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[175.34.8.244]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35c03044d04sm751468a91.0.2026.03.23.20.42.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Mar 2026 20:43:01 -0700 (PDT) Message-ID: Date: Tue, 24 Mar 2026 13:42:45 +1000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 33/40] arm64: mpam: Select ARCH_HAS_CPU_RESCTRL To: Ben Horgan Cc: amitsinght@marvell.com, baisheng.gao@unisoc.com, baolin.wang@linux.alibaba.com, carl@os.amperecomputing.com, dave.martin@arm.com, david@kernel.org, dfustini@baylibre.com, fenghuay@nvidia.com, james.morse@arm.com, jonathan.cameron@huawei.com, kobak@nvidia.com, lcherian@marvell.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, peternewman@google.com, punit.agrawal@oss.qualcomm.com, quic_jiles@quicinc.com, reinette.chatre@intel.com, rohit.mathew@arm.com, scott@os.amperecomputing.com, sdonthineni@nvidia.com, tan.shaopeng@fujitsu.com, xhao@linux.alibaba.com, catalin.marinas@arm.com, will@kernel.org, corbet@lwn.net, maz@kernel.org, oupton@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, kvmarm@lists.linux.dev, zengheng4@huawei.com, linux-doc@vger.kernel.org, Shaopeng Tan References: <20260313144617.3420416-1-ben.horgan@arm.com> <20260313144617.3420416-34-ben.horgan@arm.com> Content-Language: en-US From: Gavin Shan In-Reply-To: <20260313144617.3420416-34-ben.horgan@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/14/26 12:46 AM, Ben Horgan wrote: > From: James Morse > > 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. > > Tested-by: Gavin Shan > Tested-by: Shaopeng Tan > Tested-by: Peter Newman > Tested-by: Zeng Heng > Tested-by: Punit Agrawal > Reviewed-by: Zeng Heng > Reviewed-by: Shaopeng Tan > Reviewed-by: Jonathan Cameron > Signed-off-by: James Morse > Acked-by: Catalin Marinas > Signed-off-by: Ben Horgan > --- > arch/arm64/Kconfig | 2 +- > arch/arm64/include/asm/resctrl.h | 2 ++ > drivers/resctrl/Kconfig | 7 +++++++ > drivers/resctrl/Makefile | 2 +- > 4 files changed, 11 insertions(+), 2 deletions(-) > create mode 100644 arch/arm64/include/asm/resctrl.h > Reviewed-by: Gavin Shan