Re: [PATCH v2 4/4] irqchip/gicv3: Add workaround for FUJITSU-MONAKA erratum E#030003

Re: [PATCH v2 4/4] irqchip/gicv3: Add workaround for FUJITSU-MONAKA erratum E#030003

[kernel test robot]

Hi Tomohiro,

kernel test robot noticed the following build errors:

[auto build test ERROR on 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907]

url:    https://github.com/intel-lab-lkp/linux/commits/Tomohiro-Misono/arm64-cputype-Add-FUJITSU-MONAKA-definition/20261016-190045
base:   24a19b953e2a3d0ea5a8c4951a0ab8f32720c907
patch link:    https://lore.kernel.org/r/20261016-monaka-fix-for-upstream-v2-4-fc7ede7f9f48%40fujitsu.com
patch subject: [PATCH v2 4/4] irqchip/gicv3: Add workaround for FUJITSU-MONAKA erratum E#030003
config: arm-defconfig (https://download.01.org/0day-ci/archive/20261017/202610171939.VWCcPPra-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 6719b9e31d6a93099612c474eec76d9f41d0275a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261017/202610171939.VWCcPPra-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610171939.VWCcPPra-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/irqchip/irq-gic-v3.c:1892:34: error: use of undeclared identifier 'ARM_CPU_IMP_FUJITSU'
    1892 |         if (read_cpuid_implementor() != ARM_CPU_IMP_FUJITSU ||
         |                                         ^~~~~~~~~~~~~~~~~~~
>> drivers/irqchip/irq-gic-v3.c:1893:34: error: use of undeclared identifier 'FUJITSU_CPU_PART_MONAKA'
    1893 |             read_cpuid_part_number() != FUJITSU_CPU_PART_MONAKA)
         |                                         ^~~~~~~~~~~~~~~~~~~~~~~
   2 errors generated.


vim +/ARM_CPU_IMP_FUJITSU +1892 drivers/irqchip/irq-gic-v3.c

  1889	
  1890	static bool gic_enable_quirk_fujitsu_030003(void *data)
  1891	{
> 1892		if (read_cpuid_implementor() != ARM_CPU_IMP_FUJITSU ||
> 1893		    read_cpuid_part_number() != FUJITSU_CPU_PART_MONAKA)
  1894			return false;
  1895	
  1896		static_branch_enable(&gic_fujitsu_030003_erratum);
  1897		return true;
  1898	}
  1899	

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

Re: [PATCH v2 4/4] irqchip/gicv3: Add workaround for FUJITSU-MONAKA erratum E#030003

[Kohei Enju]

On 10/17 19:48, kernel test robot wrote:
> Hi Tomohiro,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Tomohiro-Misono/arm64-cputype-Add-FUJITSU-MONAKA-definition/20261016-190045
> base:   24a19b953e2a3d0ea5a8c4951a0ab8f32720c907
> patch link:    https://lore.kernel.org/r/20261016-monaka-fix-for-upstream-v2-4-fc7ede7f9f48%40fujitsu.com
> patch subject: [PATCH v2 4/4] irqchip/gicv3: Add workaround for FUJITSU-MONAKA erratum E#030003
> config: arm-defconfig (https://download.01.org/0day-ci/archive/20261017/202610171939.VWCcPPra-lkp@intel.com/config)
> compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 6719b9e31d6a93099612c474eec76d9f41d0275a)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261017/202610171939.VWCcPPra-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@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202610171939.VWCcPPra-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
> >> drivers/irqchip/irq-gic-v3.c:1892:34: error: use of undeclared identifier 'ARM_CPU_IMP_FUJITSU'
>     1892 |         if (read_cpuid_implementor() != ARM_CPU_IMP_FUJITSU ||
>          |                                         ^~~~~~~~~~~~~~~~~~~
> >> drivers/irqchip/irq-gic-v3.c:1893:34: error: use of undeclared identifier 'FUJITSU_CPU_PART_MONAKA'
>     1893 |             read_cpuid_part_number() != FUJITSU_CPU_PART_MONAKA)
>          |                                         ^~~~~~~~~~~~~~~~~~~~~~~
>    2 errors generated.

Oops, I missed testing this with CONFIG_ARM=y. I will fix this in v3.