* arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
@ 2021-03-02 23:27 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2021-03-02 23:27 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 9102 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Boqun Feng <boqun.feng@gmail.com>
CC: Peter Zijlstra <peterz@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7a7fd0de4a9804299793e564a555a49c1fc924cb
commit: 9271a40d2a1429113160ccc4c16150921600bcc1 lockdep/selftest: Add wait context selftests
date: 7 weeks ago
:::::: branch date: 28 hours ago
:::::: commit date: 7 weeks ago
config: arm64-randconfig-s032-20210302 (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: v0.6.3-241-geaceeafa-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9271a40d2a1429113160ccc4c16150921600bcc1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 9271a40d2a1429113160ccc4c16150921600bcc1
# 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 >>)"
lib/locking-selftest.c:298:1: sparse: sparse: context imbalance in 'AA_spin' - wrong count at exit
lib/locking-selftest.c:300:1: sparse: sparse: context imbalance in 'AA_wlock' - wrong count at exit
lib/locking-selftest.c:302:1: sparse: sparse: context imbalance in 'AA_rlock' - wrong count at exit
lib/locking-selftest.c:321:13: sparse: sparse: context imbalance in 'rlock_AA1' - wrong count at exit
lib/locking-selftest.c:327:13: sparse: sparse: context imbalance in 'rlock_AA1B' - wrong count at exit
lib/locking-selftest.c:347:13: sparse: sparse: context imbalance in 'rlock_AA2' - wrong count at exit
lib/locking-selftest.c:359:13: sparse: sparse: context imbalance in 'rlock_AA3' - wrong count at exit
lib/locking-selftest.c:722:1: sparse: sparse: context imbalance in 'double_unlock_spin' - unexpected unlock
lib/locking-selftest.c:724:1: sparse: sparse: context imbalance in 'double_unlock_wlock' - unexpected unlock
lib/locking-selftest.c:726:1: sparse: sparse: context imbalance in 'double_unlock_rlock' - unexpected unlock
lib/locking-selftest.c:753:1: sparse: sparse: context imbalance in 'init_held_spin' - wrong count at exit
lib/locking-selftest.c:755:1: sparse: sparse: context imbalance in 'init_held_wlock' - wrong count at exit
lib/locking-selftest.c:757:1: sparse: sparse: context imbalance in 'init_held_rlock' - wrong count at exit
lib/locking-selftest.c:2456:13: sparse: sparse: context imbalance in 'rcu_exit' - unexpected unlock
lib/locking-selftest.c:2465:13: sparse: sparse: context imbalance in 'rcu_bh_exit' - unexpected unlock
lib/locking-selftest.c:2474:13: sparse: sparse: context imbalance in 'rcu_sched_exit' - unexpected unlock
lib/locking-selftest.c:2493:13: sparse: sparse: context imbalance in 'raw_spinlock_exit' - unexpected unlock
lib/locking-selftest.c:2502:13: sparse: sparse: context imbalance in 'spinlock_exit' - unexpected unlock
lib/locking-selftest.c: note: in included file (through include/linux/thread_info.h, arch/arm64/include/asm/preempt.h, include/linux/preempt.h, ...):
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_NOTTHREADED_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_MUTEX' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_MUTEX' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_MUTEX' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_SPINLOCK' - wrong count at exit
vim +/RCU_in_HARDIRQ +19 arch/arm64/include/asm/current.h
c02433dd6de32f Mark Rutland 2016-11-03 10
9d84fb27fa135c Mark Rutland 2017-01-03 11 /*
9d84fb27fa135c Mark Rutland 2017-01-03 12 * We don't use read_sysreg() as we want the compiler to cache the value where
9d84fb27fa135c Mark Rutland 2017-01-03 13 * possible.
