aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorWill Deacon <will@kernel.org>2019-11-08 17:01:18 +0000
committerPaul E. McKenney <paulmck@kernel.org>2020-01-24 10:33:52 -0800
commitc7e9c01f928a0e7e467ec3efe1b56bc566678bae (patch)
tree5d44bc82c48a4df88ae093b8d6425ca2271f60b1 /arch
parent.mailmap: Add entries for old paulmck@kernel.org addresses (diff)
downloadlinux-dev-c7e9c01f928a0e7e467ec3efe1b56bc566678bae.tar.xz
linux-dev-c7e9c01f928a0e7e467ec3efe1b56bc566678bae.zip
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/barrier.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
index fbe8df433019..123adcefd40f 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