From: Ankur Arora <ankur.a.arora@oracle.com>
To: Will Deacon <will@kernel.org>
Cc: Ankur Arora <ankur.a.arora@oracle.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,
bpf@vger.kernel.org, arnd@arndb.de, catalin.marinas@arm.com,
peterz@infradead.org, akpm@linux-foundation.org,
mark.rutland@arm.com, harisokn@amazon.com, cl@gentwo.org,
ast@kernel.org, rafael@kernel.org, daniel.lezcano@linaro.org,
memxor@gmail.com, zhenglifeng1@huawei.com,
xueshuai@linux.alibaba.com, joao.m.martins@oracle.com,
boris.ostrovsky@oracle.com, konrad.wilk@oracle.com,
Boqun Feng <boqun.feng@gmail.com>
Subject: Re: [PATCH v8 07/12] atomic: Add atomic_cond_read_*_timeout()
Date: Fri, 09 Jan 2026 11:06:13 -0800 [thread overview]
Message-ID: <87cy3imwre.fsf@oracle.com> (raw)
In-Reply-To: <aWEMkHbBOgOkx_9f@willie-the-truck>
Will Deacon <will@kernel.org> 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@kernel.org>
>> Cc: Peter Zijlstra <peterz@infradead.org>
>> Cc: Boqun Feng <boqun.feng@gmail.com>
>> Signed-off-by: Ankur Arora <ankur.a.arora@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.
Missed that. Will update.
--
ankur
next prev parent reply other threads:[~2026-01-09 19:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-15 4:49 [PATCH v8 00/12] barrier: Add smp_cond_load_{relaxed,acquire}_timeout() Ankur Arora
2025-12-15 4:49 ` [PATCH v8 01/12] asm-generic: barrier: Add smp_cond_load_relaxed_timeout() Ankur Arora
2025-12-22 7:47 ` Ankur Arora
2025-12-15 4:49 ` [PATCH v8 02/12] arm64: barrier: Support smp_cond_load_relaxed_timeout() Ankur Arora
2026-01-08 21:36 ` Will Deacon
2026-01-09 9:06 ` Ankur Arora
2025-12-15 4:49 ` [PATCH v8 03/12] arm64/delay: move some constants out to a separate header Ankur Arora
2025-12-15 17:59 ` kernel test robot
2025-12-19 4:52 ` kernel test robot
2025-12-15 4:49 ` [PATCH v8 04/12] arm64: support WFET in smp_cond_relaxed_timeout() Ankur Arora
2026-01-08 21:35 ` Will Deacon
2026-01-09 9:05 ` Ankur Arora
2026-01-09 14:16 ` Will Deacon
2026-01-09 18:55 ` Ankur Arora
2026-01-09 14:17 ` Will Deacon
2026-01-09 19:05 ` Ankur Arora
2026-01-20 13:58 ` Will Deacon
2026-01-20 22:49 ` Ankur Arora
2025-12-15 4:49 ` [PATCH v8 05/12] arm64: rqspinlock: Remove private copy of smp_cond_load_acquire_timewait() Ankur Arora
2025-12-15 5:14 ` bot+bpf-ci
2025-12-15 4:49 ` [PATCH v8 06/12] asm-generic: barrier: Add smp_cond_load_acquire_timeout() Ankur Arora
2025-12-15 4:49 ` [PATCH v8 07/12] atomic: Add atomic_cond_read_*_timeout() Ankur Arora
2026-01-09 14:11 ` Will Deacon
2026-01-09 19:06 ` Ankur Arora [this message]
2025-12-15 4:49 ` [PATCH v8 08/12] locking/atomic: scripts: build atomic_long_cond_read_*_timeout() Ankur Arora
2025-12-15 4:49 ` [PATCH v8 09/12] bpf/rqspinlock: switch check_timeout() to a clock interface Ankur Arora
2025-12-15 4:49 ` [PATCH v8 10/12] bpf/rqspinlock: Use smp_cond_load_acquire_timeout() Ankur Arora
2025-12-15 21:40 ` Alexei Starovoitov
2025-12-16 7:34 ` Ankur Arora
2025-12-15 4:49 ` [PATCH v8 11/12] sched: add need-resched timed wait interface Ankur Arora
2025-12-15 4:49 ` [PATCH v8 12/12] cpuidle/poll_state: Wait for need-resched via tif_need_resched_relaxed_wait() Ankur Arora
2025-12-15 11:11 ` Rafael J. Wysocki
2025-12-16 6:55 ` Ankur Arora
2025-12-15 21:23 ` kernel test robot
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