9d84fb27fa135c Mark Rutland 2017-01-03 14 */
c02433dd6de32f Mark Rutland 2016-11-03 15 static __always_inline struct task_struct *get_current(void)
c02433dd6de32f Mark Rutland 2016-11-03 16 {
9d84fb27fa135c Mark Rutland 2017-01-03 17 unsigned long sp_el0;
9d84fb27fa135c Mark Rutland 2017-01-03 18
9d84fb27fa135c Mark Rutland 2017-01-03 @19 asm ("mrs %0, sp_el0" : "=r" (sp_el0));
9d84fb27fa135c Mark Rutland 2017-01-03 20
9d84fb27fa135c Mark Rutland 2017-01-03 21 return (struct task_struct *)sp_el0;
c02433dd6de32f Mark Rutland 2016-11-03 22 }
c02433dd6de32f Mark Rutland 2016-11-03 23
:::::: The code at line 19 was first introduced by commit
:::::: 9d84fb27fa135c99c9fe3de33628774a336a70a8 arm64: restore get_current() optimisation
:::::: TO: Mark Rutland <mark.rutland@arm.com>
:::::: CC: Catalin Marinas <catalin.marinas@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 32279 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread* arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
@ 2021-04-05 10:30 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2021-04-05 10:30 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 9116 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Boqun Feng <boqun.feng@gmail.com>
CC: Peter Zijlstra <peterz@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e49d033bddf5b565044e2abe4241353959bc9120
commit: 9271a40d2a1429113160ccc4c16150921600bcc1 lockdep/selftest: Add wait context selftests
date: 3 months ago
:::::: branch date: 13 hours ago
:::::: commit date: 3 months ago
config: arm64-randconfig-s031-20210405 (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: v0.6.3-279-g6d5d9b42-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9271a40d2a1429113160ccc4c16150921600bcc1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 9271a40d2a1429113160ccc4c16150921600bcc1
# 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 >>)
lib/locking-selftest.c:298:1: sparse: sparse: context imbalance in 'AA_spin' - wrong count at exit
lib/locking-selftest.c:300:1: sparse: sparse: context imbalance in 'AA_wlock' - wrong count at exit
lib/locking-selftest.c:302:1: sparse: sparse: context imbalance in 'AA_rlock' - wrong count at exit
lib/locking-selftest.c:321:13: sparse: sparse: context imbalance in 'rlock_AA1' - wrong count at exit
lib/locking-selftest.c:327:13: sparse: sparse: context imbalance in 'rlock_AA1B' - wrong count at exit
lib/locking-selftest.c:347:13: sparse: sparse: context imbalance in 'rlock_AA2' - wrong count at exit
lib/locking-selftest.c:359:13: sparse: sparse: context imbalance in 'rlock_AA3' - wrong count at exit
lib/locking-selftest.c:722:1: sparse: sparse: context imbalance in 'double_unlock_spin' - unexpected unlock
lib/locking-selftest.c:724:1: sparse: sparse: context imbalance in 'double_unlock_wlock' - unexpected unlock
lib/locking-selftest.c:726:1: sparse: sparse: context imbalance in 'double_unlock_rlock' - unexpected unlock
lib/locking-selftest.c:753:1: sparse: sparse: context imbalance in 'init_held_spin' - wrong count at exit
lib/locking-selftest.c:755:1: sparse: sparse: context imbalance in 'init_held_wlock' - wrong count at exit
lib/locking-selftest.c:757:1: sparse: sparse: context imbalance in 'init_held_rlock' - wrong count at exit
lib/locking-selftest.c:2456:13: sparse: sparse: context imbalance in 'rcu_exit' - unexpected unlock
lib/locking-selftest.c:2465:13: sparse: sparse: context imbalance in 'rcu_bh_exit' - unexpected unlock
lib/locking-selftest.c:2474:13: sparse: sparse: context imbalance in 'rcu_sched_exit' - unexpected unlock
lib/locking-selftest.c:2493:13: sparse: sparse: context imbalance in 'raw_spinlock_exit' - unexpected unlock
lib/locking-selftest.c:2502:13: sparse: sparse: context imbalance in 'spinlock_exit' - unexpected unlock
lib/locking-selftest.c: note: in included file (through include/linux/thread_info.h, arch/arm64/include/asm/preempt.h, include/linux/preempt.h, ...):
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_NOTTHREADED_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_MUTEX' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_MUTEX' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_MUTEX' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_SPINLOCK' - wrong count at exit
vim +/RCU_in_HARDIRQ +19 arch/arm64/include/asm/current.h
c02433dd6de32f0 Mark Rutland 2016-11-03 10
9d84fb27fa135c9 Mark Rutland 2017-01-03 11 /*
9d84fb27fa135c9 Mark Rutland 2017-01-03 12 * We don't use read_sysreg() as we want the compiler to cache the value where
9d84fb27fa135c9 Mark Rutland 2017-01-03 13 * possible.
