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net_sched: sch_fifo: implement lockless __fifo_dump()
authorEric Dumazet <edumazet@google.com>
Thu, 18 Apr 2024 07:32:42 +0000 (07:32 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 19 Apr 2024 10:34:07 +0000 (11:34 +0100)
commit01daf66b791e1ddd1a4aae2a65ea65fa1d4a96ef
tree8649e339c08c3443377e9e6f249bde23f8732167tree | snapshot
parentc5f1dde7f731e7bf2e7c169ca42cb4989fc2f8b9commit | diff
net_sched: sch_fifo: implement lockless __fifo_dump()

Instead of relying on RTNL, __fifo_dump() can use READ_ONCE()
annotations, paired with WRITE_ONCE() ones in __fifo_init().

Also add missing READ_ONCE(sh->limit) in bfifo_enqueue(),
pfifo_enqueue() and pfifo_tail_enqueue().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_fifo.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)