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Message-ID: <202207130754.W1o2Pjaw-lkp@intel.com>
Date:   Wed, 13 Jul 2022 07:20:12 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hector Martin <marcan@...can.st>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [asahilinux:bits/110-smc 4/18]
 include/linux/compiler_types.h:354:45: error: call to
 '__compiletime_assert_369' declared with attribute error: FIELD_PREP: mask
 is not constant

tree:   https://github.com/AsahiLinux/linux bits/110-smc
head:   b76dc0fdf51c9227cd04d9d3648a5555d9c61fa8
commit: 092d508daf53fa9e5ba7fb7c0163a125753054c3 [4/18] platform/apple: Add new Apple Mac SMC driver
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220713/202207130754.W1o2Pjaw-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.3.0
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/AsahiLinux/linux/commit/092d508daf53fa9e5ba7fb7c0163a125753054c3
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux bits/110-smc
        git checkout 092d508daf53fa9e5ba7fb7c0163a125753054c3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

                    from arch/mips/include/asm/smp-ops.h:16,
                    from arch/mips/include/asm/smp.h:21,
                    from include/linux/smp.h:113,
                    from include/linux/lockdep.h:14,
                    from include/linux/rcupdate.h:29,
                    from include/linux/rculist.h:11,
                    from include/linux/pid.h:5,
                    from include/linux/sched.h:14,
                    from include/linux/delay.h:23,
                    from drivers/platform/apple/smc_rtkit.c:8:
   include/linux/bits.h:35:29: warning: left shift count >= width of type [-Wshift-count-overflow]
      35 |         (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                             ^~
   include/linux/bitfield.h:129:44: note: in definition of macro 'FIELD_GET'
     129 |                 (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
         |                                            ^~~~~
   include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
      38 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:41: note: in expansion of macro 'GENMASK'
      30 | #define SMC_DATA                        GENMASK(63, 32)
         |                                         ^~~~~~~
   drivers/platform/apple/smc_rtkit.c:332:55: note: in expansion of macro 'SMC_DATA'
     332 |         apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
         |                                                       ^~~~~~~~
   include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative]
      36 |          (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |                  ^~
   include/linux/bitfield.h:129:44: note: in definition of macro 'FIELD_GET'
     129 |                 (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
         |                                            ^~~~~
   include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
      38 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:41: note: in expansion of macro 'GENMASK'
      30 | #define SMC_DATA                        GENMASK(63, 32)
         |                                         ^~~~~~~
   drivers/platform/apple/smc_rtkit.c:332:55: note: in expansion of macro 'SMC_DATA'
     332 |         apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
         |                                                       ^~~~~~~~
   include/linux/bits.h:35:29: warning: left shift count >= width of type [-Wshift-count-overflow]
      35 |         (((~UL(0)) - (UL(1) << (l)) + 1) & \
         |                             ^~
   include/linux/bitfield.h:45:38: note: in definition of macro '__bf_shf'
      45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
         |                                      ^
   drivers/platform/apple/smc_rtkit.c:332:45: note: in expansion of macro 'FIELD_GET'
     332 |         apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
         |                                             ^~~~~~~~~
   include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
      38 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:41: note: in expansion of macro 'GENMASK'
      30 | #define SMC_DATA                        GENMASK(63, 32)
         |                                         ^~~~~~~
   drivers/platform/apple/smc_rtkit.c:332:55: note: in expansion of macro 'SMC_DATA'
     332 |         apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
         |                                                       ^~~~~~~~
   include/linux/bits.h:36:18: warning: right shift count is negative [-Wshift-count-negative]
      36 |          (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
         |                  ^~
   include/linux/bitfield.h:45:38: note: in definition of macro '__bf_shf'
      45 | #define __bf_shf(x) (__builtin_ffsll(x) - 1)
         |                                      ^
   drivers/platform/apple/smc_rtkit.c:332:45: note: in expansion of macro 'FIELD_GET'
     332 |         apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
         |                                             ^~~~~~~~~
   include/linux/bits.h:38:38: note: in expansion of macro '__GENMASK'
      38 |         (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
         |                                      ^~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:41: note: in expansion of macro 'GENMASK'
      30 | #define SMC_DATA                        GENMASK(63, 32)
         |                                         ^~~~~~~
   drivers/platform/apple/smc_rtkit.c:332:55: note: in expansion of macro 'SMC_DATA'
     332 |         apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
         |                                                       ^~~~~~~~
   In file included from <command-line>:
   include/linux/compiler_types.h:354:45: error: call to '__compiletime_assert_409' declared with attribute error: FIELD_GET: mask is not constant
     354 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:335:25: note: in definition of macro '__compiletime_assert'
     335 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:354:9: note: in expansion of macro '_compiletime_assert'
