tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 52366a107bf0600cf366f5ff3ea1f147b285e41f commit: 9e953cda5cdf1c230a3c9b7fc4d5e94f15885a9b riscv: Introduce huge page support for 32/64bit kernel date: 12 months ago config: riscv-randconfig-s031-20200624 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout 9e953cda5cdf1c230a3c9b7fc4d5e94f15885a9b # save the attached .config to linux build tree make W=1 C=1 ARCH=riscv CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in >> 'gather_surplus_pages' - unexpected unlock include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in 'hugetlb_cow' - unexpected unlock mm/hugetlb.c:4323:25: sparse: sparse: context imbalance in 'follow_hugetlb_page' - different lock contexts for basic block vim +/gather_surplus_pages +378 include/linux/spinlock.h c2f21ce2e31286a Thomas Gleixner 2009-12-02 375 3490565b633c705 Denys Vlasenko 2015-07-13 376 static __always_inline void spin_unlock(spinlock_t *lock) c2f21ce2e31286a Thomas Gleixner 2009-12-02 377 { c2f21ce2e31286a Thomas Gleixner 2009-12-02 @378 raw_spin_unlock(&lock->rlock); c2f21ce2e31286a Thomas Gleixner 2009-12-02 379 } c2f21ce2e31286a Thomas Gleixner 2009-12-02 380 :::::: The code at line 378 was first introduced by commit :::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock :::::: TO: Thomas Gleixner <[email protected]> :::::: CC: Thomas Gleixner <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
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