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bnx2: use READ_ONCE() instead of barrier()
authorEric Dumazet <edumazet@google.com>
Sat, 19 Nov 2016 22:57:11 +0000 (14:57 -0800)
committerChuck Anderson <chuck.anderson@oracle.com>
Mon, 27 Feb 2017 05:57:27 +0000 (21:57 -0800)
commitb4cda7896bca43a9c6e03bc281adcc6640ae3e34
tree89aba050b05c0c81fbb59df03746f7f242356378tree
parent814c3f4bae80b51b05e4ba23311bdc40df0c2b4dcommit | diff
bnx2: use READ_ONCE() instead of barrier()

Orabug: 25477840

barrier() is a big hammer compared to READ_ONCE(),
and requires comments explaining what is protected.

READ_ONCE() is more precise and compiler should generate
better overall code.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit b668534c1d9b80f4cda4d761eb11d3a6c9f4ced8)
Signed-off-by: Brian Maly <brian.maly@oracle.com>
drivers/net/ethernet/broadcom/bnx2.c diff | blob | history
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