Messages in this thread | | | Date | Sun, 15 Dec 2019 19:00:43 +0800 | From | kbuild test robot <> | Subject | include/linux/compiler.h:350:38: error: call to '__compiletime_assert_453' declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 510c9788991c58827373bca719d8cffa4d65f846 commit: 05d013a0366d50f4f0dbebf8c1b22b42020bf49a MIPS: Detect bad _PFN_SHIFT values date: 3 months ago config: mips-randconfig-a001-20191215 (attached as .config) compiler: mipsel-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 05d013a0366d50f4f0dbebf8c1b22b42020bf49a # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@intel.com>
All error/warnings (new ones prefixed by >>):
In file included from arch/mips/include/asm/bug.h:5:0, from include/linux/bug.h:5, from arch/mips/mm/init.c:11: arch/mips/mm/init.c: In function 'mem_init': >> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_453' declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #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' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ >> arch/mips/mm/init.c:453:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT)); ^~~~~~~~~~~~ -- In file included from arch/mips/include/asm/bug.h:5:0, from include/linux/bug.h:5, from arch/mips//mm/init.c:11: arch/mips//mm/init.c: In function 'mem_init': >> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_453' declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #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' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/mips//mm/init.c:453:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT)); ^~~~~~~~~~~~
vim +/__compiletime_assert_453 +350 include/linux/compiler.h
9a8ab1c39970a4 Daniel Santos 2013-02-21 336 9a8ab1c39970a4 Daniel Santos 2013-02-21 337 #define _compiletime_assert(condition, msg, prefix, suffix) \ 9a8ab1c39970a4 Daniel Santos 2013-02-21 338 __compiletime_assert(condition, msg, prefix, suffix) 9a8ab1c39970a4 Daniel Santos 2013-02-21 339 9a8ab1c39970a4 Daniel Santos 2013-02-21 340 /** 9a8ab1c39970a4 Daniel Santos 2013-02-21 341 * compiletime_assert - break build and emit msg if condition is false 9a8ab1c39970a4 Daniel Santos 2013-02-21 342 * @condition: a compile-time constant condition to check 9a8ab1c39970a4 Daniel Santos 2013-02-21 343 * @msg: a message to emit if condition is false 9a8ab1c39970a4 Daniel Santos 2013-02-21 344 * 9a8ab1c39970a4 Daniel Santos 2013-02-21 345 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c39970a4 Daniel Santos 2013-02-21 346 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c39970a4 Daniel Santos 2013-02-21 347 * compiler has support to do so. 9a8ab1c39970a4 Daniel Santos 2013-02-21 348 */ 9a8ab1c39970a4 Daniel Santos 2013-02-21 349 #define compiletime_assert(condition, msg) \ 9a8ab1c39970a4 Daniel Santos 2013-02-21 @350 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c39970a4 Daniel Santos 2013-02-21 351
:::::: The code at line 350 was first introduced by commit :::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG
:::::: TO: Daniel Santos <daniel.santos@pobox.com> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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