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docs/memory-barriers.txt: Fix a typo in CPU MEMORY BARRIERS section

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Commit 39323c6 ("smp_mb__{before,after}_atomic(): update Documentation")
has a typo in CPU MEORY BARRIERS section:
"RMW functions that do not imply are memory barrier are ..." should be
"RMW functions that do not imply a memory barrier are ...".

This patch fixes this typo.

Signed-off-by: Fox Chen <foxhlchen@gmail.com>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Fox Chen
2020-09-09 14:53:40 +08:00
committed by Paul E. McKenney
parent ebb477cb2f
commit d8566f15da
1 changed files with 1 additions and 1 deletions
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Documentation/memory-barriers.txt
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@@ -1870,7 +1870,7 @@ There are some more advanced barrier functions:
These are for use with atomic RMW functions that do not imply memory These are for use with atomic RMW functions that do not imply memory
barriers, but where the code needs a memory barrier. Examples for atomic barriers, but where the code needs a memory barrier. Examples for atomic
RMW functions that do not imply are memory barrier are e.g. add, RMW functions that do not imply a memory barrier are e.g. add,
subtract, (failed) conditional operations, _relaxed functions, subtract, (failed) conditional operations, _relaxed functions,
but not atomic_read or atomic_set. A common example where a memory but not atomic_read or atomic_set. A common example where a memory
barrier may be required is when atomic ops are used for reference barrier may be required is when atomic ops are used for reference