CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Nicholas Piggin <npig...@gmail.com> CC: Peter Zijlstra <pet...@infradead.org> CC: "Steven Rostedt (VMware)" <rost...@goodmis.org> CC: Thomas Gleixner <t...@linutronix.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 581cb3a26baf846ee9636214afaa5333919875b1 commit: 044d0d6de9f50192f9697583504a382347ee95ca lockdep: Only trace IRQ edges date: 2 weeks ago :::::: branch date: 11 hours ago :::::: commit date: 2 weeks ago config: parisc-randconfig-s031-20200911 (attached as .config) compiler: hppa-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: v0.6.2-191-g10164920-dirty git checkout 044d0d6de9f50192f9697583504a382347ee95ca # 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=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) drivers/mfd/ti_am335x_tscadc.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...): >> include/linux/spinlock.h:404:9: sparse: sparse: context imbalance in >> 'am335x_tscadc_need_adc' - unexpected unlock # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=044d0d6de9f50192f9697583504a382347ee95ca git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 044d0d6de9f50192f9697583504a382347ee95ca vim +/am335x_tscadc_need_adc +404 include/linux/spinlock.h c2f21ce2e31286 Thomas Gleixner 2009-12-02 401 3490565b633c70 Denys Vlasenko 2015-07-13 402 static __always_inline void spin_unlock_irq(spinlock_t *lock) c2f21ce2e31286 Thomas Gleixner 2009-12-02 403 { c2f21ce2e31286 Thomas Gleixner 2009-12-02 @404 raw_spin_unlock_irq(&lock->rlock); c2f21ce2e31286 Thomas Gleixner 2009-12-02 405 } c2f21ce2e31286 Thomas Gleixner 2009-12-02 406 :::::: The code at line 404 was first introduced by commit :::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock :::::: TO: Thomas Gleixner <t...@linutronix.de> :::::: CC: Thomas Gleixner <t...@linutronix.de> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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