* Re: [REGRESSION] next/master: (build) implicit declaration of function ‘topology_core_has_smt’; did you ...
[not found] <176225394342.3644.6412596085150396269@efdf33580483>
@ 2025-11-08 3:11 ` Randy Dunlap
2025-11-10 11:22 ` Will Deacon
0 siblings, 1 reply; 2+ messages in thread
From: Randy Dunlap @ 2025-11-08 3:11 UTC (permalink / raw)
To: kernelci, kernelci-results, Linux ARM, linux-perf-users,
Will Deacon, Mark Rutland
Cc: regressions, gus, linux-next
[verified still present in linux-next 20251107]
[adding CCs]
On 11/4/25 2:59 AM, KernelCI bot wrote:
>
>
>
>
> Hello,
>
> New build issue found on next/master:
>
> ---
> implicit declaration of function ‘topology_core_has_smt’; did you mean ‘topology_core_cpumask’? [-Werror=implicit-function-declaration] in drivers/perf/arm_pmu.o (drivers/perf/arm_pmu.c) [logspec:kbuild,kbuild.compiler.error]
> ---
>
> - dashboard: https://d.kernelci.org/i/maestro:b25c03bf6acc100aaa7e71de7eb2cb32868b54f5
> - giturl: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> - commit HEAD: 17490bd0527f59d841168457b245581f314b5fa0
> - tags: next-20251104
>
>
> Log excerpt:
> =====================================================
> drivers/perf/arm_pmu.c:935:24: error: implicit declaration of function ‘topology_core_has_smt’; did you mean ‘topology_core_cpumask’? [-Werror=implicit-function-declaration]
> 935 | pmu->has_smt = topology_core_has_smt(cpumask_first(&pmu->supported_cpus));
> | ^~~~~~~~~~~~~~~~~~~~~
> | topology_core_cpumask
> CC drivers/iio/adc/bcm_iproc_adc.o
> CC drivers/devfreq/governor_simpleondemand.o
> CC drivers/memory/tegra/tegra124.o
> CC drivers/memory/brcmstb_dpfe.o
> cc1: some warnings being treated as errors
> CC drivers/memory/tegra/tegra20-emc.o
>
> =====================================================
>
>
> # Builds where the incident occurred:
>
> ## multi_v7_defconfig+CONFIG_SMP=n on (arm):
> - compiler: gcc-12
> - config: https://files.kernelci.org/kbuild-gcc-12-arm-SMP-6909cb01f21f07610dca0839/.config
> - dashboard: https://d.kernelci.org/build/maestro:6909cb01f21f07610dca0839
>
>
> #kernelci issue maestro:b25c03bf6acc100aaa7e71de7eb2cb32868b54f5
>
> Reported-by: kernelci.org bot <bot@kernelci.org>
>
> --
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>
--
~Randy
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