tree: https://github.com/ceph/ceph-client.git testing head: 9c4e2af200ffe80d2f917b75f92ab57f0a091a17 commit: 7833323363233c75fd8d10b5ceefbb9515cb3e32 [9/30] ceph: don't take i_ceph_lock in handle_cap_import config: microblaze-randconfig-s031-20200602 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-243-gc100a7ab-dirty git checkout 7833323363233c75fd8d10b5ceefbb9515cb3e32 # save the attached .config to linux build tree make W=1 C=1 ARCH=microblaze CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) fs/ceph/caps.c:3443:9: sparse: sparse: context imbalance in 'handle_cap_grant' - wrong count at exit >> include/linux/spinlock.h:353:9: sparse: sparse: context imbalance in 'ceph_handle_caps' - unexpected unlock vim +/ceph_handle_caps +353 include/linux/spinlock.h de8f5e4f2dc1f0 Peter Zijlstra 2020-03-21 350 3490565b633c70 Denys Vlasenko 2015-07-13 351 static __always_inline void spin_lock(spinlock_t *lock) c2f21ce2e31286 Thomas Gleixner 2009-12-02 352 { c2f21ce2e31286 Thomas Gleixner 2009-12-02 @353 raw_spin_lock(&lock->rlock); c2f21ce2e31286 Thomas Gleixner 2009-12-02 354 } c2f21ce2e31286 Thomas Gleixner 2009-12-02 355 :::::: The code at line 353 was first introduced by commit :::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock :::::: TO: Thomas Gleixner <tglx@xxxxxxxxxxxxx> :::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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