From: Catalin Marinas <catalin.marinas@arm.com>
To: will@kernel.org, sudeep.holla@arm.com, tglx@linutronix.de,
peterz@infradead.org, mpe@ellerman.id.au,
linux-arm-kernel@lists.infradead.org, mingo@redhat.com,
bp@alien8.de, dave.hansen@linux.intel.com,
pierre.gondois@arm.com, dietmar.eggemann@arm.com,
Yicong Yang <yangyicong@huawei.com>
Cc: linuxppc-dev@lists.ozlabs.org, x86@kernel.org,
linux-kernel@vger.kernel.org, morten.rasmussen@arm.com,
msuchanek@suse.de, gregkh@linuxfoundation.org, rafael@kernel.org,
jonathan.cameron@huawei.com, prime.zeng@hisilicon.com,
linuxarm@huawei.com, yangyicong@hisilicon.com, xuwei5@huawei.com,
guohanjun@huawei.com, sshegde@linux.ibm.com
Subject: Re: [PATCH v12 0/4] Support SMT control on arm64
Date: Fri, 14 Mar 2025 18:37:59 +0000 [thread overview]
Message-ID: <174197746840.735682.9575626401918508908.b4-ty@arm.com> (raw)
In-Reply-To: <20250311075143.61078-1-yangyicong@huawei.com>
On Tue, 11 Mar 2025 15:51:39 +0800, Yicong Yang wrote:
> The core CPU control framework supports runtime SMT control which
> is not yet supported on arm64. Besides the general vulnerabilities
> concerns we want this runtime control on our arm64 server for:
>
> - better single CPU performance in some cases
> - saving overall power consumption
>
> [...]
Applied to arm64 (for-next/smt-control), thanks!
[1/4] cpu/SMT: Provide a default topology_is_primary_thread()
https://git.kernel.org/arm64/c/4b455f59945a
[2/4] arch_topology: Support SMT control for OF based system
https://git.kernel.org/arm64/c/5deb9c789ae4
[3/4] arm64: topology: Support SMT control on ACPI based system
https://git.kernel.org/arm64/c/e6b18ebfaf63
[4/4] arm64: Kconfig: Enable HOTPLUG_SMT
https://git.kernel.org/arm64/c/eed4583bcf9a
--
Catalin
prev parent reply other threads:[~2025-03-14 18:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-11 7:51 Yicong Yang
2025-03-11 7:51 ` [PATCH v12 1/4] cpu/SMT: Provide a default topology_is_primary_thread() Yicong Yang
2025-03-11 14:41 ` Sudeep Holla
2025-03-11 7:51 ` [PATCH v12 2/4] arch_topology: Support SMT control for OF based system Yicong Yang
2025-03-11 14:42 ` Sudeep Holla
2025-03-13 9:16 ` Jonathan Cameron
2025-03-17 9:56 ` Dietmar Eggemann
2025-03-17 11:29 ` Yicong Yang
2025-03-17 16:18 ` Dietmar Eggemann
2025-03-11 7:51 ` [PATCH v12 3/4] arm64: topology: Support SMT control on ACPI " Yicong Yang
2025-03-11 14:42 ` Sudeep Holla
2025-03-11 7:51 ` [PATCH v12 4/4] arm64: Kconfig: Enable HOTPLUG_SMT Yicong Yang
2025-03-11 14:41 ` Sudeep Holla
2025-03-11 14:41 ` [PATCH v12 0/4] Support SMT control on arm64 Sudeep Holla
2025-03-14 18:37 ` Catalin Marinas [this message]
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