From: Zihuan Zhang <zhangzihuan@kylinos.cn>
To: "Rafael J . wysocki" <rafael@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
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Madhavan Srinivasan <maddy@linux.ibm.com>,
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Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>
Cc: zhenglifeng <zhenglifeng1@huawei.com>,
"H . Peter Anvin" <hpa@zytor.com>,
Zhang Rui <rui.zhang@intel.com>, Len Brown <lenb@kernel.org>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Lukasz Luba <lukasz.luba@arm.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Beata Michalska <beata.michalska@arm.com>,
Fabio Estevam <festevam@gmail.com>,
Pavel Machek <pavel@kernel.org>, Sumit Gupta <sumitg@nvidia.com>,
Prasanna Kumar T S M <ptsm@linux.microsoft.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Yicong Yang <yangyicong@hisilicon.com>,
linux-pm@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org,
linux-acpi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-samsung-soc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
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linux-kernel@vger.kernel.org,
Zihuan Zhang <zhangzihuan@kylinos.cn>
Subject: [PATCH v2 00/18] cpufreq: use __free() for all cpufreq_cpu_get() references
Date: Wed, 27 Aug 2025 10:31:44 +0800 [thread overview]
Message-ID: <20250827023202.10310-1-zhangzihuan@kylinos.cn> (raw)
This patchset converts all remaining cpufreq users to rely on the
__free(put_cpufreq_policy) annotation for policy references, instead of
calling cpufreq_cpu_put() manually.
Motivation:
- Reduce the chance of reference counting mistakes
- Make the code more consistent with the latest kernel style
- behavior remains the same, but reference counting is now safer
and easier to maintain.
The changes are split into 18 patches as they touch different subsystems
and are maintained by different people. There is no functional change.
V2:
- Fix compile error in powernv-cpufreq.c
- Split patch to separate logical changes
Zihuan Zhang (18):
arm64: topology: Use __free(put_cpufreq_policy) for policy reference
KVM: x86: Use __free(put_cpufreq_policy) for policy reference
ACPI: processor: thermal: Use __free(put_cpufreq_policy) for policy
reference
cpufreq: brcmstb-avs-cpufreq: Use __free(put_cpufreq_policy) for
policy reference
cpufreq: CPPC: Use __free(put_cpufreq_policy) for policy reference
cpufreq: intel_pstate: Use __free(put_cpufreq_policy) for policy
reference
cpufreq: longhaul: Use __free(put_cpufreq_policy) for policy reference
cpufreq: mediatek: Use __free(put_cpufreq_policy) for policy reference
cpufreq: powernv: Use __free(put_cpufreq_policy) for policy reference
cpufreq: s5pv210: Use __free(put_cpufreq_policy) for policy reference
cpufreq: tegra186: Use __free(put_cpufreq_policy) for policy reference
PM / devfreq: Use __free(put_cpufreq_policy) for policy reference
drm/i915: Use __free(put_cpufreq_policy) for policy reference
cpufreq: powerpc: macintosh: Use __free(put_cpufreq_policy) for policy
reference
powercap: dtpm_cpu: Use __free(put_cpufreq_policy) for policy
reference
thermal: imx: Use __free(put_cpufreq_policy) for policy reference
thermal/drivers/ti-soc-thermal: Use __free(put_cpufreq_policy) for
policy reference
PM: EM: Use __free(put_cpufreq_policy) for policy reference
arch/arm64/kernel/topology.c | 9 +++----
arch/x86/kvm/x86.c | 10 ++++----
drivers/acpi/processor_thermal.c | 12 +++-------
drivers/cpufreq/brcmstb-avs-cpufreq.c | 4 +---
drivers/cpufreq/cppc_cpufreq.c | 4 +---
drivers/cpufreq/intel_pstate.c | 3 +--
drivers/cpufreq/longhaul.c | 3 +--
drivers/cpufreq/mediatek-cpufreq.c | 6 ++---
drivers/cpufreq/powernv-cpufreq.c | 7 +++---
drivers/cpufreq/s5pv210-cpufreq.c | 3 +--
drivers/cpufreq/tegra186-cpufreq.c | 3 +--
drivers/devfreq/governor_passive.c | 19 ++++-----------
drivers/gpu/drm/i915/gt/intel_llc.c | 3 +--
drivers/macintosh/windfarm_cpufreq_clamp.c | 4 +---
drivers/powercap/dtpm_cpu.c | 24 ++++++-------------
drivers/thermal/imx_thermal.c | 13 ++++------
.../ti-soc-thermal/ti-thermal-common.c | 12 ++++------
kernel/power/energy_model.c | 7 ++----
18 files changed, 46 insertions(+), 100 deletions(-)
--
2.25.1
next reply other threads:[~2025-08-27 2:32 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-27 2:31 Zihuan Zhang [this message]
2025-08-27 2:31 ` [PATCH v2 01/18] arm64: topology: Use __free(put_cpufreq_policy) for policy reference Zihuan Zhang
2025-08-27 8:30 ` Ben Horgan
2025-08-27 8:55 ` Zihuan Zhang
2025-08-27 9:12 ` Ben Horgan
2025-08-27 9:21 ` Zihuan Zhang
2025-08-27 9:17 ` Sudeep Holla
[not found] ` <1756341899099493.57.seg@mailgw.kylinos.cn>
2025-08-28 2:32 ` Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 02/18] KVM: x86: " Zihuan Zhang
2025-08-27 14:13 ` Sean Christopherson
2025-08-28 1:17 ` Zihuan Zhang
2025-08-28 17:15 ` Sean Christopherson
2025-08-27 2:31 ` [PATCH v2 03/18] ACPI: processor: thermal: " Zihuan Zhang
2025-08-28 9:40 ` Rafael J. Wysocki
2025-08-29 1:09 ` Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 04/18] cpufreq: brcmstb-avs-cpufreq: " Zihuan Zhang
2025-08-29 5:59 ` Viresh Kumar
2025-08-29 6:16 ` Zihuan Zhang
2025-08-29 6:26 ` Viresh Kumar
2025-08-29 6:32 ` Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 05/18] cpufreq: CPPC: " Zihuan Zhang
2025-08-29 6:04 ` Viresh Kumar
2025-08-27 2:31 ` [PATCH v2 06/18] cpufreq: intel_pstate: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 07/18] cpufreq: longhaul: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 08/18] cpufreq: mediatek: " Zihuan Zhang
2025-08-29 6:18 ` Viresh Kumar
2025-08-27 2:31 ` [PATCH v2 09/18] cpufreq: powernv: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 10/18] cpufreq: s5pv210: " Zihuan Zhang
2025-08-29 6:13 ` Viresh Kumar
2025-08-27 2:31 ` [PATCH v2 11/18] cpufreq: tegra186: " Zihuan Zhang
2025-08-29 6:29 ` Viresh Kumar
2025-08-27 2:31 ` [PATCH v2 12/18] PM / devfreq: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 13/18] drm/i915: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 14/18] cpufreq: powerpc: macintosh: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 15/18] powercap: dtpm_cpu: " Zihuan Zhang
2025-08-27 2:32 ` [PATCH v2 16/18] thermal: imx: " Zihuan Zhang
2025-08-27 2:32 ` [PATCH v2 17/18] thermal/drivers/ti-soc-thermal: " Zihuan Zhang
2025-08-27 2:32 ` [PATCH v2 18/18] PM: EM: " Zihuan Zhang
2025-08-27 3:50 ` [PATCH v2 15/18] powercap: dtpm_cpu: " Zihuan Zhang
2025-08-27 5:21 ` Zihuan Zhang
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