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Date: Sat, 2 Mar 2024 09:32:05 +0800
From: kernel test robot <lkp@intel.com>
To: Sandipan Das <sandipan.das@amd.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>
Subject: arch/x86/events/amd/uncore.c:601:10: sparse: sparse: incorrect type
 in initializer (different address spaces)
Message-ID: <202403020941.UCnNA0rh-lkp@intel.com>
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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d17468c6f1f49e6259698f6401b8d7a5b90eac68
commit: 07888daa056e809de0b6b234116b575c11f9f99d perf/x86/amd/uncore: Move discovery and registration
date:   5 months ago
config: x86_64-randconfig-r122-20240301 (https://download.01.org/0day-ci/archive/20240302/202403020941.UCnNA0rh-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240302/202403020941.UCnNA0rh-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/202403020941.UCnNA0rh-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)


vim +601 arch/x86/events/amd/uncore.c

   582	
   583	static
   584	void amd_uncore_df_ctx_scan(struct amd_uncore *uncore, unsigned int cpu)
   585	{
   586		union cpuid_0x80000022_ebx ebx;
   587		union amd_uncore_info info;
   588	
   589		if (!boot_cpu_has(X86_FEATURE_PERFCTR_NB))
   590			return;
   591	
   592		info.split.aux_data = 0;
   593		info.split.num_pmcs = NUM_COUNTERS_NB;
   594		info.split.cid = topology_die_id(cpu);
   595	
   596		if (pmu_version >= 2) {
   597			ebx.full = cpuid_ebx(EXT_PERFMON_DEBUG_FEATURES);
   598			info.split.num_pmcs = ebx.split.num_df_pmc;
   599		}
   600	
 > 601		*per_cpu_ptr(uncore->info, cpu) = info;
   602	}
   603	

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