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tile: clarify barrier semantics of atomic_add_return
authorChris Metcalf <cmetcalf@mellanox.com>
Tue, 26 Apr 2016 13:54:56 +0000 (09:54 -0400)
committerChris Metcalf <cmetcalf@mellanox.com>
Tue, 26 Apr 2016 13:54:56 +0000 (09:54 -0400)
commit153847586b0aaa9482e42bc7e95b24adb87a1859
tree1bd99e332e83378d2067ede0d6d981d4a3e2fe78tree | snapshot
parent85f5251792abcd6dae897df8eb4ca0e890bc5882commit | diff
tile: clarify barrier semantics of atomic_add_return

A recent discussion on LKML made it clear that the one-line
comment previously in atomic_add_return() was not clear enough:

https://lkml.kernel.org/r/571E87E2.3010306@mellanox.com

Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
arch/tile/include/asm/atomic_64.h diff | blob | history
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