Hi Steven, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.5-rc1 next-20191209] [cannot apply to arm64/for-next/core tip/x86/mm] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Steven-Price/Generic-page-walk-and-ptdump/20191208-035831 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ad910e36da4ca3a1bd436989f632d062dda0c921 reproduce: # apt-get install sparse # sparse version: v0.6.1-101-g82dee2e-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in 'walk_pte_range' - unexpected unlock vim +/walk_pte_range +378 include/linux/spinlock.h c2f21ce2e31286 Thomas Gleixner 2009-12-02 375 3490565b633c70 Denys Vlasenko 2015-07-13 376 static __always_inline void spin_unlock(spinlock_t *lock) c2f21ce2e31286 Thomas Gleixner 2009-12-02 377 { c2f21ce2e31286 Thomas Gleixner 2009-12-02 @378 raw_spin_unlock(&lock->rlock); c2f21ce2e31286 Thomas Gleixner 2009-12-02 379 } c2f21ce2e31286 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 <tglx@xxxxxxxxxxxxx> :::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
