linux-kernel - Re: [PATCH v6 1/2] cgroup/cpuset: export cpuset_cpus

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Message-ID: <Zmlosj-Fmsoq1AiU@arm.com>
Date: Wed, 12 Jun 2024 10:21:54 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: Fred Griffoul <fgriffo@...zon.co.uk>
Cc: griffoul@...il.com, kernel test robot <lkp@...el.com>,
	Will Deacon <will@...nel.org>,
	Alex Williamson <alex.williamson@...hat.com>,
	Waiman Long <longman@...hat.com>,
	Zefan Li <lizefan.x@...edance.com>, Tejun Heo <tj@...nel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Mark Rutland <mark.rutland@....com>, Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Mark Brown <broonie@...nel.org>, Ard Biesheuvel <ardb@...nel.org>,
	Joey Gouly <joey.gouly@....com>,
	Ryan Roberts <ryan.roberts@....com>,
	Jeremy Linton <jeremy.linton@....com>,
	Jason Gunthorpe <jgg@...pe.ca>, Yi Liu <yi.l.liu@...el.com>,
	Kevin Tian <kevin.tian@...el.com>,
	Eric Auger <eric.auger@...hat.com>,
	Stefan Hajnoczi <stefanha@...hat.com>,
	Christian Brauner <brauner@...nel.org>,
	Ankit Agrawal <ankita@...dia.com>,
	Reinette Chatre <reinette.chatre@...el.com>,
	Ye Bin <yebin10@...wei.com>, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	cgroups@...r.kernel.org
Subject: Re: [PATCH v6 1/2] cgroup/cpuset: export cpuset_cpus_allowed()

On Tue, Jun 11, 2024 at 05:44:24PM +0000, Fred Griffoul wrote:
> diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
> index 56583677c1f2..2f1de6343bee 100644
> --- a/arch/arm64/kernel/cpufeature.c
> +++ b/arch/arm64/kernel/cpufeature.c
> @@ -127,6 +127,7 @@ static bool __read_mostly allow_mismatched_32bit_el0;
>   * seen at least one CPU capable of 32-bit EL0.
>   */
>  DEFINE_STATIC_KEY_FALSE(arm64_mismatched_32bit_el0);
> +EXPORT_SYMBOL_GPL(arm64_mismatched_32bit_el0);
>  
>  /*
>   * Mask of CPUs supporting 32-bit EL0.
> @@ -1614,6 +1615,7 @@ const struct cpumask *system_32bit_el0_cpumask(void)
>  
>  	return cpu_possible_mask;
>  }
> +EXPORT_SYMBOL_GPL(system_32bit_el0_cpumask);

For the arm64 bits:

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