[PATCH locking/atomic 12/19] locking/atomic: Add kernel-doc header for arch_${atomic}_read_acquire

From: Paul E. McKenney
Date: Wed May 10 2023 - 14:19:27 EST


Add kernel-doc header template for arch_${atomic}_read_acquire
function family.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
---
include/linux/atomic/atomic-arch-fallback.h | 16 +++++++++++++++-
scripts/atomic/fallbacks/read_acquire | 7 +++++++
2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/include/linux/atomic/atomic-arch-fallback.h b/include/linux/atomic/atomic-arch-fallback.h
index 7ba75143c149..c3552b83bf49 100644
--- a/include/linux/atomic/atomic-arch-fallback.h
+++ b/include/linux/atomic/atomic-arch-fallback.h
@@ -240,6 +240,13 @@
#endif /* arch_try_cmpxchg64_local */

#ifndef arch_atomic_read_acquire
+/**
+ * arch_atomic_read_acquire - Atomic load acquire
+ * @v: pointer of type atomic_t
+ *
+ * Atomically load from *@v with acquire ordering, returning the value
+ * loaded.
+ */
static __always_inline int
arch_atomic_read_acquire(const atomic_t *v)
{
@@ -1695,6 +1702,13 @@ arch_atomic_dec_if_positive(atomic_t *v)
#endif

#ifndef arch_atomic64_read_acquire
+/**
+ * arch_atomic64_read_acquire - Atomic load acquire
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically load from *@v with acquire ordering, returning the value
+ * loaded.
+ */
static __always_inline s64
arch_atomic64_read_acquire(const atomic64_t *v)
{
@@ -3146,4 +3160,4 @@ arch_atomic64_dec_if_positive(atomic64_t *v)
#endif

#endif /* _LINUX_ATOMIC_FALLBACK_H */
-// c46693a9f3b3ceacef003cd42764251148e3457d
+// 96c8a3c4d13b12c9f3e0f715709c8af1653a7e79
diff --git a/scripts/atomic/fallbacks/read_acquire b/scripts/atomic/fallbacks/read_acquire
index a0ea1d26e6b2..779f40c07018 100755
--- a/scripts/atomic/fallbacks/read_acquire
+++ b/scripts/atomic/fallbacks/read_acquire
@@ -1,4 +1,11 @@
cat <<EOF
+/**
+ * arch_${atomic}_read_acquire - Atomic load acquire
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically load from *@v with acquire ordering, returning the value
+ * loaded.
+ */
static __always_inline ${ret}
arch_${atomic}_read_acquire(const ${atomic}_t *v)
{
--
2.40.1