linux-kernel - arch/riscv/kernel/unaligned_access_speed.c:22:1: sparse: sparse: symbol '__pcpu_scope_misaligned_access_speed' was not declared. Should it be static?

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Message-ID: <202502250928.pomaaBLM-lkp@intel.com>
Date: Tue, 25 Feb 2025 09:21:06 +0800
From: kernel test robot <lkp@...el.com>
To: Jesse Taube <jesse@...osinc.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Palmer Dabbelt <palmer@...osinc.com>,
	Charlie Jenkins <charlie@...osinc.com>
Subject: arch/riscv/kernel/unaligned_access_speed.c:22:1: sparse: sparse:
 symbol '__pcpu_scope_misaligned_access_speed' was not declared. Should it be
 static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d082ecbc71e9e0bf49883ee4afd435a77a5101b6
commit: d1703dc7bc8ec7adb91f5ceaf1556ff1ed212858 RISC-V: Detect unaligned vector accesses supported
date:   4 months ago
config: riscv-randconfig-r131-20250225 (https://download.01.org/0day-ci/archive/20250225/202502250928.pomaaBLM-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20250225/202502250928.pomaaBLM-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502250928.pomaaBLM-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/riscv/kernel/unaligned_access_speed.c:22:1: sparse: sparse: symbol '__pcpu_scope_misaligned_access_speed' was not declared. Should it be static?
   arch/riscv/kernel/unaligned_access_speed.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
   include/linux/page-flags.h:237:46: sparse: sparse: self-comparison always evaluates to false
   include/linux/page-flags.h:237:46: sparse: sparse: self-comparison always evaluates to false

vim +/__pcpu_scope_misaligned_access_speed +22 arch/riscv/kernel/unaligned_access_speed.c

    21	
  > 22	DEFINE_PER_CPU(long, misaligned_access_speed) = RISCV_HWPROBE_MISALIGNED_SCALAR_UNKNOWN;
    23	DEFINE_PER_CPU(long, vector_misaligned_access) = RISCV_HWPROBE_MISALIGNED_VECTOR_UNSUPPORTED;
    24	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki