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/sched')
-rw-r--r--net/sched/em_meta.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index da34fd4c92695..09d8afd04a2a7 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -546,7 +546,7 @@ META_COLLECTOR(int_sk_prio)
*err = -1;
return;
}
- dst->value = sk->sk_priority;
+ dst->value = READ_ONCE(sk->sk_priority);
}
META_COLLECTOR(int_sk_rcvlowat)