[PATCH v3 10/10] RAS: add firmware-first CPER provider

kernel test robot lkp at intel.com
Thu Mar 19 12:49:57 PDT 2026


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-v3-10-48e6a1c249ef%40arm.com
patch subject: [PATCH v3 10/10] RAS: add firmware-first CPER provider
config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260320/202603200337.hRVhVYpU-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260320/202603200337.hRVhVYpU-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603200337.hRVhVYpU-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/ras/cper-esource.c:26:
>> include/acpi/ghes_cper.h:105:44: warning: 'enum fixed_addresses' declared inside parameter list will not be visible outside of this definition or declaration
     105 |                       u64 *buf_paddr, enum fixed_addresses fixmap_idx);
         |                                            ^~~~~~~~~~~~~~~
   include/acpi/ghes_cper.h:108:45: warning: 'enum fixed_addresses' declared inside parameter list will not be visible outside of this definition or declaration
     108 |                         u64 buf_paddr, enum fixed_addresses fixmap_idx);
         |                                             ^~~~~~~~~~~~~~~
   include/acpi/ghes_cper.h:111:46: warning: 'enum fixed_addresses' declared inside parameter list will not be visible outside of this definition or declaration
     111 |                         u64 *buf_paddr, enum fixed_addresses fixmap_idx);
         |                                              ^~~~~~~~~~~~~~~
   include/acpi/ghes_cper.h:115:45: warning: 'enum fixed_addresses' declared inside parameter list will not be visible outside of this definition or declaration
     115 |                         u64 buf_paddr, enum fixed_addresses fixmap_idx,
         |                                             ^~~~~~~~~~~~~~~
   drivers/ras/cper-esource.c: In function 'cper_esource_ack':
   drivers/ras/cper-esource.c:84:23: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
      84 |                 val = readq(ctx->ack.addr);
         |                       ^~~~~
         |                       readl
   drivers/ras/cper-esource.c:87:17: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
      87 |                 writeq(val, ctx->ack.addr);
         |                 ^~~~~~
         |                 writel
   cc1: some warnings being treated as errors


vim +105 include/acpi/ghes_cper.h

7f6d32e88c31e2 Ahmed Tiba 2026-03-18  102  
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  103  int ghes_read_estatus(struct ghes *ghes,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  104  		      struct acpi_hest_generic_status *estatus,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18 @105  		      u64 *buf_paddr, enum fixed_addresses fixmap_idx);
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  106  void ghes_clear_estatus(struct ghes *ghes,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  107  			struct acpi_hest_generic_status *estatus,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  108  			u64 buf_paddr, enum fixed_addresses fixmap_idx);
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  109  int __ghes_peek_estatus(struct ghes *ghes,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  110  			struct acpi_hest_generic_status *estatus,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  111  			u64 *buf_paddr, enum fixed_addresses fixmap_idx);
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  112  int __ghes_check_estatus(struct ghes *ghes,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  113  			 struct acpi_hest_generic_status *estatus);
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  114  int __ghes_read_estatus(struct acpi_hest_generic_status *estatus,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  115  			u64 buf_paddr, enum fixed_addresses fixmap_idx,
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  116  			size_t buf_len);
dacb62d12abb41 Ahmed Tiba 2026-03-18  117  int ghes_estatus_cached(struct acpi_hest_generic_status *estatus);
dacb62d12abb41 Ahmed Tiba 2026-03-18  118  void ghes_estatus_cache_add(struct acpi_hest_generic *generic,
dacb62d12abb41 Ahmed Tiba 2026-03-18  119  			    struct acpi_hest_generic_status *estatus);
40686d3c8f0a4d Ahmed Tiba 2026-03-18  120  int ghes_register_vendor_record_notifier(struct notifier_block *nb);
40686d3c8f0a4d Ahmed Tiba 2026-03-18  121  void ghes_unregister_vendor_record_notifier(struct notifier_block *nb);
648c11f76ec605 Ahmed Tiba 2026-03-18  122  void ghes_defer_non_standard_event(struct acpi_hest_generic_data *gdata,
648c11f76ec605 Ahmed Tiba 2026-03-18  123  				   int sev);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  124  int ghes_severity(int severity);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  125  bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  126  				int sev, bool sync);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  127  bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  128  			      int sev, bool sync);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  129  void ghes_handle_aer(struct acpi_hest_generic_data *gdata);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  130  void ghes_log_hwerr(int sev, guid_t *sec_type);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  131  void __ghes_print_estatus(const char *pfx,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  132  			  const struct acpi_hest_generic *generic,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  133  			  const struct acpi_hest_generic_status *estatus);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  134  int ghes_print_estatus(const char *pfx,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  135  		       const struct acpi_hest_generic *generic,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  136  		       const struct acpi_hest_generic_status *estatus);
0eb637ae58ed14 Ahmed Tiba 2026-03-18  137  void ghes_cper_handle_status(struct device *dev,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  138  			     const struct acpi_hest_generic *generic,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  139  			     const struct acpi_hest_generic_status *estatus,
0eb637ae58ed14 Ahmed Tiba 2026-03-18  140  			     bool sync);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  141  void cxl_cper_post_prot_err(struct cxl_cper_sec_prot_err *prot_err,
baccdf38fe1b81 Ahmed Tiba 2026-03-18  142  			    int severity);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  143  int cxl_cper_register_prot_err_work(struct work_struct *work);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  144  int cxl_cper_unregister_prot_err_work(struct work_struct *work);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  145  int cxl_cper_prot_err_kfifo_get(struct cxl_cper_prot_err_work_data *wd);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  146  void cxl_cper_post_event(enum cxl_event_type event_type,
baccdf38fe1b81 Ahmed Tiba 2026-03-18  147  			 struct cxl_cper_event_rec *rec);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  148  int cxl_cper_register_work(struct work_struct *work);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  149  int cxl_cper_unregister_work(struct work_struct *work);
baccdf38fe1b81 Ahmed Tiba 2026-03-18  150  int cxl_cper_kfifo_get(struct cxl_cper_work_data *wd);
7f6d32e88c31e2 Ahmed Tiba 2026-03-18  151  

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