* include/linux/spinlock_api_smp.h:119:31: sparse: sparse: context imbalance in 'vpe_to_cpuid_lock' - wrong count at exit
@ 2021-01-17 21:14 kernel test robot
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From: kernel test robot @ 2021-01-17 21:14 UTC (permalink / raw
To: kbuild
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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Marc Zyngier <maz@kernel.org>
CC: Zenghui Yu <yuzenghui@huawei.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0da0a8a0a0e1845f495431c3d8d733d2bbf9e9e5
commit: f3a059219bc718ccc3bf3ff894f089b7e9a93139 irqchip/gic-v4.1: Ensure mutual exclusion between vPE affinity change and RD access
date: 10 months ago
:::::: branch date: 25 hours ago
:::::: commit date: 10 months ago
config: arm64-randconfig-s031-20210118 (attached as .config)
compiler: aarch64-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: v0.6.3-208-g46a52ca4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f3a059219bc718ccc3bf3ff894f089b7e9a93139
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f3a059219bc718ccc3bf3ff894f089b7e9a93139
# 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=arm64
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 >>)"
drivers/irqchip/irq-gic-v3-its.c:2010:23: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2010:23: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2388:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2388:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2443:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2443:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2571:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct cpumask [usertype] **mask @@ got struct cpumask [usertype] *[noderef] <asn:3> * @@
drivers/irqchip/irq-gic-v3-its.c:2571:45: sparse: expected struct cpumask [usertype] **mask
drivers/irqchip/irq-gic-v3-its.c:2571:45: sparse: got struct cpumask [usertype] *[noderef] <asn:3> *
drivers/irqchip/irq-gic-v3-its.c:2712:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2712:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2727:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2727:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2943:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2943:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:4592:19: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:4592:19: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c: note: in included file (through include/linux/spinlock.h, include/linux/radix-tree.h, include/linux/idr.h, ...):
>> include/linux/spinlock_api_smp.h:119:31: sparse: sparse: context imbalance in 'vpe_to_cpuid_lock' - wrong count at exit
drivers/irqchip/irq-gic-v3-its.c:248:13: sparse: sparse: context imbalance in 'vpe_to_cpuid_unlock' - unexpected unlock
drivers/irqchip/irq-gic-v3-its.c:1376:18: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2010:23: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2010:23: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2010:23: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2388:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2388:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2388:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2409:17: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2443:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2443:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2443:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2447:38: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2465:17: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2465:49: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2466:25: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2476:30: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2519:17: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2546:35: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2575:9: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2576:14: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2646:9: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2658:45: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2658:45: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2660:9: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2712:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2712:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2712:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2727:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2727:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2727:15: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2752:17: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2790:31: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2795:13: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2814:40: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2815:17: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2820:21: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2874:43: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2909:9: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2910:9: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2940:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2943:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2943:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:2943:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3495:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3544:13: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3545:36: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3545:36: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3560:35: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3592:35: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3665:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3704:26: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3778:35: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3793:35: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:3828:18: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:4592:19: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:4592:19: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:4592:19: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:4597:31: sparse: sparse: dereference of noderef expression
drivers/irqchip/irq-gic-v3-its.c:4617:13: sparse: sparse: dereference of noderef expression
vim +/vpe_to_cpuid_lock +119 include/linux/spinlock_api_smp.h
69d0ee7377eef808 Heiko Carstens 2009-08-31 103
9c1721aa4994f662 Thomas Gleixner 2009-12-03 104 static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock)
69d0ee7377eef808 Heiko Carstens 2009-08-31 105 {
69d0ee7377eef808 Heiko Carstens 2009-08-31 106 unsigned long flags;
69d0ee7377eef808 Heiko Carstens 2009-08-31 107
69d0ee7377eef808 Heiko Carstens 2009-08-31 108 local_irq_save(flags);
69d0ee7377eef808 Heiko Carstens 2009-08-31 109 preempt_disable();
69d0ee7377eef808 Heiko Carstens 2009-08-31 110 spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
69d0ee7377eef808 Heiko Carstens 2009-08-31 111 /*
69d0ee7377eef808 Heiko Carstens 2009-08-31 112 * On lockdep we dont want the hand-coded irq-enable of
9828ea9d75c38fe3 Thomas Gleixner 2009-12-03 113 * do_raw_spin_lock_flags() code, because lockdep assumes
69d0ee7377eef808 Heiko Carstens 2009-08-31 114 * that interrupts are not re-enabled during lock-acquire:
69d0ee7377eef808 Heiko Carstens 2009-08-31 115 */
69d0ee7377eef808 Heiko Carstens 2009-08-31 116 #ifdef CONFIG_LOCKDEP
9828ea9d75c38fe3 Thomas Gleixner 2009-12-03 117 LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
69d0ee7377eef808 Heiko Carstens 2009-08-31 118 #else
9828ea9d75c38fe3 Thomas Gleixner 2009-12-03 @119 do_raw_spin_lock_flags(lock, &flags);
69d0ee7377eef808 Heiko Carstens 2009-08-31 120 #endif
69d0ee7377eef808 Heiko Carstens 2009-08-31 121 return flags;
69d0ee7377eef808 Heiko Carstens 2009-08-31 122 }
69d0ee7377eef808 Heiko Carstens 2009-08-31 123
:::::: The code at line 119 was first introduced by commit
:::::: 9828ea9d75c38fe3dce05d00566eed61c85732e6 locking: Further name space cleanups
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-01-17 21:14 include/linux/spinlock_api_smp.h:119:31: sparse: sparse: context imbalance in 'vpe_to_cpuid_lock' - wrong count at exit kernel test robot
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