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docs/memory-barriers.txt: Remove left-over references to "CACHE COHERENCY"

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Commit 8ca924aeb4 ("Documentation/barriers: Remove references to
[smp_]read_barrier_depends()") removed the entire section of "CACHE
COHERENCY", without getting rid of its traces.

Remove them.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Andrea Parri <parri.andrea@gmail.com>
This commit is contained in:
Akira Yokosawa 2024-07-02 20:42:44 +09:00 committed by Paul E. McKenney
parent b9a6e87af5
commit 2040c9cb14
1 changed files with 0 additions and 3 deletions
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Documentation/memory-barriers.txt
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@ -88,7 +88,6 @@ CONTENTS
(*) The effects of the cpu cache. (*) The effects of the cpu cache.
- Cache coherency.
- Cache coherency vs DMA. - Cache coherency vs DMA.
- Cache coherency vs MMIO. - Cache coherency vs MMIO.
@ -677,8 +676,6 @@ include/linux/rcupdate.h. This permits the current target of an RCU'd
pointer to be replaced with a new modified target, without the replacement pointer to be replaced with a new modified target, without the replacement
target appearing to be incompletely initialised. target appearing to be incompletely initialised.
See also the subsection on "Cache Coherency" for a more thorough example.
CONTROL DEPENDENCIES CONTROL DEPENDENCIES
-------------------- --------------------