     354 |         _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      65 |                 BUILD_BUG_ON_MSG(!__builtin_constant_p(_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/platform/apple/smc_rtkit.c:332:45: note: in expansion of macro 'FIELD_GET'
     332 |         apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
         |                                             ^~~~~~~~~
   In function 'apple_smc_cmd',
       inlined from 'apple_smc_rtkit_get_key_info' at drivers/platform/apple/smc_rtkit.c:224:8:
>> include/linux/compiler_types.h:354:45: error: call to '__compiletime_assert_369' declared with attribute error: FIELD_PREP: mask is not constant
     354 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:335:25: note: in definition of macro '__compiletime_assert'
     335 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:354:9: note: in expansion of macro '_compiletime_assert'
     354 |         _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      65 |                 BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),          \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK'
     114 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:125:16: note: in expansion of macro 'FIELD_PREP'
     125 |                FIELD_PREP(SMC_DATA, arg));
         |                ^~~~~~~~~~
   In function 'apple_smc_cmd',
       inlined from 'apple_smc_rtkit_get_key_by_index' at drivers/platform/apple/smc_rtkit.c:212:8:
>> include/linux/compiler_types.h:354:45: error: call to '__compiletime_assert_369' declared with attribute error: FIELD_PREP: mask is not constant
     354 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:335:25: note: in definition of macro '__compiletime_assert'
     335 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:354:9: note: in expansion of macro '_compiletime_assert'
     354 |         _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      65 |                 BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),          \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK'
     114 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:125:16: note: in expansion of macro 'FIELD_PREP'
     125 |                FIELD_PREP(SMC_DATA, arg));
         |                ^~~~~~~~~~
   In function 'apple_smc_cmd',
       inlined from '_apple_smc_rtkit_read_key.isra' at drivers/platform/apple/smc_rtkit.c:167:8:
>> include/linux/compiler_types.h:354:45: error: call to '__compiletime_assert_369' declared with attribute error: FIELD_PREP: mask is not constant
     354 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:335:25: note: in definition of macro '__compiletime_assert'
     335 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:354:9: note: in expansion of macro '_compiletime_assert'
     354 |         _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      65 |                 BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),          \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK'
     114 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:125:16: note: in expansion of macro 'FIELD_PREP'
     125 |                FIELD_PREP(SMC_DATA, arg));
         |                ^~~~~~~~~~
   In function 'apple_smc_cmd',
       inlined from 'apple_smc_rtkit_write_key' at drivers/platform/apple/smc_rtkit.c:192:9:
>> include/linux/compiler_types.h:354:45: error: call to '__compiletime_assert_369' declared with attribute error: FIELD_PREP: mask is not constant
     354 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:335:25: note: in definition of macro '__compiletime_assert'
     335 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:354:9: note: in expansion of macro '_compiletime_assert'
     354 |         _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      65 |                 BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),          \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK'
     114 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:125:16: note: in expansion of macro 'FIELD_PREP'
     125 |                FIELD_PREP(SMC_DATA, arg));
         |                ^~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c: In function 'apple_smc_rtkit_write_key_atomic':
   include/linux/compiler_types.h:354:45: error: call to '__compiletime_assert_324' declared with attribute error: FIELD_PREP: mask is not constant
     354 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:335:25: note: in definition of macro '__compiletime_assert'
     335 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:354:9: note: in expansion of macro '_compiletime_assert'
     354 |         _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:65:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      65 |                 BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),          \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:114:17: note: in expansion of macro '__BF_FIELD_CHECK'
     114 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:77:16: note: in expansion of macro 'FIELD_PREP'
      77 |                FIELD_PREP(SMC_DATA, key));
         |                ^~~~~~~~~~


vim +/__compiletime_assert_369 +354 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  340  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  341  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  342  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  343  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  344  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  345   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  346   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  347   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  348   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  349   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  350   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  351   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  352   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  353  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @354  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  355  

:::::: The code at line 354 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@...nel.org>
:::::: CC: Will Deacon <will@...nel.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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