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

[Will Deacon]

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 at kernel.org>
> Cc: Peter Zijlstra <peterz at infradead.org>
> Cc: Boqun Feng <boqun.feng at gmail.com>
> Signed-off-by: Ankur Arora <ankur.a.arora at oracle.com>
> ---
>  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