9d84fb27fa135c9 Mark Rutland 2017-01-03 14 */
c02433dd6de32f0 Mark Rutland 2016-11-03 15 static __always_inline struct task_struct *get_current(void)
c02433dd6de32f0 Mark Rutland 2016-11-03 16 {
9d84fb27fa135c9 Mark Rutland 2017-01-03 17 unsigned long sp_el0;
9d84fb27fa135c9 Mark Rutland 2017-01-03 18
9d84fb27fa135c9 Mark Rutland 2017-01-03 @19 asm ("mrs %0, sp_el0" : "=r" (sp_el0));
9d84fb27fa135c9 Mark Rutland 2017-01-03 20
9d84fb27fa135c9 Mark Rutland 2017-01-03 21 return (struct task_struct *)sp_el0;
c02433dd6de32f0 Mark Rutland 2016-11-03 22 }
c02433dd6de32f0 Mark Rutland 2016-11-03 23
:::::: The code at line 19 was first introduced by commit
:::::: 9d84fb27fa135c99c9fe3de33628774a336a70a8 arm64: restore get_current() optimisation
:::::: TO: Mark Rutland <mark.rutland@arm.com>
:::::: CC: Catalin Marinas <catalin.marinas@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 24636 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread* arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
@ 2021-06-29 15:51 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2021-06-29 15:51 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 9129 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Boqun Feng <boqun.feng@gmail.com>
CC: Peter Zijlstra <peterz@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c54b245d011855ea91c5beff07f1db74143ce614
commit: 9271a40d2a1429113160ccc4c16150921600bcc1 lockdep/selftest: Add wait context selftests
date: 6 months ago
:::::: branch date: 12 hours ago
:::::: commit date: 6 months ago
config: arm64-randconfig-s031-20210629 (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: v0.6.3-341-g8af24329-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9271a40d2a1429113160ccc4c16150921600bcc1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 9271a40d2a1429113160ccc4c16150921600bcc1
# 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__' O=build_dir ARCH=arm64 SHELL=/bin/bash
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 >>)
lib/locking-selftest.c:298:1: sparse: sparse: context imbalance in 'AA_spin' - wrong count at exit
lib/locking-selftest.c:300:1: sparse: sparse: context imbalance in 'AA_wlock' - wrong count at exit
lib/locking-selftest.c:302:1: sparse: sparse: context imbalance in 'AA_rlock' - wrong count at exit
lib/locking-selftest.c:321:13: sparse: sparse: context imbalance in 'rlock_AA1' - wrong count at exit
lib/locking-selftest.c:327:13: sparse: sparse: context imbalance in 'rlock_AA1B' - wrong count at exit
lib/locking-selftest.c:347:13: sparse: sparse: context imbalance in 'rlock_AA2' - wrong count at exit
lib/locking-selftest.c:359:13: sparse: sparse: context imbalance in 'rlock_AA3' - wrong count at exit
lib/locking-selftest.c:722:1: sparse: sparse: context imbalance in 'double_unlock_spin' - unexpected unlock
lib/locking-selftest.c:724:1: sparse: sparse: context imbalance in 'double_unlock_wlock' - unexpected unlock
lib/locking-selftest.c:726:1: sparse: sparse: context imbalance in 'double_unlock_rlock' - unexpected unlock
lib/locking-selftest.c:753:1: sparse: sparse: context imbalance in 'init_held_spin' - wrong count at exit
lib/locking-selftest.c:755:1: sparse: sparse: context imbalance in 'init_held_wlock' - wrong count at exit
lib/locking-selftest.c:757:1: sparse: sparse: context imbalance in 'init_held_rlock' - wrong count at exit
lib/locking-selftest.c:2456:13: sparse: sparse: context imbalance in 'rcu_exit' - unexpected unlock
lib/locking-selftest.c:2465:13: sparse: sparse: context imbalance in 'rcu_bh_exit' - unexpected unlock
lib/locking-selftest.c:2474:13: sparse: sparse: context imbalance in 'rcu_sched_exit' - unexpected unlock
