Thread (34 messages) 34 messages, 6 authors, 2026-01-20

Re: [PATCH v8 07/12] atomic: Add atomic_cond_read_*_timeout()

From: Will Deacon <will@kernel.org>
Date: 2026-01-09 14:11:36
Also in: bpf, linux-arch, linux-pm, lkml

On Sun, Dec 14, 2025 at 08:49:14PM -0800, Ankur Arora wrote:
quoted hunk ↗ jump to hunk
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 <redacted>
Signed-off-by: Ankur Arora <redacted>
---
 include/linux/atomic.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 8dd57c3a99e9..5bcb86e07784 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, e, t) \
+	smp_cond_load_acquire_timeout(&(v)->counter, (c), (e), (t))
+#define atomic_cond_read_relaxed_timeout(v, c, e, t) \
+	smp_cond_load_relaxed_timeout(&(v)->counter, (c), (e), (t))
+
+#define atomic64_cond_read_acquire_timeout(v, c, e, t) \
+	smp_cond_load_acquire_timeout(&(v)->counter, (c), (e), (t))
+#define atomic64_cond_read_relaxed_timeout(v, c, e, t) \
+	smp_cond_load_relaxed_timeout(&(v)->counter, (c), (e), (t))
Please update the atomic_t documentation to explain what these do.

Will
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