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Date:   Thu, 16 Jun 2022 11:38:34 -0500
From:   Steve Wahl <steve.wahl@hpe.com>
To:     kernel test robot <lkp@intel.com>
Cc:     Steve Wahl <steve.wahl@hpe.com>, kbuild-all@lists.01.org,
        linux-kernel@vger.kernel.org, Kevin Tian <kevin.tian@intel.com>
Subject: Re: include/linux/dmar.h:21:33: error: 'CONFIG_DMAR_UNITS_SUPPORTED'
 undeclared here (not in a function); did you mean 'DMAR_UNITS_SUPPORTED'?
Message-ID: <YqtcijngpsVCrNOw@swahl-home.5wahls.com>
References: <202206162309.0IdGIck1-lkp@intel.com>
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This is another instance that should no longer be a problem after
Baolu's patches to make intel-iommu.h private.

--> Steve Wahl


On Thu, Jun 16, 2022 at 11:40:45PM +0800, kernel test robot wrote:
> tree:   https://github.com/intel-lab-lkp/linux/commits/UPDATE-20220616-024802/Steve-Wahl/iommu-vt-d-Increase-DMAR_UNITS_SUPPORTED/20220506-035321
> head:   3e005e10e4d8627a55a987d047c19dba233ba66b
> commit: 3e005e10e4d8627a55a987d047c19dba233ba66b iommu/vt-d: Make DMAR_UNITS_SUPPORTED a config setting
> date:   21 hours ago
> config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20220616/202206162309.0IdGIck1-lkp@intel.com/config)
> compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
> reproduce (this is a W=1 build):
>         # https://github.com/intel-lab-lkp/linux/commit/3e005e10e4d8627a55a987d047c19dba233ba66b
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review UPDATE-20220616-024802/Steve-Wahl/iommu-vt-d-Increase-DMAR_UNITS_SUPPORTED/20220506-035321
>         git checkout 3e005e10e4d8627a55a987d047c19dba233ba66b
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from include/linux/intel-iommu.h:21,
>                     from drivers/char/agp/intel-gtt.c:23:
> >> include/linux/dmar.h:21:33: error: 'CONFIG_DMAR_UNITS_SUPPORTED' undeclared here (not in a function); did you mean 'DMAR_UNITS_SUPPORTED'?
>       21 | #define DMAR_UNITS_SUPPORTED    CONFIG_DMAR_UNITS_SUPPORTED
>          |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/intel-iommu.h:531:35: note: in expansion of macro 'DMAR_UNITS_SUPPORTED'
>      531 |         unsigned int iommu_refcnt[DMAR_UNITS_SUPPORTED];
>          |                                   ^~~~~~~~~~~~~~~~~~~~
> 
> 
> vim +21 include/linux/dmar.h
> 
>     20	
>   > 21	#define	DMAR_UNITS_SUPPORTED	CONFIG_DMAR_UNITS_SUPPORTED
>     22	
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://01.org/lkp

-- 
Steve Wahl, Hewlett Packard Enterprise