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From: Catalin Marinas <catalin.marinas@arm.com>
To: Ankur Arora <ankur.a.arora@oracle.com>
Cc: 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, 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,
	memxor@gmail.com, zhenglifeng1@huawei.com,
	xueshuai@linux.alibaba.com, joao.m.martins@oracle.com,
	boris.ostrovsky@oracle.com, konrad.wilk@oracle.com
Subject: Re: [PATCH v9 02/12] arm64: barrier: Support smp_cond_load_relaxed_timeout()
Date: Wed, 11 Feb 2026 15:54:27 +0000	[thread overview]
Message-ID: <aYymMze6Vchxe6jK@arm.com> (raw)
In-Reply-To: <20260209023153.2661784-3-ankur.a.arora@oracle.com>

On Sun, Feb 08, 2026 at 06:31:43PM -0800, Ankur Arora wrote:
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 93173f0a09c7..239fdca8e2cf 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -22,6 +22,7 @@ config ARM64
>  	select ARCH_HAS_CACHE_LINE_SIZE
>  	select ARCH_HAS_CC_PLATFORM
>  	select ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION
> +	select ARCH_HAS_CPU_RELAX

AFAICT, ARCH_HAS_CPU_RELAX is only defined for x86. You can't just
select it here. Either make the definition global somewhere or add this
to arm64 Kconfig:

config ARCH_HAS_CPU_RELAX
	def_bool y

Otherwise,

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>

  reply	other threads:[~2026-02-11 15:54 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-09  2:31 [PATCH v9 00/12] barrier: Add smp_cond_load_{relaxed,acquire}_timeout() Ankur Arora
2026-02-09  2:31 ` [PATCH v9 01/12] asm-generic: barrier: Add smp_cond_load_relaxed_timeout() Ankur Arora
2026-02-09  4:57   ` Randy Dunlap
2026-02-10  5:52     ` Ankur Arora
2026-02-11 15:39   ` Catalin Marinas
2026-02-11 22:17     ` Ankur Arora
2026-02-12  9:56   ` David Laight
2026-02-14  4:58     ` Ankur Arora
2026-02-14 11:31       ` David Laight
2026-02-18  6:33         ` Ankur Arora
2026-02-09  2:31 ` [PATCH v9 02/12] arm64: barrier: Support smp_cond_load_relaxed_timeout() Ankur Arora
2026-02-11 15:54   ` Catalin Marinas [this message]
2026-02-11 22:57     ` Ankur Arora
2026-02-09  2:31 ` [PATCH v9 03/12] arm64/delay: move some constants out to a separate header Ankur Arora
2026-02-11 16:01   ` Catalin Marinas
2026-02-09  2:31 ` [PATCH v9 04/12] arm64: support WFET in smp_cond_load_relaxed_timeout() Ankur Arora
2026-02-11 17:11   ` Catalin Marinas
2026-02-11 23:13     ` Ankur Arora
2026-02-09  2:31 ` [PATCH v9 05/12] arm64: rqspinlock: Remove private copy of smp_cond_load_acquire_timewait() Ankur Arora
2026-02-09  2:31 ` [PATCH v9 06/12] asm-generic: barrier: Add smp_cond_load_acquire_timeout() Ankur Arora
2026-02-09  4:59   ` Randy Dunlap
2026-02-09  2:31 ` [PATCH v9 07/12] atomic: Add atomic_cond_read_*_timeout() Ankur Arora
2026-02-11 17:25   ` Catalin Marinas
2026-02-09  2:31 ` [PATCH v9 08/12] locking/atomic: scripts: build atomic_long_cond_read_*_timeout() Ankur Arora
2026-02-11 17:41   ` Catalin Marinas
2026-02-09  2:31 ` [PATCH v9 09/12] bpf/rqspinlock: switch check_timeout() to a clock interface Ankur Arora
2026-02-09  3:05   ` bot+bpf-ci
2026-02-09  2:31 ` [PATCH v9 10/12] bpf/rqspinlock: Use smp_cond_load_acquire_timeout() Ankur Arora
2026-02-09  2:31 ` [PATCH v9 11/12] sched: add need-resched timed wait interface Ankur Arora
2026-02-09  3:05   ` bot+bpf-ci
2026-02-09  2:31 ` [PATCH v9 12/12] cpuidle/poll_state: Wait for need-resched via tif_need_resched_relaxed_wait() Ankur Arora
2026-02-10 16:55   ` Rafael J. Wysocki
2026-02-11  0:29     ` Ankur Arora

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