linux-kernel - Re: [PATCH v2 35/35] include: remove lots of unnecessary <linux/kernel.h> includes

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Message-ID: <202402102041.qUqvmKVs-lkp@intel.com>
Date: Sat, 10 Feb 2024 20:26:26 +0800
From: kernel test robot <lkp@...el.com>
To: Max Kellermann <max.kellermann@...os.com>, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev,
	Max Kellermann <max.kellermann@...os.com>
Subject: Re: [PATCH v2 35/35] include: remove lots of unnecessary
 <linux/kernel.h> includes

Hi Max,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20240209]
[cannot apply to drm-misc/drm-misc-next media-tree/master mkp-scsi/for-next linus/master v6.8-rc3 v6.8-rc2 v6.8-rc1 v6.8-rc3]
[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/Max-Kellermann/include-add-missing-includes/20240210-005417
base:   next-20240209
patch link:    https://lore.kernel.org/r/20240209164027.2582906-36-max.kellermann%40ionos.com
patch subject: [PATCH v2 35/35] include: remove lots of unnecessary <linux/kernel.h> includes
config: alpha-allnoconfig (https://download.01.org/0day-ci/archive/20240210/202402102041.qUqvmKVs-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240210/202402102041.qUqvmKVs-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/202402102041.qUqvmKVs-lkp@intel.com/

All errors (new ones prefixed by >>):

   lib/flex_proportions.c: In function 'fprop_reflect_period_percpu':
>> lib/flex_proportions.c:92:26: error: implicit declaration of function 'ilog2' [-Werror=implicit-function-declaration]
      92 | #define PROP_BATCH (8*(1+ilog2(nr_cpu_ids)))
         |                          ^~~~~
   lib/flex_proportions.c:130:41: note: in expansion of macro 'PROP_BATCH'
     130 |                 if (val < (nr_cpu_ids * PROP_BATCH))
         |                                         ^~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/ilog2 +92 lib/flex_proportions.c

f3109a51f8dc88 Jan Kara 2012-05-24  88  
f3109a51f8dc88 Jan Kara 2012-05-24  89  /*
f3109a51f8dc88 Jan Kara 2012-05-24  90   * ---- PERCPU ----
f3109a51f8dc88 Jan Kara 2012-05-24  91   */
f3109a51f8dc88 Jan Kara 2012-05-24 @92  #define PROP_BATCH (8*(1+ilog2(nr_cpu_ids)))
f3109a51f8dc88 Jan Kara 2012-05-24  93  

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