CC: [email protected] CC: [email protected] TO: Nicholas Piggin <[email protected]> CC: Peter Zijlstra <[email protected]> CC: "Steven Rostedt (VMware)" <[email protected]> CC: Thomas Gleixner <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ef2e9a563b0cd7965e2a1263125dcbb1c86aa6cc commit: 044d0d6de9f50192f9697583504a382347ee95ca lockdep: Only trace IRQ edges date: 3 weeks ago :::::: branch date: 18 hours ago :::::: commit date: 3 weeks ago config: openrisc-randconfig-s032-20200912 (attached as .config) compiler: or1k-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=openrisc 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/usb/host/ehci-hcd.c: note: in included file: drivers/usb/host/ehci-q.c:1389:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] old_current @@ got int @@ drivers/usb/host/ehci-q.c:1389:27: sparse: expected restricted __le32 [usertype] old_current drivers/usb/host/ehci-q.c:1389:27: sparse: got int drivers/usb/host/ehci-hcd.c:566:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] old_current @@ got int @@ drivers/usb/host/ehci-hcd.c:566:27: sparse: expected restricted __le32 [usertype] old_current drivers/usb/host/ehci-hcd.c:566:27: sparse: got int drivers/usb/host/ehci-hcd.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 >> 'ehci_turn_off_all_ports' - unexpected unlock -- drivers/gpu/drm/vkms/vkms_crtc.c: note: in included file (through include/linux/radix-tree.h, include/linux/idr.h, include/linux/kernfs.h, ...): >> include/linux/spinlock.h:379:9: sparse: sparse: context imbalance in >> 'vkms_crtc_atomic_begin' - wrong count at exit include/linux/spinlock.h:404:9: sparse: sparse: context imbalance in 'vkms_crtc_atomic_flush' - 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 +/ehci_turn_off_all_ports +404 include/linux/spinlock.h c2f21ce2e31286a Thomas Gleixner 2009-12-02 376 3490565b633c705 Denys Vlasenko 2015-07-13 377 static __always_inline void spin_lock_irq(spinlock_t *lock) c2f21ce2e31286a Thomas Gleixner 2009-12-02 378 { c2f21ce2e31286a Thomas Gleixner 2009-12-02 @379 raw_spin_lock_irq(&lock->rlock); c2f21ce2e31286a Thomas Gleixner 2009-12-02 380 } c2f21ce2e31286a Thomas Gleixner 2009-12-02 381 c2f21ce2e31286a Thomas Gleixner 2009-12-02 382 #define spin_lock_irqsave(lock, flags) \ c2f21ce2e31286a Thomas Gleixner 2009-12-02 383 do { \ c2f21ce2e31286a Thomas Gleixner 2009-12-02 384 raw_spin_lock_irqsave(spinlock_check(lock), flags); \ c2f21ce2e31286a Thomas Gleixner 2009-12-02 385 } while (0) c2f21ce2e31286a Thomas Gleixner 2009-12-02 386 c2f21ce2e31286a Thomas Gleixner 2009-12-02 387 #define spin_lock_irqsave_nested(lock, flags, subclass) \ c2f21ce2e31286a Thomas Gleixner 2009-12-02 388 do { \ c2f21ce2e31286a Thomas Gleixner 2009-12-02 389 raw_spin_lock_irqsave_nested(spinlock_check(lock), flags, subclass); \ c2f21ce2e31286a Thomas Gleixner 2009-12-02 390 } while (0) c2f21ce2e31286a Thomas Gleixner 2009-12-02 391 3490565b633c705 Denys Vlasenko 2015-07-13 392 static __always_inline void spin_unlock(spinlock_t *lock) c2f21ce2e31286a Thomas Gleixner 2009-12-02 393 { c2f21ce2e31286a Thomas Gleixner 2009-12-02 394 raw_spin_unlock(&lock->rlock); c2f21ce2e31286a Thomas Gleixner 2009-12-02 395 } c2f21ce2e31286a Thomas Gleixner 2009-12-02 396 3490565b633c705 Denys Vlasenko 2015-07-13 397 static __always_inline void spin_unlock_bh(spinlock_t *lock) c2f21ce2e31286a Thomas Gleixner 2009-12-02 398 { c2f21ce2e31286a Thomas Gleixner 2009-12-02 399 raw_spin_unlock_bh(&lock->rlock); c2f21ce2e31286a Thomas Gleixner 2009-12-02 400 } c2f21ce2e31286a Thomas Gleixner 2009-12-02 401 3490565b633c705 Denys Vlasenko 2015-07-13 402 static __always_inline void spin_unlock_irq(spinlock_t *lock) c2f21ce2e31286a Thomas Gleixner 2009-12-02 403 { c2f21ce2e31286a Thomas Gleixner 2009-12-02 @404 raw_spin_unlock_irq(&lock->rlock); c2f21ce2e31286a Thomas Gleixner 2009-12-02 405 } c2f21ce2e31286a 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 <[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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