Hi Lin, [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Lin-Zhang/netfilter-conntrack-add-a-new-NF_CT_EXT_EXPAND-extension/20170627-000844 config: blackfin-allyesconfig (attached as .config) compiler: bfin-uclinux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=blackfin All error/warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from net/netfilter/nf_conntrack_core.c:17: In function 'total_extension_size', inlined from 'nf_conntrack_init_start' at net/netfilter/nf_conntrack_core.c:1893:2: >> include/linux/compiler.h:529:38: error: call to '__compiletime_assert_1859' declared with attribute error: BUILD_BUG_ON failed: NF_CT_EXT_NUM > 9 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:512:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:529:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/bug.h:78:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ >> net/netfilter/nf_conntrack_core.c:1859:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(NF_CT_EXT_NUM > 9); ^~~~~~~~~~~~ -- In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from net//netfilter/nf_conntrack_core.c:17: In function 'total_extension_size', inlined from 'nf_conntrack_init_start' at net//netfilter/nf_conntrack_core.c:1893:2: >> include/linux/compiler.h:529:38: error: call to '__compiletime_assert_1859' declared with attribute error: BUILD_BUG_ON failed: NF_CT_EXT_NUM > 9 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:512:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:529:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/bug.h:54:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/bug.h:78:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ net//netfilter/nf_conntrack_core.c:1859:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(NF_CT_EXT_NUM > 9); ^~~~~~~~~~~~ vim +/__compiletime_assert_1859 +529 include/linux/compiler.h 9a8ab1c3 Daniel Santos 2013-02-21 523 * 9a8ab1c3 Daniel Santos 2013-02-21 524 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c3 Daniel Santos 2013-02-21 525 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c3 Daniel Santos 2013-02-21 526 * compiler has support to do so. 9a8ab1c3 Daniel Santos 2013-02-21 527 */ 9a8ab1c3 Daniel Santos 2013-02-21 528 #define compiletime_assert(condition, msg) \ 9a8ab1c3 Daniel Santos 2013-02-21 @529 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c3 Daniel Santos 2013-02-21 530 47933ad4 Peter Zijlstra 2013-11-06 531 #define compiletime_assert_atomic_type(t) \ 47933ad4 Peter Zijlstra 2013-11-06 532 compiletime_assert(__native_word(t), \ :::::: The code at line 529 was first introduced by commit :::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG :::::: TO: Daniel Santos <daniel.santos@xxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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