Commit c7e9c01f authored by Will Deacon's avatar Will Deacon Committed by Paul E. McKenney
Browse files

powerpc: Remove comment about read_barrier_depends() 



'read_barrier_depends()' doesn't exist anymore so stop talking about it.

Signed-off-by: default avatarWill Deacon <will@kernel.org>
Acked-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent 05d35961

arch/powerpc/include/asm/barrier.h

+0 −2
Original line number Diff line number Diff line
@@ -18,8 +18,6 @@ 
 * mb() prevents loads and stores being reordered across this point.

 * rmb() prevents loads being reordered across this point.

 * wmb() prevents stores being reordered across this point.

 * read_barrier_depends() prevents data-dependent loads being reordered

 *	across this point (nop on PPC).

 *

 * *mb() variants without smp_ prefix must order all types of memory

 * operations with one another. sync is the only instruction sufficient

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