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Date: Fri, 1 Mar 2024 19:03:12 +0800
From: kernel test robot <lkp@intel.com>
To: =?iso-8859-1?Q?Micka=EBl_Sala=FCn?= <mic@digikod.net>,
	Brendan Higgins <brendanhiggins@google.com>,
	David Gow <davidgow@google.com>, Kees Cook <keescook@chromium.org>,
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Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	=?iso-8859-1?Q?Micka=EBl_Sala=FCn?= <mic@digikod.net>,
	Alan Maguire <alan.maguire@oracle.com>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H . Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
	James Morris <jamorris@linux.microsoft.com>,
	Luis Chamberlain <mcgrof@kernel.org>,
	"Madhavan T . Venkataraman" <madvenka@linux.microsoft.com>,
	Marco Pagani <marpagan@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Thara Gopinath <tgopinath@microsoft.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Zahra Tarkhani <ztarkhani@microsoft.com>, kvm@vger.kernel.org,
	linux-hardening@vger.kernel.org, linux-hyperv@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org,
	linux-um@lists.infradead.org, x86@kernel.org
Subject: Re: [PATCH v1 1/8] kunit: Run tests when the kernel is fully setup
Message-ID: <202403011856.cJe6do38-lkp@intel.com>
References: <20240229170409.365386-2-mic@digikod.net>
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In-Reply-To: <20240229170409.365386-2-mic@digikod.net>

Hi Micka?l,

kernel test robot noticed the following build warnings:

[auto build test WARNING on d206a76d7d2726f3b096037f2079ce0bd3ba329b]

url:    https://github.com/intel-lab-lkp/linux/commits/Micka-l-Sala-n/kunit-Run-tests-when-the-kernel-is-fully-setup/20240301-011020
base:   d206a76d7d2726f3b096037f2079ce0bd3ba329b
patch link:    https://lore.kernel.org/r/20240229170409.365386-2-mic%40digikod.net
patch subject: [PATCH v1 1/8] kunit: Run tests when the kernel is fully setup
config: s390-defconfig (https://download.01.org/0day-ci/archive/20240301/202403011856.cJe6do38-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 325f51237252e6dab8e4e1ea1fa7acbb4faee1cd)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240301/202403011856.cJe6do38-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/202403011856.cJe6do38-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from lib/kunit/executor.c:4:
   In file included from include/kunit/test.h:24:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/s390/include/asm/elf.h:173:
   In file included from arch/s390/include/asm/mmu_context.h:11:
   In file included from arch/s390/include/asm/pgalloc.h:18:
   In file included from include/linux/mm.h:2188:
   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 +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> lib/kunit/executor.c:18:31: warning: unused variable 'final_suite_set' [-Wunused-variable]
      18 | static struct kunit_suite_set final_suite_set = {};
         |                               ^~~~~~~~~~~~~~~
   6 warnings generated.


vim +/final_suite_set +18 lib/kunit/executor.c

    17	
  > 18	static struct kunit_suite_set final_suite_set = {};
    19	

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