CC: [email protected] 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/tip/tip.git locking/core head: 997acaf6b4b59c6a9c259740312a69ea549cc684 commit: 9271a40d2a1429113160ccc4c16150921600bcc1 [1/10] lockdep/selftest: Add wait context selftests :::::: branch date: 12 days ago :::::: commit date: 3 weeks ago config: sh-randconfig-s031-20210202 (attached as .config) compiler: sh4-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: v0.6.3-215-g0fb77bb6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=9271a40d2a1429113160ccc4c16150921600bcc1 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip locking/core 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__' ARCH=sh 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/sh/include/generated/asm/preempt.h, ...): >> arch/sh/include/asm/thread_info.h:72:9: sparse: sparse: context imbalance in >> 'RCU_in_HARDIRQ' - wrong count at exit >> arch/sh/include/asm/thread_info.h:72:9: sparse: sparse: context imbalance in >> 'RCU_in_NOTTHREADED_HARDIRQ' - wrong count at exit >> arch/sh/include/asm/thread_info.h:72:9: 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/sh/include/asm/thread_info.h:72:9: sparse: sparse: context imbalance in >> 'RAW_SPINLOCK_in_HARDIRQ' - wrong count at exit >> arch/sh/include/asm/thread_info.h:72:9: sparse: sparse: context imbalance in >> 'RAW_SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit >> arch/sh/include/asm/thread_info.h:72:9: 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/sh/include/asm/thread_info.h:72:9: sparse: sparse: context imbalance in >> 'SPINLOCK_in_HARDIRQ' - wrong count at exit >> arch/sh/include/asm/thread_info.h:72:9: sparse: sparse: context imbalance in >> 'SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit >> arch/sh/include/asm/thread_info.h:72:9: 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 +72 arch/sh/include/asm/thread_info.h a6a31139897a5e include/asm-sh/thread_info.h Paul Mundt 2006-09-27 66 ^1da177e4c3f41 include/asm-sh/thread_info.h Linus Torvalds 2005-04-16 67 /* how to get the thread information struct from C */ ^1da177e4c3f41 include/asm-sh/thread_info.h Linus Torvalds 2005-04-16 68 static inline struct thread_info *current_thread_info(void) ^1da177e4c3f41 include/asm-sh/thread_info.h Linus Torvalds 2005-04-16 69 { ^1da177e4c3f41 include/asm-sh/thread_info.h Linus Torvalds 2005-04-16 70 struct thread_info *ti; 37744feebc0869 arch/sh/include/asm/thread_info.h Arnd Bergmann 2020-04-20 71 #if defined(CONFIG_CPU_HAS_SR_RB) 114f132975ae8d include/asm-sh/thread_info.h Paul Mundt 2007-11-09 @72 __asm__ __volatile__ ("stc r7_bank, %0" : "=r" (ti)); f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 73 #else f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 74 unsigned long __dummy; f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 75 f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 76 __asm__ __volatile__ ( f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 77 "mov r15, %0\n\t" f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 78 "and %1, %0\n\t" f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 79 : "=&r" (ti), "=r" (__dummy) f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 80 : "1" (~(THREAD_SIZE - 1)) f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 81 : "memory"); f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 82 #endif f1517494407b1f include/asm-sh/thread_info.h Paul Mundt 2006-09-27 83 ^1da177e4c3f41 include/asm-sh/thread_info.h Linus Torvalds 2005-04-16 84 return ti; ^1da177e4c3f41 include/asm-sh/thread_info.h Linus Torvalds 2005-04-16 85 } ^1da177e4c3f41 include/asm-sh/thread_info.h Linus Torvalds 2005-04-16 86 :::::: The code at line 72 was first introduced by commit :::::: 114f132975ae8db3caa0c3420dc1083bae8d3757 sh: SH-5 version of current_thread_info(). :::::: TO: Paul Mundt <[email protected]> :::::: CC: Paul Mundt <[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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