linux-kernel - [s390] pci_irq.c:106: error: implicit declaration of function 'smp_cpu_get_cpu

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Date:   Thu, 10 Dec 2020 20:48:09 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        linux-stable <stable@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, Sasha Levin <sashal@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Niklas Schnelle <schnelle@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        linux-s390@...r.kernel.org, Halil Pasic <pasic@...ux.ibm.com>
Subject: [s390] pci_irq.c:106: error: implicit declaration of function 'smp_cpu_get_cpu_address'

While building S390 the following kernel warning / error noticed
on stable -rc 5.4 branch with gcc-8, gcc-9 and gcc-10 and defconfig

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/6/tmp ARCH=s390
CROSS_COMPILE=s390x-linux-gnu- 'CC=sccache s390x-linux-gnu-gcc'
'HOSTCC=sccache gcc' vmlinux
arch/s390/pci/pci_irq.c: In function 'zpci_set_irq_affinity':
arch/s390/pci/pci_irq.c:106:17: error: implicit declaration of
function 'smp_cpu_get_cpu_address'
[-Werror=implicit-function-declaration]
  106 |  int cpu_addr = smp_cpu_get_cpu_address(cpumask_first(dest));
      |                 ^~~~~~~~~~~~~~~~~~~~~~~


Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>

steps to reproduce:
--------------------------
# TuxMake is a command line tool and Python library that provides
# portable and repeatable Linux kernel builds across a variety of
# architectures, toolchains, kernel configurations, and make targets.
#
# TuxMake supports the concept of runtimes.
# See https://docs.tuxmake.org/runtimes/, for that to work it requires
# that you install podman or docker on your system.
#
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake
#
# See https://docs.tuxmake.org/ for complete documentation.

tuxmake --runtime docker --target-arch s390 --toolchain gcc-9
--kconfig defconfig

metadata:
    git_repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
    target_arch: s390
    toolchain: gcc-9
    git_short_log: 82a0751eb2d3 (\Linux 5.4.83-rc1\)
    git_describe: v5.4.82-55-g82a0751eb2d3
    kernel_version: 5.4.83-rc1
    download_url: https://builds.tuxbuild.com/1lTC2KYDTwqeueHNt1eiSzoLiFb/


full build log link,
https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc/-/jobs/903123659#L158


--
Linaro LKFT
https://lkft.linaro.org