linux-kernel - Re: [PATCH 6/6] KVM: selftests: x86: Add svm_pmu_hg_test for HG

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Message-ID: <202601221906.D038BKHz-lkp@intel.com>
Date: Thu, 22 Jan 2026 19:56:21 +0100
From: kernel test robot <lkp@...el.com>
To: Jim Mattson <jmattson@...gle.com>,
	Sean Christopherson <seanjc@...gle.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	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,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	James Clark <james.clark@...aro.org>,
	Shuah Khan <skhan@...uxfoundation.org>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Jim Mattson <jmattson@...gle.com>
Subject: Re: [PATCH 6/6] KVM: selftests: x86: Add svm_pmu_hg_test for HG_ONLY
 bits

Hi Jim,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20260121]
[cannot apply to kvm/queue kvm/next perf-tools-next/perf-tools-next tip/perf/core perf-tools/perf-tools kvm/linux-next acme/perf/core v6.19-rc6 v6.19-rc5 v6.19-rc4 linus/master v6.19-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jim-Mattson/KVM-x86-pmu-Introduce-amd_pmu_set_eventsel_hw/20260122-070031
base:   next-20260121
patch link:    https://lore.kernel.org/r/20260121225438.3908422-7-jmattson%40google.com
patch subject: [PATCH 6/6] KVM: selftests: x86: Add svm_pmu_hg_test for HG_ONLY bits
config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260122/202601221906.D038BKHz-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601221906.D038BKHz-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/202601221906.D038BKHz-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> x86/svm_pmu_hg_test.c:37:9: warning: "MSR_F15H_PERF_CTL0" redefined
      37 | #define MSR_F15H_PERF_CTL0      0xc0010200
         |         ^~~~~~~~~~~~~~~~~~
   In file included from include/x86/processor.h:13,
                    from x86/svm_pmu_hg_test.c:31:
   tools/testing/selftests/../../../tools/arch/x86/include/asm/msr-index.h:815:9: note: this is the location of the previous definition
     815 | #define MSR_F15H_PERF_CTL0              MSR_F15H_PERF_CTL
         |         ^~~~~~~~~~~~~~~~~~
>> x86/svm_pmu_hg_test.c:38:9: warning: "MSR_F15H_PERF_CTR0" redefined
      38 | #define MSR_F15H_PERF_CTR0      0xc0010201
         |         ^~~~~~~~~~~~~~~~~~
   tools/testing/selftests/../../../tools/arch/x86/include/asm/msr-index.h:823:9: note: this is the location of the previous definition
     823 | #define MSR_F15H_PERF_CTR0              MSR_F15H_PERF_CTR
         |         ^~~~~~~~~~~~~~~~~~
   cc1: note: unrecognized command-line option '-Wno-gnu-variable-sized-type-not-at-end' may have been intended to silence earlier diagnostics

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