diff mbox series

[08/10] locking/generic: Wire up local{,64}_try_cmpxchg

Message ID 20230305205628.27385-9-ubizjak@gmail.com (mailing list archive)
State Superseded
Headers show
Series locking: Introduce local{,64}_try_cmpxchg | expand

Commit Message

Uros Bizjak March 5, 2023, 8:56 p.m. UTC 
Implement generic support for local{,64}_try_cmpxchg.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
---
 include/asm-generic/local.h   | 1 +
 include/asm-generic/local64.h | 2 ++
 2 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index fca7f1d84818..7f97018df66f 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -42,6 +42,7 @@  typedef struct
 #define local_inc_return(l) atomic_long_inc_return(&(l)->a)
 
 #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
+#define local_try_cmpxchg(l, po, n) atomic_long_try_cmpxchg((&(l)->a), (po), (n))
 #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
 #define local_add_unless(l, _a, u) atomic_long_add_unless((&(l)->a), (_a), (u))
 #define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a)
diff --git a/include/asm-generic/local64.h b/include/asm-generic/local64.h
index 765be0b7d883..54b91e93ae76 100644
--- a/include/asm-generic/local64.h
+++ b/include/asm-generic/local64.h
@@ -43,6 +43,7 @@  typedef struct {
 #define local64_inc_return(l)	local_inc_return(&(l)->a)
 
 #define local64_cmpxchg(l, o, n) local_cmpxchg((&(l)->a), (o), (n))
+#define local64_try_cmpxchg(l, po, n) local_try_cmpxchg((&(l)->a), (po), (n))
 #define local64_xchg(l, n)	local_xchg((&(l)->a), (n))
 #define local64_add_unless(l, _a, u) local_add_unless((&(l)->a), (_a), (u))
 #define local64_inc_not_zero(l)	local_inc_not_zero(&(l)->a)
@@ -81,6 +82,7 @@  typedef struct {
 #define local64_inc_return(l)	atomic64_inc_return(&(l)->a)
 
 #define local64_cmpxchg(l, o, n) atomic64_cmpxchg((&(l)->a), (o), (n))
+#define local64_try_cmpxchg(l, po, n) atomic64_try_cmpxchg((&(l)->a), (po), (n))
 #define local64_xchg(l, n)	atomic64_xchg((&(l)->a), (n))
 #define local64_add_unless(l, _a, u) atomic64_add_unless((&(l)->a), (_a), (u))
 #define local64_inc_not_zero(l)	atomic64_inc_not_zero(&(l)->a)