CC: [email protected] CC: [email protected] TO: Ard Biesheuvel <[email protected]> CC: Ingo Molnar <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ed8780e3f2ecc82645342d070c6b4e530532e680 commit: ea5e1919b44f09fce72d919fbb87f9611fc700a6 efi/x86: Simplify mixed mode call wrapper date: 10 months ago :::::: branch date: 12 hours ago :::::: commit date: 10 months ago config: x86_64-randconfig-s032-20201028 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-56-gc09e8239-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea5e1919b44f09fce72d919fbb87f9611fc700a6 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ea5e1919b44f09fce72d919fbb87f9611fc700a6 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> "sparse warnings: (new ones prefixed by >>)" arch/x86/platform/efi/efi_64.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/mm.h): >> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in >> 'efi_thunk_set_variable_nonblocking' - wrong count at exit arch/x86/platform/efi/efi_64.c:960:1: sparse: sparse: context imbalance in 'efi_thunk_query_variable_info_nonblocking' - different lock contexts for basic block vim +/efi_thunk_set_variable_nonblocking +393 include/linux/spinlock.h c2f21ce2e31286 Thomas Gleixner 2009-12-02 390 3490565b633c70 Denys Vlasenko 2015-07-13 391 static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) c2f21ce2e31286 Thomas Gleixner 2009-12-02 392 { c2f21ce2e31286 Thomas Gleixner 2009-12-02 @393 raw_spin_unlock_irqrestore(&lock->rlock, flags); c2f21ce2e31286 Thomas Gleixner 2009-12-02 394 } c2f21ce2e31286 Thomas Gleixner 2009-12-02 395 :::::: The code at line 393 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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