Hi Geert, [auto build test ERROR on linus/master] [also build test ERROR on v4.14-rc4] [cannot apply to next-20171009] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Geert-Uytterhoeven/bitfield-Use-__ffs64-x-to-fix-missing-__ffsdi2/20171010-050009 config: x86_64-allyesdebian (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): In file included from arch/x86/include/asm/current.h:4:0, from include/linux/sched.h:11, from drivers/net/wireless/intel/iwlwifi/pcie/rx.c:31: In function 'iwl_pcie_rx_mq_hw_init', inlined from 'iwl_pcie_rx_init' at drivers/net/wireless/intel/iwlwifi/pcie/rx.c:976:3: >> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_857' >> declared with attribute error: BUILD_BUG_ON failed: (((0xF00) + (1ULL << >> __ffs64(0xF00))) & (((0xF00) + (1ULL << __ffs64(0xF00))) - 1)) != 0 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:70:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ include/linux/build_bug.h:19:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(((n) & ((n) - 1)) != 0) ^~~~~~~~~~~~ include/linux/bitfield.h:62:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2' __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:89:3: note: in expansion of macro '__BF_FIELD_CHECK' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~ >> drivers/net/wireless/intel/iwlwifi/iwl-fh.h:487:34: note: in expansion of >> macro 'FIELD_PREP' #define RFH_GEN_CFG_VAL(_n, _v) FIELD_PREP(RFH_GEN_CFG_ ## _n, _v) ^~~~~~~~~~ >> drivers/net/wireless/intel/iwlwifi/pcie/rx.c:857:11: note: in expansion of >> macro 'RFH_GEN_CFG_VAL' RFH_GEN_CFG_VAL(DEFAULT_RXQ_NUM, 0) | ^~~~~~~~~~~~~~~ >> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_862' >> declared with attribute error: BUILD_BUG_ON failed: ((((1UL << (4))) + (1ULL >> << __ffs64((1UL << (4))))) & ((((1UL << (4))) + (1ULL << __ffs64((1UL << >> (4))))) - 1)) != 0 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:70:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ include/linux/build_bug.h:19:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(((n) & ((n) - 1)) != 0) ^~~~~~~~~~~~ include/linux/bitfield.h:62:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2' __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:89:3: note: in expansion of macro '__BF_FIELD_CHECK' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~ >> drivers/net/wireless/intel/iwlwifi/iwl-fh.h:487:34: note: in expansion of >> macro 'FIELD_PREP' #define RFH_GEN_CFG_VAL(_n, _v) FIELD_PREP(RFH_GEN_CFG_ ## _n, _v) ^~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/pcie/rx.c:859:11: note: in expansion of macro 'RFH_GEN_CFG_VAL' RFH_GEN_CFG_VAL(RB_CHUNK_SIZE, ^~~~~~~~~~~~~~~ -- In file included from include/linux/linkage.h:4:0, from include/linux/kernel.h:6, from include/linux/skbuff.h:17, from include/linux/if_ether.h:23, from include/linux/etherdevice.h:25, from drivers/net/wireless/intel/iwlwifi/pcie/tx.c:31: drivers/net/wireless/intel/iwlwifi/pcie/tx.c: In function 'iwl_trans_pcie_txq_enable': >> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_1368' >> declared with attribute error: BUILD_BUG_ON failed: ((((0x0000007F)) + (1ULL >> << __ffs64((0x0000007F)))) & ((((0x0000007F)) + (1ULL << >> __ffs64((0x0000007F)))) - 1)) != 0 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:70:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ include/linux/build_bug.h:19:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(((n) & ((n) - 1)) != 0) ^~~~~~~~~~~~ include/linux/bitfield.h:62:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2' __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:89:3: note: in expansion of macro '__BF_FIELD_CHECK' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~ >> drivers/net/wireless/intel/iwlwifi/iwl-prph.h:256:41: note: in expansion of >> macro 'FIELD_PREP' #define SCD_QUEUE_CTX_REG2_VAL(_n, _v) FIELD_PREP(SCD_QUEUE_CTX_REG2_ ## _n, _v) ^~~~~~~~~~ >> drivers/net/wireless/intel/iwlwifi/pcie/tx.c:1368:4: note: in expansion of >> macro 'SCD_QUEUE_CTX_REG2_VAL' SCD_QUEUE_CTX_REG2_VAL(WIN_SIZE, frame_limit) | ^~~~~~~~~~~~~~~~~~~~~~ >> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_1369' >> declared with attribute error: BUILD_BUG_ON failed: ((((0x007F0000)) + (1ULL >> << __ffs64((0x007F0000)))) & ((((0x007F0000)) + (1ULL << >> __ffs64((0x007F0000)))) - 1)) != 0 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:70:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ include/linux/build_bug.h:19:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(((n) & ((n) - 1)) != 0) ^~~~~~~~~~~~ include/linux/bitfield.h:62:3: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2' __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) + \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:89:3: note: in expansion of macro '__BF_FIELD_CHECK' __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ ^~~~~~~~~~~~~~~~ >> drivers/net/wireless/intel/iwlwifi/iwl-prph.h:256:41: note: in expansion of >> macro 'FIELD_PREP' #define SCD_QUEUE_CTX_REG2_VAL(_n, _v) FIELD_PREP(SCD_QUEUE_CTX_REG2_ ## _n, _v) ^~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/pcie/tx.c:1369:4: note: in expansion of macro 'SCD_QUEUE_CTX_REG2_VAL' SCD_QUEUE_CTX_REG2_VAL(FRAME_LIMIT, frame_limit)); ^~~~~~~~~~~~~~~~~~~~~~ vim +/__compiletime_assert_857 +576 include/linux/compiler.h 9a8ab1c3 Daniel Santos 2013-02-21 562 9a8ab1c3 Daniel Santos 2013-02-21 563 #define _compiletime_assert(condition, msg, prefix, suffix) \ 9a8ab1c3 Daniel Santos 2013-02-21 564 __compiletime_assert(condition, msg, prefix, suffix) 9a8ab1c3 Daniel Santos 2013-02-21 565 9a8ab1c3 Daniel Santos 2013-02-21 566 /** 9a8ab1c3 Daniel Santos 2013-02-21 567 * compiletime_assert - break build and emit msg if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 568 * @condition: a compile-time constant condition to check 9a8ab1c3 Daniel Santos 2013-02-21 569 * @msg: a message to emit if condition is false 9a8ab1c3 Daniel Santos 2013-02-21 570 * 9a8ab1c3 Daniel Santos 2013-02-21 571 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c3 Daniel Santos 2013-02-21 572 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c3 Daniel Santos 2013-02-21 573 * compiler has support to do so. 9a8ab1c3 Daniel Santos 2013-02-21 574 */ 9a8ab1c3 Daniel Santos 2013-02-21 575 #define compiletime_assert(condition, msg) \ 9a8ab1c3 Daniel Santos 2013-02-21 @576 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c3 Daniel Santos 2013-02-21 577 :::::: The code at line 576 was first introduced by commit :::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG :::::: TO: Daniel Santos <daniel.san...@pobox.com> :::::: CC: Linus Torvalds <torva...@linux-foundation.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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