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authorJulia Lawall <Julia.Lawall@lip6.fr>2018-05-21 09:58:48 +0300
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-05-22 17:00:23 +0300
commit32d0572a75c81a2c70394f9e110ca080b9a733b1 (patch)
treee6355b35da23d5818cac3691463a9d32c04d00b4 /scripts/coccinelle
parent4c1d9bb0b5d3c0b3468ac8e68a05972eb957630f (diff)
downloadlinux-32d0572a75c81a2c70394f9e110ca080b9a733b1.tar.xz
coccinelle: mini_lock: improve performance
Replace <+... ...+> by ... when any. <+... ...+> is slow, and in some obscure cases involving backward jumps it doesn't force the unlock to actually come after the end of the if. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/coccinelle')
-rw-r--r--scripts/coccinelle/locks/mini_lock.cocci6
1 files changed, 4 insertions, 2 deletions
diff --git a/scripts/coccinelle/locks/mini_lock.cocci b/scripts/coccinelle/locks/mini_lock.cocci
index 47f649b0ea87..19c6ee5b986b 100644
--- a/scripts/coccinelle/locks/mini_lock.cocci
+++ b/scripts/coccinelle/locks/mini_lock.cocci
@@ -67,12 +67,14 @@ identifier lock,unlock;
@@
*lock(E1@p,...);
-<+... when != E1
+... when != E1
+ when any
if (...) {
... when != E1
* return@r ...;
}
-...+>
+... when != E1
+ when any
*unlock@up(E1,...);
@script:python depends on org@