linux-kernel - Re: [PATCH v2 38/45] arm64: mpam: Select ARCH_HAS_CPU

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Message-ID: <20260106144958.00005a5c@huawei.com>
Date: Tue, 6 Jan 2026 14:49:58 +0000
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Ben Horgan <ben.horgan@....com>
CC: <amitsinght@...vell.com>, <baisheng.gao@...soc.com>,
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Subject: Re: [PATCH v2 38/45] arm64: mpam: Select ARCH_HAS_CPU_RESCTRL

On Fri, 19 Dec 2025 18:11:40 +0000
Ben Horgan <ben.horgan@....com> wrote:

> From: James Morse <james.morse@....com>
> 
> Enough MPAM support is present to enable ARCH_HAS_CPU_RESCTRL.  Let it
> rip^Wlink!
> 
> ARCH_HAS_CPU_RESCTRL indicates resctrl can be enabled. It is enabled by the
> arch code simply because it has 'arch' in its name.
> 
> This removes ARM_CPU_RESCTRL as a mimic of X86_CPU_RESCTRL.  While here,
> move the ACPI dependency to the driver's Kconfig file.
> 
> In anticipation of MPAM being useful remove the CONFIG_EXPERT restriction.
Lol. I hope it is useful :)
> 
> Signed-off-by: James Morse <james.morse@....com>
> Signed-off-by: Ben Horgan <ben.horgan@....com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@...wei.com>