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From: Ankur Arora <ankur.a.arora@oracle.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
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,
	will@kernel.org, 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,
	zhenglifeng1@huawei.com, xueshuai@linux.alibaba.com,
	rdunlap@infradead.org, david.laight.linux@gmail.com,
	joao.m.martins@oracle.com, boris.ostrovsky@oracle.com,
	konrad.wilk@oracle.com
Subject: Re: [PATCH v10 05/12] arm64: rqspinlock: Remove private copy of smp_cond_load_acquire_timewait()
Date: Tue, 24 Mar 2026 22:58:39 -0700	[thread overview]
Message-ID: <87wlz0qwkw.fsf@oracle.com> (raw)
In-Reply-To: <CAP01T75VaNGk+adULuX3q_8uxc0z78J5B_5ECLy2VR=i7pBi0g@mail.gmail.com>


Kumar Kartikeya Dwivedi <memxor@gmail.com> writes:

> On Mon, 16 Mar 2026 at 02:37, Ankur Arora <ankur.a.arora@oracle.com> wrote:
>>
>> In preparation for defining smp_cond_load_acquire_timeout(), remove
>> the private copy. Lacking this, the rqspinlock code falls back to using
>> smp_cond_load_acquire().
>
> nit: This temporarily breaks bisection (or rather, leaves things
> broken until later commits), but I don't care too much.

Yeah. Would have avoided it if I easily could. But given that there
was a private interface involved this seemed the cleanest way.

>> Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
>> Cc: Alexei Starovoitov <ast@kernel.org>
>> Cc: bpf@vger.kernel.org
>> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
>> Reviewed-by: Haris Okanovic <harisokn@amazon.com>
>> Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com>
>> ---
>
> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>

Thanks.

--
ankur

  reply	other threads:[~2026-03-25  5:59 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-16  1:36 [PATCH v10 00/12] barrier: Add smp_cond_load_{relaxed,acquire}_timeout() Ankur Arora
2026-03-16  1:36 ` [PATCH v10 01/12] asm-generic: barrier: Add smp_cond_load_relaxed_timeout() Ankur Arora
2026-03-16  1:36 ` [PATCH v10 02/12] arm64: barrier: Support smp_cond_load_relaxed_timeout() Ankur Arora
2026-03-16  1:36 ` [PATCH v10 03/12] arm64/delay: move some constants out to a separate header Ankur Arora
2026-03-16  1:36 ` [PATCH v10 04/12] arm64: support WFET in smp_cond_load_relaxed_timeout() Ankur Arora
2026-04-01 10:44   ` Catalin Marinas
2026-04-01 22:31     ` Ankur Arora
2026-03-16  1:36 ` [PATCH v10 05/12] arm64: rqspinlock: Remove private copy of smp_cond_load_acquire_timewait() Ankur Arora
2026-03-24  1:41   ` Kumar Kartikeya Dwivedi
2026-03-25  5:58     ` Ankur Arora [this message]
2026-03-16  1:36 ` [PATCH v10 06/12] asm-generic: barrier: Add smp_cond_load_acquire_timeout() Ankur Arora
2026-03-16  1:36 ` [PATCH v10 07/12] atomic: Add atomic_cond_read_*_timeout() Ankur Arora
2026-03-16  1:36 ` [PATCH v10 08/12] locking/atomic: scripts: build atomic_long_cond_read_*_timeout() Ankur Arora
2026-03-16  1:36 ` [PATCH v10 09/12] bpf/rqspinlock: switch check_timeout() to a clock interface Ankur Arora
2026-03-24  1:43   ` Kumar Kartikeya Dwivedi
2026-03-25  5:57     ` Ankur Arora
2026-03-16  1:36 ` [PATCH v10 10/12] bpf/rqspinlock: Use smp_cond_load_acquire_timeout() Ankur Arora
2026-03-24  1:46   ` Kumar Kartikeya Dwivedi
2026-03-16  1:36 ` [PATCH v10 11/12] sched: add need-resched timed wait interface Ankur Arora
2026-03-16  1:36 ` [PATCH v10 12/12] cpuidle/poll_state: Wait for need-resched via tif_need_resched_relaxed_wait() Ankur Arora
2026-03-16  1:49 ` [PATCH v10 00/12] barrier: Add smp_cond_load_{relaxed,acquire}_timeout() Andrew Morton
2026-03-16 22:08   ` Ankur Arora
2026-03-16 23:37     ` David Laight
2026-03-17  6:53       ` Ankur Arora
2026-03-17  9:17         ` David Laight
2026-03-25 13:53           ` Catalin Marinas
2026-03-25 15:42             ` David Laight
2026-03-25 16:32               ` Catalin Marinas
2026-03-25 20:23                 ` David Laight
2026-03-26 15:39                   ` Catalin Marinas
2026-03-25 15:55       ` Catalin Marinas
2026-03-25 19:36         ` David Laight
2026-04-02  7:01 ` Ankur Arora
2026-04-03 16:12 ` [PATCH v10 00/12] barrier: Add smp_cond_load_{relaxed, acquire}_timeout() Okanovic, Haris

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