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authorAndrew Morton <akpm@linux-foundation.org>2023-06-30 08:41:39 -0700
committerAndrew Morton <akpm@linux-foundation.org>2023-06-30 08:41:39 -0700
commit44f10dbefd5e41b3385af91f855a57aa2afaf40e (patch)
tree944c9f1cda8322691468e6f10dc5b0d41c487621 /scripts/atomic/fallbacks/fetch_add_unless
parent0a30901b0732a59e038088d3de3e5611db1870d3 (diff)
parente55e5df193d247a38a5e1ac65a5316a0adcc22fa (diff)
Merge branch 'master' into mm-hotfixes-stable
Diffstat (limited to 'scripts/atomic/fallbacks/fetch_add_unless')
-rwxr-xr-xscripts/atomic/fallbacks/fetch_add_unless17
1 files changed, 2 insertions, 15 deletions
diff --git a/scripts/atomic/fallbacks/fetch_add_unless b/scripts/atomic/fallbacks/fetch_add_unless
index 68ce13c8b9da..8db7e9e17fac 100755
--- a/scripts/atomic/fallbacks/fetch_add_unless
+++ b/scripts/atomic/fallbacks/fetch_add_unless
@@ -1,23 +1,10 @@
cat << EOF
-/**
- * arch_${atomic}_fetch_add_unless - add unless the number is already a given value
- * @v: pointer of type ${atomic}_t
- * @a: the amount to add to v...
- * @u: ...unless v is equal to u.
- *
- * Atomically adds @a to @v, so long as @v was not already @u.
- * Returns original value of @v
- */
-static __always_inline ${int}
-arch_${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
-{
- ${int} c = arch_${atomic}_read(v);
+ ${int} c = raw_${atomic}_read(v);
do {
if (unlikely(c == u))
break;
- } while (!arch_${atomic}_try_cmpxchg(v, &c, c + a));
+ } while (!raw_${atomic}_try_cmpxchg(v, &c, c + a));
return c;
-}
EOF