[PATCH tip/core/rcu 11/12] powerpc: Remove comment about read_barrier_depends()

[paulmck]

From: Will Deacon <will@xxxxxxxxxx>

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

Signed-off-by: Will Deacon <will@xxxxxxxxxx>
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
 arch/powerpc/include/asm/barrier.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
index fbe8df4..123adce 100644
--- a/arch/powerpc/include/asm/barrier.h
+++ b/arch/powerpc/include/asm/barrier.h
@@ -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
-- 
2.9.5