From: "tip-bot2 for Will Deacon" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Will Deacon <will@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
"Paul E. McKenney" <paulmck@kernel.org>, x86 <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [tip: core/rcu] powerpc: Remove comment about read_barrier_depends()
Date: Sat, 25 Jan 2020 10:42:39 -0000 [thread overview]
Message-ID: <157994895940.396.635928895475003187.tip-bot2@tip-bot2> (raw)
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: c7e9c01f928a0e7e467ec3efe1b56bc566678bae
Gitweb: https://git.kernel.org/tip/c7e9c01f928a0e7e467ec3efe1b56bc566678bae
Author: Will Deacon <will@kernel.org>
AuthorDate: Fri, 08 Nov 2019 17:01:18
Committer: Paul E. McKenney <paulmck@kernel.org>
CommitterDate: Fri, 24 Jan 2020 10:33:52 -08:00
powerpc: Remove comment about read_barrier_depends()
'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
reply other threads:[~2020-01-25 10:47 UTC|newest]
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