Re: [PATCH v3] irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4

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Hi Shanker,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/irq/core]
[also build test ERROR on arm64/for-next/core soc/for-next linus/master v6.3-rc2 next-20230317]
[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/Shanker-Donthineni/irqchip-gicv3-Workaround-for-NVIDIA-erratum-T241-FABRIC-4/20230318-003214
patch link:    https://lore.kernel.org/r/20230317162636.851085-1-sdonthineni%40nvidia.com
patch subject: [PATCH v3] irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4
config: arm-defconfig (https://download.01.org/0day-ci/archive/20230318/202303180807.8bgU13CU-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/27a88c95568fc0cfe4537989de4d5e28fe4174c9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Shanker-Donthineni/irqchip-gicv3-Workaround-for-NVIDIA-erratum-T241-FABRIC-4/20230318-003214
        git checkout 27a88c95568fc0cfe4537989de4d5e28fe4174c9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303180807.8bgU13CU-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from include/linux/bits.h:6,
                    from include/linux/ioport.h:13,
                    from include/linux/acpi.h:12,
                    from drivers/irqchip/irq-gic-v3.c:9:
   drivers/irqchip/irq-gic-v3.c: In function 'gic_enable_quirk_nvidia_t241':
>> include/linux/compiler_types.h:358:45: error: call to '__compiletime_assert_251' declared with attribute error: FIELD_GET: type of reg too small for mask
     358 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/vdso/bits.h:7:44: note: in definition of macro 'BIT'
       7 | #define BIT(nr)                 (UL(1) << (nr))
         |                                            ^~
   include/linux/compiler_types.h:346:9: note: in expansion of macro '__compiletime_assert'
     346 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:358:9: note: in expansion of macro '_compiletime_assert'
     358 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:71:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      71 |                 BUILD_BUG_ON_MSG(__bf_cast_unsigned(_mask, _mask) >     \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:128:17: note: in expansion of macro '__BF_FIELD_CHECK'
     128 |                 __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: ");       \
         |                 ^~~~~~~~~~~~~~~~
   drivers/irqchip/irq-gic-v3.c:1781:35: note: in expansion of macro 'FIELD_GET'
    1781 |                 chip_bmask |= BIT(FIELD_GET(T241_CHIPN_MASK,
         |                                   ^~~~~~~~~


vim +/__compiletime_assert_251 +358 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  344  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  345  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  346  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  347  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  348  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  349   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  350   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  351   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  352   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  353   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  354   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  355   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  356   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  357  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @358  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  359  

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



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