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| author | Palmer Dabbelt <palmer@dabbelt.com> | 2017-06-23 23:31:39 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2017-06-24 17:13:43 +0300 |
| commit | f5620df7e395465f4eee6c187a4f956b7100b794 (patch) | |
| tree | a5b314d139cd904a474aaf4df96bf5e1ce2f847d /Documentation/memory-barriers.txt | |
| parent | 52b3f239bb692d9b3a68461798fb15c011e4108e (diff) | |
| download | linux-f5620df7e395465f4eee6c187a4f956b7100b794.tar.xz | |
Documentation: atomic_ops.txt is core-api/atomic_ops.rst
I was reading the memory barries documentation in order to make sure the
RISC-V barries were correct, and I found a broken link to the atomic
operations documentation.
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/memory-barriers.txt')
| -rw-r--r-- | Documentation/memory-barriers.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 732f10ea382e..f1c9eaa45a57 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -498,11 +498,11 @@ And a couple of implicit varieties: This means that ACQUIRE acts as a minimal "acquire" operation and RELEASE acts as a minimal "release" operation. -A subset of the atomic operations described in atomic_ops.txt have ACQUIRE -and RELEASE variants in addition to fully-ordered and relaxed (no barrier -semantics) definitions. For compound atomics performing both a load and a -store, ACQUIRE semantics apply only to the load and RELEASE semantics apply -only to the store portion of the operation. +A subset of the atomic operations described in core-api/atomic_ops.rst have +ACQUIRE and RELEASE variants in addition to fully-ordered and relaxed (no +barrier semantics) definitions. For compound atomics performing both a load +and a store, ACQUIRE semantics apply only to the load and RELEASE semantics +apply only to the store portion of the operation. Memory barriers are only required where there's a possibility of interaction between two CPUs or between a CPU and a device. If it can be guaranteed that |