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

From: Ankur Arora

Date: Fri Jan 09 2026 - 14:06:40 EST



Will Deacon <will@xxxxxxxxxx> writes:

> On Sun, Dec 14, 2025 at 08:49:14PM -0800, Ankur Arora wrote:
>> Add atomic load wrappers, atomic_cond_read_*_timeout() and
>> atomic64_cond_read_*_timeout() for the cond-load timeout interfaces.
>>
>> Cc: Will Deacon <will@xxxxxxxxxx>
>> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
>> Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
>> Signed-off-by: Ankur Arora <ankur.a.arora@xxxxxxxxxx>
>> ---
>> 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.

Missed that. Will update.

--
ankur