linux-kernel - include/linux/compiler_types.h:568:38: error: call to '__compiletime_assert_372' declared with attribute error: BUILD_BUG_ON failed: sizeof(priv

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Message-ID: <202512110229.R6YCf1Le-lkp@intel.com>
Date: Thu, 11 Dec 2025 02:08:44 +0800
From: kernel test robot <lkp@...el.com>
To: Detlev Casanova <detlev.casanova@...labora.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Hans Verkuil <hverkuil@...all.nl>,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>
Subject: include/linux/compiler_types.h:568:38: error: call to
 '__compiletime_assert_372' declared with attribute error: BUILD_BUG_ON
 failed: sizeof(priv_tbl->probs) % 16

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0048fbb4011ec55c32d3148b2cda56433f273375
commit: d968e50b5c26642754492dea23cbd3592bde62d8 media: rkvdec: Unstage the driver
date:   5 months ago
config: arm-randconfig-002-20251211 (https://download.01.org/0day-ci/archive/20251211/202512110229.R6YCf1Le-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512110229.R6YCf1Le-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/202512110229.R6YCf1Le-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c: In function 'rkvdec_vp9_start':
>> include/linux/compiler_types.h:568:38: error: call to '__compiletime_assert_372' declared with attribute error: BUILD_BUG_ON failed: sizeof(priv_tbl->probs) % 16
     568 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler_types.h:549:4: note: in definition of macro '__compiletime_assert'
     549 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler_types.h:568:2: note: in expansion of macro '_compiletime_assert'
     568 |  _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/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c:1010:2: note: in expansion of macro 'BUILD_BUG_ON'
    1010 |  BUILD_BUG_ON(sizeof(priv_tbl->probs) % 16); /* ensure probs size is 128-bit aligned */
         |  ^~~~~~~~~~~~


vim +/__compiletime_assert_372 +568 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  554  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  555  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  556  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  557  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  558  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  559   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  560   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  561   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  562   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  563   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  564   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  565   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  566   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  567  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @568  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  569  

:::::: The code at line 568 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>

-- 
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https://github.com/intel/lkp-tests/wiki