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| author |   David S. Miller <davem@davemloft.net> | 2017-12-29 15:14:27 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-29 15:42:26 -0500 |
| commit | 6bb8824732f69de0f233ae6b1a8158e149627b38 (patch) | |
| tree | 78642311a28f42df9042da41eb98652c39d51327 /net/sched/sch_generic.c | |
| parent | Merge tag 'mlx5-shared-4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-6bb8824732f69de0f233ae6b1a8158e149627b38.tar.xz linux-dev-6bb8824732f69de0f233ae6b1a8158e149627b38.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
net/ipv6/ip6_gre.c is a case of parallel adds.
include/trace/events/tcp.h is a little bit more tricky. The removal
of in-trace-macro ifdefs in 'net' paralleled with moving
show_tcp_state_name and friends over to include/trace/events/sock.h
in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_generic.c')
| -rw-r--r-- | net/sched/sch_generic.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 28b2a7964133..cc069b2acf0e 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -1261,6 +1261,8 @@ void mini_qdisc_pair_swap(struct mini_Qdisc_pair *miniqp, if (!tp_head) { RCU_INIT_POINTER(*miniqp->p_miniq, NULL); + /* Wait for flying RCU callback before it is freed. */ + rcu_barrier_bh(); return; } @@ -1276,7 +1278,7 @@ void mini_qdisc_pair_swap(struct mini_Qdisc_pair *miniqp, rcu_assign_pointer(*miniqp->p_miniq, miniq); if (miniq_old) - /* This is counterpart of the rcu barrier above. We need to + /* This is counterpart of the rcu barriers above. We need to * block potential new user of miniq_old until all readers * are not seeing it. */ |