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Date: Wed, 10 May 2023 11:17:02 -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 04/19] locking/atomic: Add kernel-doc header for arch_${atomic}_${pfx}inc${sfx}${order}
Add kernel-doc header template for arch_${atomic}_${pfx}inc${sfx}${order}
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 | 128 +++++++++++++++++++-
scripts/atomic/fallbacks/inc | 7 ++
2 files changed, 134 insertions(+), 1 deletion(-)
diff --git a/include/linux/atomic/atomic-arch-fallback.h b/include/linux/atomic/atomic-arch-fallback.h
index 606be9d3aa22..e7e83f18d192 100644
--- a/include/linux/atomic/atomic-arch-fallback.h
+++ b/include/linux/atomic/atomic-arch-fallback.h
@@ -440,6 +440,13 @@ arch_atomic_fetch_sub(int i, atomic_t *v)
#endif /* arch_atomic_fetch_sub_relaxed */
#ifndef arch_atomic_inc
+/**
+ * arch_atomic_inc - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with full ordering,
+ * returning no value.
+ */
static __always_inline void
arch_atomic_inc(atomic_t *v)
{
@@ -456,6 +463,13 @@ arch_atomic_inc(atomic_t *v)
#endif /* arch_atomic_inc_return */
#ifndef arch_atomic_inc_return
+/**
+ * arch_atomic_inc_return - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with full ordering,
+ * returning new value.
+ */
static __always_inline int
arch_atomic_inc_return(atomic_t *v)
{
@@ -465,6 +479,13 @@ arch_atomic_inc_return(atomic_t *v)
#endif
#ifndef arch_atomic_inc_return_acquire
+/**
+ * arch_atomic_inc_return_acquire - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with acquire ordering,
+ * returning new value.
+ */
static __always_inline int
arch_atomic_inc_return_acquire(atomic_t *v)
{
@@ -474,6 +495,13 @@ arch_atomic_inc_return_acquire(atomic_t *v)
#endif
#ifndef arch_atomic_inc_return_release
+/**
+ * arch_atomic_inc_return_release - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with release ordering,
+ * returning new value.
+ */
static __always_inline int
arch_atomic_inc_return_release(atomic_t *v)
{
@@ -483,6 +511,13 @@ arch_atomic_inc_return_release(atomic_t *v)
#endif
#ifndef arch_atomic_inc_return_relaxed
+/**
+ * arch_atomic_inc_return_relaxed - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with no ordering,
+ * returning new value.
+ */
static __always_inline int
arch_atomic_inc_return_relaxed(atomic_t *v)
{
@@ -537,6 +572,13 @@ arch_atomic_inc_return(atomic_t *v)
#endif /* arch_atomic_fetch_inc */
#ifndef arch_atomic_fetch_inc
+/**
+ * arch_atomic_fetch_inc - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with full ordering,
+ * returning old value.
+ */
static __always_inline int
arch_atomic_fetch_inc(atomic_t *v)
{
@@ -546,6 +588,13 @@ arch_atomic_fetch_inc(atomic_t *v)
#endif
#ifndef arch_atomic_fetch_inc_acquire
+/**
+ * arch_atomic_fetch_inc_acquire - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with acquire ordering,
+ * returning old value.
+ */
static __always_inline int
arch_atomic_fetch_inc_acquire(atomic_t *v)
{
@@ -555,6 +604,13 @@ arch_atomic_fetch_inc_acquire(atomic_t *v)
#endif
#ifndef arch_atomic_fetch_inc_release
+/**
+ * arch_atomic_fetch_inc_release - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with release ordering,
+ * returning old value.
+ */
static __always_inline int
arch_atomic_fetch_inc_release(atomic_t *v)
{
@@ -564,6 +620,13 @@ arch_atomic_fetch_inc_release(atomic_t *v)
#endif
#ifndef arch_atomic_fetch_inc_relaxed
+/**
+ * arch_atomic_fetch_inc_relaxed - Atomic increment
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increment @v with no ordering,
+ * returning old value.
+ */
static __always_inline int
arch_atomic_fetch_inc_relaxed(atomic_t *v)
{
@@ -1656,6 +1719,13 @@ arch_atomic64_fetch_sub(s64 i, atomic64_t *v)
#endif /* arch_atomic64_fetch_sub_relaxed */
#ifndef arch_atomic64_inc
+/**
+ * arch_atomic64_inc - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with full ordering,
+ * returning no value.
