From: Yury Norov <ynorov@nvidia.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Yury Norov <ynorov@nvidia.com>
Cc: "Russell King" <linux@armlinux.org.uk>,
"Frank Li" <Frank.Li@nxp.com>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Arnaldo Carvalho de Melo" <acme@kernel.org>,
"Namhyung Kim" <namhyung@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"Jiri Olsa" <jolsa@kernel.org>, "Ian Rogers" <irogers@google.com>,
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"James Clark" <james.clark@linaro.org>,
"Thomas Gleixner" <tglx@kernel.org>,
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"Dave Hansen" <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
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"Xu Yang" <xu.yang_2@nxp.com>,
"Linu Cherian" <lcherian@marvell.com>,
"Gowthami Thiagarajan" <gthiagarajan@marvell.com>,
"Ji Sheng Teoh" <jisheng.teoh@starfivetech.com>,
"Khuong Dinh" <khuong@os.amperecomputing.com>,
"Yury Norov" <yury.norov@gmail.com>,
"Kees Cook" <kees@kernel.org>,
"Thomas Weißschuh" <thomas.weissschuh@linutronix.de>,
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"Besar Wicaksono" <bwicaksono@nvidia.com>,
"Ma Ke" <make24@iscas.ac.cn>,
"Chengwen Feng" <fengchengwen@huawei.com>,
"Ritesh Harjani" <ritesh.list@gmail.com>,
"Yushan Wang" <wangyushan12@huawei.com>,
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linux-arm-msm@vger.kernel.org
Subject: [PATCH v2 00/11] lib/cpumask: get rid of cpumap_print_to_pagebuf()
Date: Thu, 2 Jul 2026 11:47:13 -0400 [thread overview]
Message-ID: <20260702154725.185376-1-ynorov@nvidia.com> (raw)
cpumap_print_to_pagebuf() is the equivalent for the "&*pb[l]" notation
in printk-like functions. In some cases, it makes people to create
temporary buffers for the printed cpumasks, where it can be avoided.
Get rid of it in a favor of more standard printing API.
Each patch, except for the last one, is independent and may be moved with
the corresponding subsystem. Or I can take it in bitmap-for-next, at
maintainers' discretion.
On top of -next.
This is the resend of:
https://lore.kernel.org/all/20260528183625.870813-1-ynorov@nvidia.com/
Except the patches merged in 7.1 cycle. I'm going to apply the material
in 7.2 unless explicit NAKs received.
Yury Norov (11):
arm: Use sysfs_emit() for cpumask show callbacks
powerpc: Use sysfs_emit() for cpumask show callbacks
x86/events: Use sysfs_emit() for cpumask show callbacks
cpu: Use sysfs_emit() for cpumask show callback
devfreq: Use sysfs_emit() for cpumask show callbacks
fpga: dfl-fme-perf: Use sysfs_emit() for cpumask show
hwtracing: hisi_ptt: Use sysfs_emit() for cpumask show
RDMA/hfi1: Use sysfs_emit() for cpumask show helper
PCI/sysfs: Use sysfs_emit() for cpumask show callbacks
perf: Use sysfs_emit() for cpumask show callbacks
lib/bitmap-str: get rid of cpumap_print_to_pagebuf()
arch/arm/mach-imx/mmdc.c | 2 +-
arch/arm/mm/cache-l2x0-pmu.c | 2 +-
arch/powerpc/kernel/cacheinfo.c | 3 ++-
arch/powerpc/perf/hv-24x7.c | 2 +-
