CC: [email protected]
TO: Juri Lelli <[email protected]>
CC: "Greg Kroah-Hartman" <[email protected]>
CC: Daniel Bristot de Oliveira <[email protected]>
CC: Ingo Molnar <[email protected]>
CC: Valentin Schneider <[email protected]>
CC: Sasha Levin <[email protected]>

tree:   
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git 
linux-5.4.y
head:   a3e34830d91255b6038c86c49a880c59a1aba945
commit: 78e27678db4ea62377425df497c7421359888b1a [2735/3218] sched/features: 
Fix !CONFIG_JUMP_LABEL case
:::::: branch date: 2 days ago
:::::: commit date: 3 weeks ago
config: parisc-randconfig-s032-20201105 (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: v0.6.3-107-gaf3512a6-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=78e27678db4ea62377425df497c7421359888b1a
        git remote add linux-stable-rc 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-5.4.y
        git checkout 78e27678db4ea62377425df497c7421359888b1a
        # 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 <[email protected]>


"sparse warnings: (new ones prefixed by >>)"
   kernel/sched/rt.c: note: in included file (through 
arch/parisc/include/uapi/asm/unistd.h, arch/parisc/include/asm/unistd.h, 
include/uapi/linux/unistd.h, ...):
   ./arch/parisc/include/generated/uapi/asm/unistd_32.h:380:41: sparse: sparse: 
no newline at end of file
   kernel/sched/rt.c:1673:9: sparse: sparse: incorrect type in assignment 
(different address spaces) @@     expected struct sched_domain *[assigned] sd 
@@     got struct sched_domain [noderef] <asn:4> *parent @@
   kernel/sched/rt.c:1673:9: sparse:     expected struct sched_domain 
*[assigned] sd
   kernel/sched/rt.c:1673:9: sparse:     got struct sched_domain [noderef] 
<asn:4> *parent
   kernel/sched/rt.c: note: in included file (through include/linux/wait.h, 
include/linux/pid.h, include/linux/sched.h, kernel/sched/sched.h):
   include/linux/spinlock.h:210:25: sparse: sparse: context imbalance in 
'find_lock_lowest_rq' - unexpected unlock
   kernel/sched/rt.c:1859:9: sparse: sparse: context imbalance in 
'push_rt_task' - unexpected unlock
>> include/linux/spinlock.h:210:25: sparse: sparse: context imbalance in 
>> 'pull_rt_task' - unexpected unlock

vim +/pull_rt_task +210 include/linux/spinlock.h

c2f21ce2e31286a Thomas Gleixner 2009-12-02  206  
b97c4bc16734a2e Luca Barbieri   2010-03-11  207  static inline void 
do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock)
c2f21ce2e31286a Thomas Gleixner 2009-12-02  208  {
60ca1e5a200cd29 Will Deacon     2019-02-22  209         mmiowb_spin_unlock();
c2f21ce2e31286a Thomas Gleixner 2009-12-02 @210         
arch_spin_unlock(&lock->raw_lock);
b97c4bc16734a2e Luca Barbieri   2010-03-11  211         __release(lock);
c2f21ce2e31286a Thomas Gleixner 2009-12-02  212  }
^1da177e4c3f415 Linus Torvalds  2005-04-16  213  #endif
^1da177e4c3f415 Linus Torvalds  2005-04-16  214  

:::::: The code at line 210 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]

Attachment: .config.gz
Description: application/gzip

_______________________________________________
kbuild mailing list -- [email protected]
To unsubscribe send an email to [email protected]

Reply via email to