linux-kernel - Re: [PATCH] x86/msr: add CPU_OUT_OF_SPEC taint name to "unrecognized" pr

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Message-ID: <202511020456.NiTKb752-lkp@intel.com>
Date: Sun, 2 Nov 2025 04:48:37 +0800
From: kernel test robot <lkp@...el.com>
To: Marc Herbert <marc.herbert@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.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
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Marc Herbert <marc.herbert@...ux.intel.com>
Subject: Re: [PATCH] x86/msr: add CPU_OUT_OF_SPEC taint name to
 "unrecognized" pr_warn(msg)

Hi Marc,

kernel test robot noticed the following build errors:

[auto build test ERROR on dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa]

url:    https://github.com/intel-lab-lkp/linux/commits/Marc-Herbert/x86-msr-add-CPU_OUT_OF_SPEC-taint-name-to-unrecognized-pr_warn-msg/20251101-111139
base:   dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa
patch link:    https://lore.kernel.org/r/20251101-tainted-msr-v1-1-e00658ba04d4%40linux.intel.com
patch subject: [PATCH] x86/msr: add CPU_OUT_OF_SPEC taint name to "unrecognized" pr_warn(msg)
config: x86_64-randconfig-103-20251101 (https://download.01.org/0day-ci/archive/20251102/202511020456.NiTKb752-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251102/202511020456.NiTKb752-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/202511020456.NiTKb752-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "taint_flags" [arch/x86/kernel/msr.ko] undefined!

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