Re: [PATCH v3 06/10] ACPI: APEI: GHES: move CXL CPER helpers

kernel test robot
2026-03-20T06:24:52Z

Hi Ahmed,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 2d1373e4246da3b58e1df058374ed6b101804e07]

url: https://github.com/intel-lab-lkp/linux/commits/Ahmed-Tiba/ACPI-APEI-GHES-share-macros-via-a-private-header/20260319-115432
base: 2d1373e4246da3b58e1df058374ed6b101804e07
patch link: https://lore.kernel.org/r/20260318-topics-ahmtib01-ras_ffh_arm_internal_review-v3-6-48e6a1c249ef%40arm.com
patch subject: [PATCH v3 06/10] ACPI: APEI: GHES: move CXL CPER helpers
config: x86_64-randconfig-122-20260320 (https://download.01.org/0day-ci/archive/20260320/202603201429.rbHMPOvC-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260320/202603201429.rbHMPOvC-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/202603201429.rbHMPOvC-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/acpi/apei/ghes_cper.c:391:1: sparse: sparse: symbol 'cxl_cper_fifo' was not declared. Should it be static?

vim +/cxl_cper_fifo +391 drivers/acpi/apei/ghes_cper.c

388
389 /* Room for 8 entries for each of the 4 event log queues */
390 #define CXL_CPER_FIFO_DEPTH 32
> 391 DEFINE_KFIFO(cxl_cper_fifo, struct cxl_cper_work_data, CXL_CPER_FIFO_DEPTH);
392

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