[RESEND PATCH v7 5/7] atomic: Add atomic_cond_read_*_timeout()

Ankur Arora
2025-10-28T05:32:21Z

Add atomic load wrappers, atomic_cond_read_*_timeout() and
atomic64_cond_read_*_timeout() for the cond-load timeout interfaces.

Cc: Will Deacon <will@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com>
---
include/linux/atomic.h | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 8dd57c3a99e9..49f8100ad8af 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -31,6 +31,16 @@
#define atomic64_cond_read_acquire(v, c) smp_cond_load_acquire(&(v)->counter, (c))
#define atomic64_cond_read_relaxed(v, c) smp_cond_load_relaxed(&(v)->counter, (c))

+#define atomic_cond_read_acquire_timeout(v, c, t) \
+ smp_cond_load_acquire_timeout(&(v)->counter, (c), (t))
+#define atomic_cond_read_relaxed_timeout(v, c, t) \
+ smp_cond_load_relaxed_timeout(&(v)->counter, (c), (t))
+
+#define atomic64_cond_read_acquire_timeout(v, c, t) \
+ smp_cond_load_acquire_timeout(&(v)->counter, (c), (t))
+#define atomic64_cond_read_relaxed_timeout(v, c, t) \
+ smp_cond_load_relaxed_timeout(&(v)->counter, (c), (t))
+
/*
* The idea here is to build acquire/release variants by adding explicit
* barriers on top of the relaxed variant. In the case where the relaxed
--
2.43.5