Messages in this thread Patch in this message | | | From | paulmck@kernel ... | Subject | [PATCH tip/core/rcu 11/12] powerpc: Remove comment about read_barrier_depends() | Date | Mon, 9 Dec 2019 20:07:40 -0800 |
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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(-)
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
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