+ */
static __always_inline void
arch_atomic64_inc(atomic64_t *v)
{
@@ -1672,6 +1742,13 @@ arch_atomic64_inc(atomic64_t *v)
#endif /* arch_atomic64_inc_return */
#ifndef arch_atomic64_inc_return
+/**
+ * arch_atomic64_inc_return - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with full ordering,
+ * returning new value.
+ */
static __always_inline s64
arch_atomic64_inc_return(atomic64_t *v)
{
@@ -1681,6 +1758,13 @@ arch_atomic64_inc_return(atomic64_t *v)
#endif
#ifndef arch_atomic64_inc_return_acquire
+/**
+ * arch_atomic64_inc_return_acquire - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with acquire ordering,
+ * returning new value.
+ */
static __always_inline s64
arch_atomic64_inc_return_acquire(atomic64_t *v)
{
@@ -1690,6 +1774,13 @@ arch_atomic64_inc_return_acquire(atomic64_t *v)
#endif
#ifndef arch_atomic64_inc_return_release
+/**
+ * arch_atomic64_inc_return_release - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with release ordering,
+ * returning new value.
+ */
static __always_inline s64
arch_atomic64_inc_return_release(atomic64_t *v)
{
@@ -1699,6 +1790,13 @@ arch_atomic64_inc_return_release(atomic64_t *v)
#endif
#ifndef arch_atomic64_inc_return_relaxed
+/**
+ * arch_atomic64_inc_return_relaxed - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with no ordering,
+ * returning new value.
+ */
static __always_inline s64
arch_atomic64_inc_return_relaxed(atomic64_t *v)
{
@@ -1753,6 +1851,13 @@ arch_atomic64_inc_return(atomic64_t *v)
#endif /* arch_atomic64_fetch_inc */
#ifndef arch_atomic64_fetch_inc
+/**
+ * arch_atomic64_fetch_inc - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with full ordering,
+ * returning old value.
+ */
static __always_inline s64
arch_atomic64_fetch_inc(atomic64_t *v)
{
@@ -1762,6 +1867,13 @@ arch_atomic64_fetch_inc(atomic64_t *v)
#endif
#ifndef arch_atomic64_fetch_inc_acquire
+/**
+ * arch_atomic64_fetch_inc_acquire - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with acquire ordering,
+ * returning old value.
+ */
static __always_inline s64
arch_atomic64_fetch_inc_acquire(atomic64_t *v)
{
@@ -1771,6 +1883,13 @@ arch_atomic64_fetch_inc_acquire(atomic64_t *v)
#endif
#ifndef arch_atomic64_fetch_inc_release
+/**
+ * arch_atomic64_fetch_inc_release - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with release ordering,
+ * returning old value.
+ */
static __always_inline s64
arch_atomic64_fetch_inc_release(atomic64_t *v)
{
@@ -1780,6 +1899,13 @@ arch_atomic64_fetch_inc_release(atomic64_t *v)
#endif
#ifndef arch_atomic64_fetch_inc_relaxed
+/**
+ * arch_atomic64_fetch_inc_relaxed - Atomic increment
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increment @v with no ordering,
+ * returning old value.
+ */
static __always_inline s64
arch_atomic64_fetch_inc_relaxed(atomic64_t *v)
{
@@ -2668,4 +2794,4 @@ arch_atomic64_dec_if_positive(atomic64_t *v)
#endif
#endif /* _LINUX_ATOMIC_FALLBACK_H */
-// e914194a1a82dfbc39d4d1c79ce1f59f64fb37da
+// 17cefb0ff9b450685d4072202d4a1c309b0606c2
diff --git a/scripts/atomic/fallbacks/inc b/scripts/atomic/fallbacks/inc
index 3c2c3739169e..3f2c0730cd0c 100755
--- a/scripts/atomic/fallbacks/inc
+++ b/scripts/atomic/fallbacks/inc
@@ -1,4 +1,11 @@
cat <<EOF
+/**
+ * arch_${atomic}_${pfx}inc${sfx}${order} - Atomic increment
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically increment @v with ${docbook_order} ordering,
+ * returning ${docbook_oldnew} value.
+ */
static __always_inline ${ret}
arch_${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
{
--
2.40.1
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