[tip/core/rcu,11/12] powerpc: Remove comment about read_barrier_depends()
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Message ID 20191210040741.2943-11-paulmck@kernel.org
State New
Headers show
  • Miscellaneous fixes for v5.6
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Commit Message

Paul E. McKenney Dec. 10, 2019, 4:07 a.m. UTC
From: Will Deacon <will@kernel.org>

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

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

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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