arch,arm: Convert smp_mb__*()

ARM uses ll/sc primitives that do not imply barriers for all regular
atomic ops, therefore smp_mb__{before,after} need be a full barrier.

Since ARM doesn't use asm-generic/barrier.h include the required
definitions in its asm/barrier.h

Signed-off-by: Peter Zijlstra <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Cc: Albin Tonnerre <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Chen Gang <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Nicolas Pitre <[email protected]>
Cc: Russell King <[email protected]>
Cc: Victor Kamensky <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>

0 files changed, 0 insertions, 0 deletions