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Subjectarch/arm/kernel/irq.c:51:12: sparse: sparse: symbol '__pcpu_scope_irq_stack_ptr' was not declared. Should it be static?
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9f09069cde34dcd86f5ecf3a3139fd752020812f
commit: cafc0eab168917ec9c0cd47d530a40cd40eb2928 ARM: v7m: enable support for IRQ stacks
date: 7 months ago
config: arm-randconfig-s032-20220707 (https://download.01.org/0day-ci/archive/20220707/202207071821.c9MBQzRh-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cafc0eab168917ec9c0cd47d530a40cd40eb2928
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout cafc0eab168917ec9c0cd47d530a40cd40eb2928
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/kernel/ drivers/clk/qcom/ drivers/remoteproc/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> arch/arm/kernel/irq.c:51:12: sparse: sparse: symbol '__pcpu_scope_irq_stack_ptr' was not declared. Should it be static?

vim +/__pcpu_scope_irq_stack_ptr +51 arch/arm/kernel/irq.c

d4664b6c987f803 Ard Biesheuvel 2021-10-05 50
d4664b6c987f803 Ard Biesheuvel 2021-10-05 @51 asmlinkage DEFINE_PER_CPU_READ_MOSTLY(u8 *, irq_stack_ptr);
d4664b6c987f803 Ard Biesheuvel 2021-10-05 52

:::::: The code at line 51 was first introduced by commit
:::::: d4664b6c987f80338407889c1e3f3abe7e16be94 ARM: implement IRQ stacks

:::::: TO: Ard Biesheuvel <ardb@kernel.org>
:::::: CC: Ard Biesheuvel <ardb@kernel.org>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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