tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/core head: 314f035f38352a3100692753bd9b2356fb068cbe commit: 314f035f38352a3100692753bd9b2356fb068cbe [3/3] lockdep: Noinstr annotate warn_bogus_irq_restore() config: mips-randconfig-r033-20210209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue locking/core git checkout 314f035f38352a3100692753bd9b2356fb068cbe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): raw_local_irq_restore(flags); ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/lib/bitops.c:31:2: note: did you mean 'instrumentation_begin'? include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/lib/bitops.c:31:2: note: 'instrumentation_begin' declared here include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ arch/mips/lib/bitops.c:52:2: error: implicit declaration of function 'instrumentation_begin' [-Werror,-Wimplicit-function-declaration] raw_local_irq_restore(flags); ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ arch/mips/lib/bitops.c:52:2: error: implicit declaration of function 'instrumentation_end' [-Werror,-Wimplicit-function-declaration] include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/lib/bitops.c:73:2: error: implicit declaration of function 'instrumentation_begin' [-Werror,-Wimplicit-function-declaration] raw_local_irq_restore(flags); ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ arch/mips/lib/bitops.c:73:2: error: implicit declaration of function 'instrumentation_end' [-Werror,-Wimplicit-function-declaration] include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/lib/bitops.c:97:2: error: implicit declaration of function 'instrumentation_begin' [-Werror,-Wimplicit-function-declaration] raw_local_irq_restore(flags); ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ arch/mips/lib/bitops.c:97:2: error: implicit declaration of function 'instrumentation_end' [-Werror,-Wimplicit-function-declaration] include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/lib/bitops.c:121:2: error: implicit declaration of function 'instrumentation_begin' [-Werror,-Wimplicit-function-declaration] raw_local_irq_restore(flags); ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ arch/mips/lib/bitops.c:121:2: error: implicit declaration of function 'instrumentation_end' [-Werror,-Wimplicit-function-declaration] include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/lib/bitops.c:145:2: error: implicit declaration of function 'instrumentation_begin' [-Werror,-Wimplicit-function-declaration] raw_local_irq_restore(flags); ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ arch/mips/lib/bitops.c:145:2: error: implicit declaration of function 'instrumentation_end' [-Werror,-Wimplicit-function-declaration] include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ -- arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:400:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E200) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:401:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:402:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E220) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:402:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:403:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:403:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:404:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:404:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:405:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:405:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:320:20: note: expanded from macro 'ENUM_BRD_TYPE_CASE' case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:416:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:416:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:417:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:417:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:418:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:418:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ^ arch/mips/include/asm/octeon/cvmx-bootinfo.h:419:3: warning: adding 'int' to a string does not append to the string [-Wstring-plus-int] ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ~~~^~~~ arch/mips/include/asm/octeon/cvmx-bootinfo.h:419:3: note: use array indexing to silence this warning arch/mips/include/asm/octeon/cvmx-bootinfo.h:411:20: note: expanded from macro 'ENUM_CHIP_TYPE_CASE' case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ ^ local_irq_restore(flags); ^ include/linux/irqflags.h:226:3: note: expanded from macro 'local_irq_restore' raw_local_irq_restore(flags); \ ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ include/linux/irqflags.h:226:3: note: expanded from macro 'local_irq_restore' raw_local_irq_restore(flags); \ ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/cavium-octeon/executive/cvmx-l2c.c:644:2: note: did you mean 'instrumentation_begin'? include/linux/irqflags.h:226:3: note: expanded from macro 'local_irq_restore' raw_local_irq_restore(flags); \ ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:159:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_end(); \ ^ arch/mips/cavium-octeon/executive/cvmx-l2c.c:644:2: note: 'instrumentation_begin' declared here include/linux/irqflags.h:226:3: note: expanded from macro 'local_irq_restore' raw_local_irq_restore(flags); \ ^ include/linux/irqflags.h:179:3: note: expanded from macro 'raw_local_irq_restore' raw_check_bogus_irq_restore(); \ ^ include/linux/irqflags.h:157:4: note: expanded from macro 'raw_check_bogus_irq_restore' instrumentation_begin(); \ ^ 81 warnings and 2 errors generated. vim +/instrumentation_begin +31 arch/mips/lib/bitops.c 92d11594f688c8b Jim Quinlan 2012-09-06 13 92d11594f688c8b Jim Quinlan 2012-09-06 14 92d11594f688c8b Jim Quinlan 2012-09-06 15 /** 92d11594f688c8b Jim Quinlan 2012-09-06 16 * __mips_set_bit - Atomically set a bit in memory. This is called by 92d11594f688c8b Jim Quinlan 2012-09-06 17 * set_bit() if it cannot find a faster solution. 92d11594f688c8b Jim Quinlan 2012-09-06 18 * @nr: the bit to set 92d11594f688c8b Jim Quinlan 2012-09-06 19 * @addr: the address to start counting from 92d11594f688c8b Jim Quinlan 2012-09-06 20 */ 92d11594f688c8b Jim Quinlan 2012-09-06 21 void __mips_set_bit(unsigned long nr, volatile unsigned long *addr) 92d11594f688c8b Jim Quinlan 2012-09-06 22 { c042be02d730534 Paul Burton 2019-10-01 23 volatile unsigned long *a = &addr[BIT_WORD(nr)]; c042be02d730534 Paul Burton 2019-10-01 24 unsigned int bit = nr % BITS_PER_LONG; 92d11594f688c8b Jim Quinlan 2012-09-06 25 unsigned long mask; 92d11594f688c8b Jim Quinlan 2012-09-06 26 unsigned long flags; 92d11594f688c8b Jim Quinlan 2012-09-06 27 92d11594f688c8b Jim Quinlan 2012-09-06 28 mask = 1UL << bit; 92d11594f688c8b Jim Quinlan 2012-09-06 29 raw_local_irq_save(flags); 92d11594f688c8b Jim Quinlan 2012-09-06 30 *a |= mask; 92d11594f688c8b Jim Quinlan 2012-09-06 @31 raw_local_irq_restore(flags); 92d11594f688c8b Jim Quinlan 2012-09-06 32 } 92d11594f688c8b Jim Quinlan 2012-09-06 33 EXPORT_SYMBOL(__mips_set_bit); 92d11594f688c8b Jim Quinlan 2012-09-06 34 92d11594f688c8b Jim Quinlan 2012-09-06 35 :::::: The code at line 31 was first introduced by commit :::::: 92d11594f688c8b55b51e80f2eac4417396237a4 MIPS: Remove irqflags.h dependency from bitops.h :::::: TO: Jim Quinlan <jim2101024(a)gmail.com&gt; :::::: CC: Ralf Baechle <ralf(a)linux-mips.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org