arch/powerpc/perf/hv-gpci.c | 2 +-
arch/powerpc/perf/imc-pmu.c | 2 +-
arch/x86/events/amd/iommu.c | 2 +-
arch/x86/events/amd/power.c | 2 +-
arch/x86/events/amd/uncore.c | 2 +-
arch/x86/events/intel/core.c | 2 +-
arch/x86/events/intel/uncore.c | 2 +-
drivers/base/cpu.c | 2 +-
drivers/devfreq/event/rockchip-dfi.c | 2 +-
drivers/devfreq/hisi_uncore_freq.c | 2 +-
drivers/fpga/dfl-fme-perf.c | 2 +-
drivers/hwtracing/ptt/hisi_ptt.c | 2 +-
drivers/infiniband/hw/hfi1/sdma.c | 3 ++-
drivers/pci/pci-sysfs.c | 7 ++++---
drivers/perf/alibaba_uncore_drw_pmu.c | 2 +-
drivers/perf/amlogic/meson_ddr_pmu_core.c | 2 +-
drivers/perf/arm-cci.c | 2 +-
drivers/perf/arm-ccn.c | 2 +-
drivers/perf/arm-cmn.c | 2 +-
drivers/perf/arm-ni.c | 2 +-
drivers/perf/arm_cspmu/arm_cspmu.c | 2 +-
drivers/perf/arm_dmc620_pmu.c | 4 ++--
drivers/perf/arm_dsu_pmu.c | 2 +-
drivers/perf/arm_pmu.c | 2 +-
drivers/perf/arm_smmuv3_pmu.c | 2 +-
drivers/perf/arm_spe_pmu.c | 2 +-
drivers/perf/cxl_pmu.c | 2 +-
drivers/perf/dwc_pcie_pmu.c | 2 +-
drivers/perf/fsl_imx8_ddr_perf.c | 2 +-
drivers/perf/fsl_imx9_ddr_perf.c | 2 +-
drivers/perf/fujitsu_uncore_pmu.c | 2 +-
drivers/perf/hisilicon/hisi_pcie_pmu.c | 2 +-
drivers/perf/hisilicon/hisi_uncore_pmu.c | 2 +-
drivers/perf/marvell_cn10k_ddr_pmu.c | 2 +-
drivers/perf/marvell_cn10k_tad_pmu.c | 2 +-
drivers/perf/marvell_pem_pmu.c | 2 +-
drivers/perf/nvidia_t410_c2c_pmu.c | 2 +-
drivers/perf/nvidia_t410_cmem_latency_pmu.c | 2 +-
drivers/perf/qcom_l2_pmu.c | 2 +-
drivers/perf/qcom_l3_pmu.c | 2 +-
drivers/perf/starfive_starlink_pmu.c | 2 +-
drivers/perf/thunderx2_pmu.c | 2 +-
drivers/perf/xgene_pmu.c | 2 +-
include/linux/cpumask.h | 19 -------------------
kernel/events/core.c | 2 +-
lib/bitmap-str.c | 9 ++++-----
50 files changed, 58 insertions(+), 75 deletions(-)
--
2.53.0
next reply other threads:[~2026-07-02 15:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-02 15:47 Yury Norov [this message]
2026-07-02 15:47 ` [PATCH v2 01/11] arm: Use sysfs_emit() for cpumask show callbacks Yury Norov
2026-07-02 15:58 ` Greg Kroah-Hartman
2026-07-02 16:05 ` Yury Norov
2026-07-02 15:47 ` [PATCH v2 02/11] powerpc: " Yury Norov
2026-07-02 15:47 ` [PATCH v2 03/11] x86/events: " Yury Norov
2026-07-02 15:47 ` [PATCH v2 04/11] cpu: Use sysfs_emit() for cpumask show callback Yury Norov
2026-07-02 15:47 ` [PATCH v2 05/11] devfreq: Use sysfs_emit() for cpumask show callbacks Yury Norov
2026-07-02 15:47 ` [PATCH v2 06/11] fpga: dfl-fme-perf: Use sysfs_emit() for cpumask show Yury Norov
2026-07-02 15:47 ` [PATCH v2 07/11] hwtracing: hisi_ptt: " Yury Norov
2026-07-02 15:47 ` [PATCH v2 08/11] RDMA/hfi1: Use sysfs_emit() for cpumask show helper Yury Norov
2026-07-02 15:47 ` [PATCH v2 09/11] PCI/sysfs: Use sysfs_emit() for cpumask show callbacks Yury Norov
2026-07-02 15:47 ` [PATCH v2 10/11] perf: " Yury Norov
2026-07-02 16:21 ` Robin Murphy
2026-07-02 15:47 ` [PATCH v2 11/11] lib/bitmap-str: get rid of cpumap_print_to_pagebuf() Yury Norov
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