linux-kernel - [PATCH locking/atomic 10/19] locking/atomic: Add kernel-doc header for arch_${atomic}_inc_unless

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Message-Id: <20230510181717.2200934-10-paulmck@kernel.org>
Date:   Wed, 10 May 2023 11:17:08 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     x86@...nel.org, akiyks@...il.com, linux-doc@...r.kernel.org,
        kernel-team@...a.com, "Paul E. McKenney" <paulmck@...nel.org>,
        Will Deacon <will@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH locking/atomic 10/19] locking/atomic: Add kernel-doc header for arch_${atomic}_inc_unless_negative

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

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
Cc: Will Deacon <will@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Boqun Feng <boqun.feng@...il.com>
Cc: Mark Rutland <mark.rutland@....com>
---
 include/linux/atomic/atomic-arch-fallback.h  | 18 +++++++++++++++++-
 scripts/atomic/fallbacks/inc_unless_negative |  8 ++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/include/linux/atomic/atomic-arch-fallback.h b/include/linux/atomic/atomic-arch-fallback.h
index e6c7356d5dfc..a90ee496bb81 100644
--- a/include/linux/atomic/atomic-arch-fallback.h
+++ b/include/linux/atomic/atomic-arch-fallback.h
@@ -1609,6 +1609,14 @@ arch_atomic_inc_not_zero(atomic_t *v)
 #endif
 
 #ifndef arch_atomic_inc_unless_negative
+/**
+ * arch_atomic_inc_unless_negative - Atomic increment if old value is non-negative
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v, but only if the original value is greater
+ * than or equal to zero.  Return @true if the increment happened and
+ * @false otherwise.
+ */
 static __always_inline bool
 arch_atomic_inc_unless_negative(atomic_t *v)
 {
@@ -3049,6 +3057,14 @@ arch_atomic64_inc_not_zero(atomic64_t *v)
 #endif
 
 #ifndef arch_atomic64_inc_unless_negative
+/**
+ * arch_atomic64_inc_unless_negative - Atomic increment if old value is non-negative
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v, but only if the original value is greater
+ * than or equal to zero.  Return @true if the increment happened and
+ * @false otherwise.
+ */
 static __always_inline bool
 arch_atomic64_inc_unless_negative(atomic64_t *v)
 {
@@ -3116,4 +3132,4 @@ arch_atomic64_dec_if_positive(atomic64_t *v)
 #endif
 
 #endif /* _LINUX_ATOMIC_FALLBACK_H */
-// 225b2fe3eb6bbe34729abed7a856b91abc8d434e
+// 3fd0ec685588b84c6428145b7628f79ce23a464c
diff --git a/scripts/atomic/fallbacks/inc_unless_negative b/scripts/atomic/fallbacks/inc_unless_negative
index 95d8ce48233f..98830b0dcdb1 100755
--- a/scripts/atomic/fallbacks/inc_unless_negative
+++ b/scripts/atomic/fallbacks/inc_unless_negative
@@ -1,4 +1,12 @@
 cat <<EOF
+/**
+ * arch_${atomic}_inc_unless_negative - Atomic increment if old value is non-negative
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically increment @v, but only if the original value is greater
+ * than or equal to zero.  Return @true if the increment happened and
+ * @false otherwise.
+ */
 static __always_inline bool
 arch_${atomic}_inc_unless_negative(${atomic}_t *v)
 {
-- 
2.40.1