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author | Akira Yokosawa <akiyks@gmail.com> | 2021-01-03 20:08:35 -0800 |
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committer | Paul E. McKenney <paulmck@kernel.org> | 2021-01-03 20:10:31 -0800 |
commit | 5abdbfb64558c7036a58a8e624120088ce3d2b1f (patch) | |
tree | 6e47e3b9c830b7df8ef92271bf901157af9f17e8 | |
parent | 3cccf2e94038caa0c469d983f37e4bcec9ab7959 (diff) | |
download | perfbook-paulmck.2020.01.03a.tar.gz |
memorder: Remove redundant footnotepaulmck.2020.01.03a
Now that it becomes contextually obvious that this paragraph is
talking on the pre-v4.15 READ_ONCE() of Alpha, the footnote can be
removed.
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
-rw-r--r-- | memorder/memorder.tex | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/memorder/memorder.tex b/memorder/memorder.tex index 9aecf803..a07d1d06 100644 --- a/memorder/memorder.tex +++ b/memorder/memorder.tex @@ -3940,10 +3940,7 @@ This \co{smp_wmb()} on \clnref{wmb} of this listing guarantees that the element initialization in \clnrefrange{init:b}{init:e} is executed before the element is added to the list on \clnref{add}, so that the lock-free search will work correctly. -That is, it makes this guarantee on all CPUs {\em except} Alpha.\footnote{ - But Linux kernel versions v4.15 and later cause \co{READ_ONCE()} - to emit a memory barrier on Alpha, so this discussion applies - only to older versions of the Linux kernel.} +That is, it makes this guarantee on all CPUs {\em except} Alpha. \end{fcvref} \begin{listing}[tbp] |