linux-kernel - Re: [PATCH 2/4] x86/mtrr: Introduce MTRR work state structure

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Message-ID: <202601220306.FavyG0wD-lkp@intel.com>
Date: Thu, 22 Jan 2026 03:58:24 +0800
From: kernel test robot <lkp@...el.com>
To: Juergen Gross <jgross@...e.com>, linux-kernel@...r.kernel.org,
	x86@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Juergen Gross <jgross@...e.com>, Thomas Gleixner <tglx@...nel.org>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 2/4] x86/mtrr: Introduce MTRR work state structure

Hi Juergen,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/x86/core]
[also build test WARNING on tip/master linus/master v6.19-rc6 next-20260121]
[cannot apply to tip/auto-latest]
[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/Juergen-Gross/x86-mtrr-Move-cache_enable-and-cache_disable-to-mtrr-generic-c/20260121-230320
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20260121141106.755458-3-jgross%40suse.com
patch subject: [PATCH 2/4] x86/mtrr: Introduce MTRR work state structure
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20260122/202601220306.FavyG0wD-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/20260122/202601220306.FavyG0wD-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/202601220306.FavyG0wD-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: arch/x86/kernel/cpu/mtrr/generic.c:920 function parameter 'state' not described in 'set_mtrr_state'
>> Warning: arch/x86/kernel/cpu/mtrr/generic.c:920 function parameter 'state' not described in 'set_mtrr_state'

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