CC: [email protected] CC: [email protected] TO: Boqun Feng <[email protected]> CC: Peter Zijlstra <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d665ea6ea86c785760ee4bad4543dab3267ad074 commit: 9271a40d2a1429113160ccc4c16150921600bcc1 lockdep/selftest: Add wait context selftests date: 4 months ago :::::: branch date: 10 hours ago :::::: commit date: 4 months ago config: xtensa-randconfig-s032-20210505 (attached as .config) compiler: xtensa-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: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9271a40d2a1429113160ccc4c16150921600bcc1 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9271a40d2a1429113160ccc4c16150921600bcc1 # 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__' W=1 ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) lib/locking-selftest.c:298:1: sparse: sparse: context imbalance in 'AA_spin' - wrong count at exit lib/locking-selftest.c:300:1: sparse: sparse: context imbalance in 'AA_wlock' - wrong count at exit lib/locking-selftest.c:302:1: sparse: sparse: context imbalance in 'AA_rlock' - wrong count at exit lib/locking-selftest.c:321:13: sparse: sparse: context imbalance in 'rlock_AA1' - wrong count at exit lib/locking-selftest.c:327:13: sparse: sparse: context imbalance in 'rlock_AA1B' - wrong count at exit lib/locking-selftest.c:347:13: sparse: sparse: context imbalance in 'rlock_AA2' - wrong count at exit lib/locking-selftest.c:359:13: sparse: sparse: context imbalance in 'rlock_AA3' - wrong count at exit lib/locking-selftest.c:722:1: sparse: sparse: context imbalance in 'double_unlock_spin' - unexpected unlock lib/locking-selftest.c:724:1: sparse: sparse: context imbalance in 'double_unlock_wlock' - unexpected unlock lib/locking-selftest.c:726:1: sparse: sparse: context imbalance in 'double_unlock_rlock' - unexpected unlock lib/locking-selftest.c:753:1: sparse: sparse: context imbalance in 'init_held_spin' - wrong count at exit lib/locking-selftest.c:755:1: sparse: sparse: context imbalance in 'init_held_wlock' - wrong count at exit lib/locking-selftest.c:757:1: sparse: sparse: context imbalance in 'init_held_rlock' - wrong count at exit lib/locking-selftest.c:2456:13: sparse: sparse: context imbalance in 'rcu_exit' - unexpected unlock lib/locking-selftest.c:2465:13: sparse: sparse: context imbalance in 'rcu_bh_exit' - unexpected unlock lib/locking-selftest.c:2474:13: sparse: sparse: context imbalance in 'rcu_sched_exit' - unexpected unlock lib/locking-selftest.c:2493:13: sparse: sparse: context imbalance in 'raw_spinlock_exit' - unexpected unlock lib/locking-selftest.c:2502:13: sparse: sparse: context imbalance in 'spinlock_exit' - unexpected unlock lib/locking-selftest.c: note: in included file (through include/linux/thread_info.h, include/asm-generic/preempt.h, arch/xtensa/include/generated/asm/preempt.h, ...): >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'RCU_in_HARDIRQ' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'RCU_in_NOTTHREADED_HARDIRQ' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'RCU_in_SOFTIRQ' - wrong count at exit lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU' - wrong count at exit lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_BH' - wrong count at exit lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_CALLBACK' - wrong count at exit lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_SCHED' - wrong count at exit lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RAW_SPINLOCK' - wrong count at exit lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_SPINLOCK' - wrong count at exit lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_MUTEX' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'RAW_SPINLOCK_in_HARDIRQ' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'RAW_SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'RAW_SPINLOCK_in_SOFTIRQ' - wrong count at exit lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU' - wrong count at exit lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_BH' - wrong count at exit lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_CALLBACK' - wrong count at exit lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_SCHED' - wrong count at exit lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SPINLOCK' - wrong count at exit lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_MUTEX' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'SPINLOCK_in_HARDIRQ' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit >> arch/xtensa/include/asm/thread_info.h:91:10: sparse: sparse: context >> imbalance in 'SPINLOCK_in_SOFTIRQ' - wrong count at exit lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU' - wrong count at exit lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_BH' - wrong count at exit lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_CALLBACK' - wrong count at exit lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_SCHED' - wrong count at exit lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_SPINLOCK' - wrong count at exit lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_MUTEX' - wrong count at exit lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU' - wrong count at exit lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_BH' - wrong count at exit lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_SCHED' - wrong count at exit lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RAW_SPINLOCK' - wrong count at exit lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_SPINLOCK' - wrong count at exit vim +/RCU_in_HARDIRQ +91 arch/xtensa/include/asm/thread_info.h 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 86 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 87 /* how to get the thread information struct from C */ 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 88 static inline struct thread_info *current_thread_info(void) 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 89 { 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 90 struct thread_info *ti; f4431396be5b26 arch/xtensa/include/asm/thread_info.h Max Filippov 2017-12-04 @91 __asm__("extui %0, a1, 0, "__stringify(CURRENT_SHIFT)"\n\t" 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 92 "xor %0, a1, %0" : "=&r" (ti) : ); 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 93 return ti; 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 94 } 9a8fd558990215 include/asm-xtensa/thread_info.h Chris Zankel 2005-06-23 95 :::::: The code at line 91 was first introduced by commit :::::: f4431396be5b26a9960daf502d129b1b5d126f5e xtensa: consolidate kernel stack size related definitions :::::: TO: Max Filippov <[email protected]> :::::: CC: Max Filippov <[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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