From: SeongJae Park <sj38.park@xxxxxxxxx>
A sentence in memorder.tex explains the strength of smp_mb() and its
cost. Then, a quick quiz having very same answer follows. Remove the
sentence to reduce the redundancy.
Signed-off-by: SeongJae Park <sj38.park@xxxxxxxxx>
---
memorder/memorder.tex | 2 --
1 file changed, 2 deletions(-)
diff --git a/memorder/memorder.tex b/memorder/memorder.tex
index 5ded6988..bd24b14c 100644
--- a/memorder/memorder.tex
+++ b/memorder/memorder.tex
@@ -1346,8 +1346,6 @@ illustrates this for memory barriers.
Assuming that both memory barriers are strong enough, if CPU~1's access
Y1 happens after CPU~0's access Y0, then CPU~1's access X1 is guaranteed
to happen after CPU~0's access X0.
-When in doubt as to which memory barriers are strong enough, \co{smp_mb()}
-will always do the job, albeit at a price.
\QuickQuiz{
How can you tell which memory barriers are strong enough for
--
2.17.1
