Re: include/linux/dmar.h:21:33: error: 'CONFIG_DMAR_UNITS_SUPPORTED' undeclared here (not in a function); did you mean 'DMAR_UNITS_SUPPORTED'?

From: Steve Wahl
Date: Thu Jun 16 2022 - 12:38:46 EST


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@xxxxxxxxx/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@xxxxxxxxx>
>
> 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