linux-kernel - Re: [PATCH v5 1/7] x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill

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Date: Tue, 30 Apr 2024 11:37:33 +0800
From: kernel test robot <lkp@...el.com>
To: Robert Richter <rrichter@....com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	Andy Lutomirski <luto@...nel.org>,
	Alison Schofield <alison.schofield@...el.com>,
	Dan Williams <dan.j.williams@...el.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-cxl@...r.kernel.org,
	Robert Richter <rrichter@....com>,
	Derick Marks <derick.w.marks@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v5 1/7] x86/numa: Fix SRAT lookup of CFMWS ranges with
 numa_fill_memblks()

Hi Robert,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 62dba604a4883169abf959b7d09449900e7d4537]

url:    https://github.com/intel-lab-lkp/linux/commits/Robert-Richter/x86-numa-Fix-SRAT-lookup-of-CFMWS-ranges-with-numa_fill_memblks/20240429-205337
base:   62dba604a4883169abf959b7d09449900e7d4537
patch link:    https://lore.kernel.org/r/20240429124955.2294014-2-rrichter%40amd.com
patch subject: [PATCH v5 1/7] x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill_memblks()
config: arm64-randconfig-r121-20240430 (https://download.01.org/0day-ci/archive/20240430/202404301142.aJtZ8Xh9-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 37ae4ad0eef338776c7e2cffb3896153d43dcd90)
reproduce: (https://download.01.org/0day-ci/archive/20240430/202404301142.aJtZ8Xh9-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/202404301142.aJtZ8Xh9-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/acpi/numa/srat.c:15:
   In file included from include/linux/acpi.h:39:
   In file included from include/acpi/acpi_io.h:7:
   In file included from arch/arm64/include/asm/acpi.h:14:
   In file included from include/linux/memblock.h:12:
   In file included from include/linux/mm.h:2208:
   include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     508 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     509 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     515 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     516 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     522 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     527 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     528 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     536 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     537 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/acpi/numa/srat.c:211:19: warning: no previous prototype for function 'numa_fill_memblks' [-Wmissing-prototypes]
     211 | __weak int __init numa_fill_memblks(u64 start, u64 end)
         |                   ^
   drivers/acpi/numa/srat.c:211:8: note: declare 'static' if the function is not intended to be used outside of this translation unit
     211 | __weak int __init numa_fill_memblks(u64 start, u64 end)
         |        ^
         |        static 
   6 warnings generated.


vim +/numa_fill_memblks +211 drivers/acpi/numa/srat.c

   210	
 > 211	__weak int __init numa_fill_memblks(u64 start, u64 end)
   212	{
   213		return NUMA_NO_MEMBLK;
   214	}
   215	

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