CC: [email protected] CC: [email protected] TO: Mark Rutland <[email protected]> CC: Peter Zijlstra <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 50987beca096a7ed4f453a6da245fd6a2fadedeb commit: 997acaf6b4b59c6a9c259740312a69ea549cc684 lockdep: report broken irq restoration date: 3 months ago :::::: branch date: 10 hours ago :::::: commit date: 3 months ago config: sparc64-randconfig-s031-20210414 (attached as .config) compiler: sparc64-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: v0.6.3-280-g2cd6d34e-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=997acaf6b4b59c6a9c259740312a69ea549cc684 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 997acaf6b4b59c6a9c259740312a69ea549cc684 # 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=sparc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) drivers/tty/serial/sunhv.c: note: in included file (through include/linux/wait.h, include/linux/wait_bit.h, include/linux/fs.h, include/linux/tty.h): >> include/linux/spinlock.h:409:9: sparse: sparse: context imbalance in >> 'sunhv_console_write_paged' - wrong count at exit >> include/linux/spinlock.h:409:9: sparse: sparse: context imbalance in >> 'sunhv_console_write_bychar' - wrong count at exit vim +/sunhv_console_write_paged +409 include/linux/spinlock.h c2f21ce2e31286 Thomas Gleixner 2009-12-02 406 3490565b633c70 Denys Vlasenko 2015-07-13 407 static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) c2f21ce2e31286 Thomas Gleixner 2009-12-02 408 { c2f21ce2e31286 Thomas Gleixner 2009-12-02 @409 raw_spin_unlock_irqrestore(&lock->rlock, flags); c2f21ce2e31286 Thomas Gleixner 2009-12-02 410 } c2f21ce2e31286 Thomas Gleixner 2009-12-02 411 :::::: The code at line 409 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
Description: application/gzip
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