CC: [email protected] CC: [email protected] TO: Nicholas Piggin <[email protected]> CC: Peter Zijlstra <[email protected]> CC: "Steven Rostedt (VMware)" <[email protected]> CC: Thomas Gleixner <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b3298500b23f0b53a8d81e0d5ad98a29db71f4f0 commit: 044d0d6de9f50192f9697583504a382347ee95ca lockdep: Only trace IRQ edges date: 3 months ago :::::: branch date: 23 hours ago :::::: commit date: 3 months ago config: parisc-randconfig-s032-20201206 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-179-ga00755aa-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=044d0d6de9f50192f9697583504a382347ee95ca git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 044d0d6de9f50192f9697583504a382347ee95ca # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> "sparse warnings: (new ones prefixed by >>)" drivers/usb/class/cdc-wdm.c: note: in included file (through include/linux/bitops.h, include/linux/kernel.h): >> arch/parisc/include/asm/bitops.h:29:9: sparse: sparse: context imbalance in >> 'service_outstanding_interrupt' - unexpected unlock vim +/service_outstanding_interrupt +29 arch/parisc/include/asm/bitops.h ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 14 a366064c3ff46c include/asm-parisc/bitops.h Grant Grundler 2005-10-21 15 /* See http://marc.theaimsgroup.com/?t=108826637900003 for discussion a366064c3ff46c include/asm-parisc/bitops.h Grant Grundler 2005-10-21 16 * on use of volatile and __*_bit() (set/clear/change): a366064c3ff46c include/asm-parisc/bitops.h Grant Grundler 2005-10-21 17 * *_bit() want use of volatile. a366064c3ff46c include/asm-parisc/bitops.h Grant Grundler 2005-10-21 18 * __*_bit() are "relaxed" and don't use spinlock or volatile. a366064c3ff46c include/asm-parisc/bitops.h Grant Grundler 2005-10-21 19 */ a366064c3ff46c include/asm-parisc/bitops.h Grant Grundler 2005-10-21 20 a366064c3ff46c include/asm-parisc/bitops.h Grant Grundler 2005-10-21 21 static __inline__ void set_bit(int nr, volatile unsigned long * addr) ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 22 { 208151bfb70fb7 arch/parisc/include/asm/bitops.h Helge Deller 2020-06-14 23 unsigned long mask = BIT_MASK(nr); ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 24 unsigned long flags; ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 25 208151bfb70fb7 arch/parisc/include/asm/bitops.h Helge Deller 2020-06-14 26 addr += BIT_WORD(nr); ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 27 _atomic_spin_lock_irqsave(addr, flags); ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 28 *addr |= mask; ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 @29 _atomic_spin_unlock_irqrestore(addr, flags); ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 30 } ^1da177e4c3f41 include/asm-parisc/bitops.h Linus Torvalds 2005-04-16 31 :::::: The code at line 29 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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