Messages in this thread | | | Date | Thu, 11 Jun 2020 12:20:39 +0800 | From | kernel test robot <> | Subject | include/asm-generic/qspinlock.h:94:9: sparse: sparse: context imbalance in 'do_sched_cfs_period_timer' - unexpected unlock |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b29482fde649c72441d5478a4ea2c52c56d97a5e commit: ab93a4bc955b3980c699430bc0b633f0d8b607be sched/fair: Remove distribute_running from CFS bandwidth date: 6 weeks ago config: arm64-randconfig-s032-20200611 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-250-g42323db3-dirty git checkout ab93a4bc955b3980c699430bc0b633f0d8b607be # save the attached .config to linux build tree make W=1 C=1 ARCH=arm64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
kernel/sched/fair.c:882:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_entity *se @@ got struct sched_entity [noderef] <asn:4> * @@ kernel/sched/fair.c:882:34: sparse: expected struct sched_entity *se kernel/sched/fair.c:882:34: sparse: got struct sched_entity [noderef] <asn:4> * kernel/sched/fair.c:4851:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:4851:22: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/fair.c:4851:22: sparse: struct task_struct * kernel/sched/fair.c:6533:20: 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/fair.c:6533:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:6533:20: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:6652:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:6652:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:6652:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:6854:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/fair.c:6854:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:6854:38: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/fair.c:7105:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] <asn:4> *curr @@ kernel/sched/fair.c:7105:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:7105:38: sparse: got struct task_struct [noderef] <asn:4> *curr kernel/sched/fair.c:8063:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:8063:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:8063:40: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:8556:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:8556:22: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/fair.c:8556:22: sparse: struct task_struct * kernel/sched/fair.c:9800:9: 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/fair.c:9800:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:9800:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:9460:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *sd_parent @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:9460:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:9460:44: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:9879:9: 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/fair.c:9879:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:9879:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:10479:9: 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/fair.c:10479:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:10479:9: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/fair.c:10683:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10683:22: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/fair.c:10683:22: sparse: struct task_struct * kernel/sched/fair.c:10816:30: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10816:30: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/fair.c:10816:30: sparse: struct task_struct * >> include/asm-generic/qspinlock.h:94:9: sparse: sparse: context imbalance in 'do_sched_cfs_period_timer' - unexpected unlock kernel/sched/fair.c:5908:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:5908:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:5908:28: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:5914:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:5914:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:5914:28: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:5921:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] <asn:4> *child @@ kernel/sched/fair.c:5921:28: sparse: expected struct sched_domain *sd kernel/sched/fair.c:5921:28: sparse: got struct sched_domain [noderef] <asn:4> *child kernel/sched/fair.c:5929:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] <asn:4> *parent @@ kernel/sched/fair.c:5929:17: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:5929:17: sparse: got struct sched_domain [noderef] <asn:4> *parent kernel/sched/sched.h:1808:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:1808:9: sparse: struct task_struct [noderef] <asn:4> * kernel/sched/sched.h:1808:9: sparse: struct task_struct *
vim +/do_sched_cfs_period_timer +94 include/asm-generic/qspinlock.h
a33fda35e3a765 Waiman Long 2015-04-24 83 a33fda35e3a765 Waiman Long 2015-04-24 84 #ifndef queued_spin_unlock a33fda35e3a765 Waiman Long 2015-04-24 85 /** a33fda35e3a765 Waiman Long 2015-04-24 86 * queued_spin_unlock - release a queued spinlock a33fda35e3a765 Waiman Long 2015-04-24 87 * @lock : Pointer to queued spinlock structure a33fda35e3a765 Waiman Long 2015-04-24 88 */ a33fda35e3a765 Waiman Long 2015-04-24 89 static __always_inline void queued_spin_unlock(struct qspinlock *lock) a33fda35e3a765 Waiman Long 2015-04-24 90 { a33fda35e3a765 Waiman Long 2015-04-24 91 /* ca50e426f96c90 Pan Xinhui 2016-06-03 92 * unlock() needs release semantics: a33fda35e3a765 Waiman Long 2015-04-24 93 */ 626e5fbc143589 Will Deacon 2018-04-26 @94 smp_store_release(&lock->locked, 0); a33fda35e3a765 Waiman Long 2015-04-24 95 } a33fda35e3a765 Waiman Long 2015-04-24 96 #endif a33fda35e3a765 Waiman Long 2015-04-24 97
:::::: The code at line 94 was first introduced by commit :::::: 626e5fbc14358901ddaa90ce510e0fbeab310432 locking/qspinlock: Use smp_store_release() in queued_spin_unlock()
:::::: TO: Will Deacon <will.deacon@arm.com> :::::: CC: Ingo Molnar <mingo@kernel.org>
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