lib/locking-selftest.c:2493:13: sparse: sparse: context imbalance in 'raw_spinlock_exit' - unexpected unlock
lib/locking-selftest.c:2502:13: sparse: sparse: context imbalance in 'spinlock_exit' - unexpected unlock
lib/locking-selftest.c: note: in included file (through include/linux/thread_info.h, arch/arm64/include/asm/preempt.h, include/linux/preempt.h, ...):
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_NOTTHREADED_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_MUTEX' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_MUTEX' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_MUTEX' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_SPINLOCK' - wrong count at exit
vim +/RCU_in_HARDIRQ +19 arch/arm64/include/asm/current.h
c02433dd6de32f Mark Rutland 2016-11-03 10
9d84fb27fa135c Mark Rutland 2017-01-03 11 /*
9d84fb27fa135c Mark Rutland 2017-01-03 12 * We don't use read_sysreg() as we want the compiler to cache the value where
9d84fb27fa135c Mark Rutland 2017-01-03 13 * possible.
9d84fb27fa135c Mark Rutland 2017-01-03 14 */
c02433dd6de32f Mark Rutland 2016-11-03 15 static __always_inline struct task_struct *get_current(void)
c02433dd6de32f Mark Rutland 2016-11-03 16 {
9d84fb27fa135c Mark Rutland 2017-01-03 17 unsigned long sp_el0;
9d84fb27fa135c Mark Rutland 2017-01-03 18
9d84fb27fa135c Mark Rutland 2017-01-03 @19 asm ("mrs %0, sp_el0" : "=r" (sp_el0));
9d84fb27fa135c Mark Rutland 2017-01-03 20
9d84fb27fa135c Mark Rutland 2017-01-03 21 return (struct task_struct *)sp_el0;
c02433dd6de32f Mark Rutland 2016-11-03 22 }
c02433dd6de32f Mark Rutland 2016-11-03 23
:::::: The code at line 19 was first introduced by commit
:::::: 9d84fb27fa135c99c9fe3de33628774a336a70a8 arm64: restore get_current() optimisation
:::::: TO: Mark Rutland <mark.rutland@arm.com>
:::::: CC: Catalin Marinas <catalin.marinas@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 35179 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread* arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
@ 2021-08-11 3:40 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2021-08-11 3:40 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 9131 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Boqun Feng <boqun.feng@gmail.com>
CC: Peter Zijlstra <peterz@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9e723c5380c6e14fb91a8b6950563d040674afdb
commit: 9271a40d2a1429113160ccc4c16150921600bcc1 lockdep/selftest: Add wait context selftests
date: 7 months ago
:::::: branch date: 11 hours ago
:::::: commit date: 7 months ago
config: arm64-randconfig-s031-20210810 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 10.3.0
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: v0.6.3-348-gf0e6938b-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9271a40d2a1429113160ccc4c16150921600bcc1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 9271a40d2a1429113160ccc4c16150921600bcc1
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash
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 >>)
lib/locking-selftest.c:298:1: sparse: sparse: context imbalance in 'AA_spin' - wrong count at exit
lib/locking-selftest.c:300:1: sparse: sparse: context imbalance in 'AA_wlock' - wrong count at exit
lib/locking-selftest.c:302:1: sparse: sparse: context imbalance in 'AA_rlock' - wrong count at exit
lib/locking-selftest.c:321:13: sparse: sparse: context imbalance in 'rlock_AA1' - wrong count at exit
lib/locking-selftest.c:327:13: sparse: sparse: context imbalance in 'rlock_AA1B' - wrong count at exit
lib/locking-selftest.c:347:13: sparse: sparse: context imbalance in 'rlock_AA2' - wrong count at exit
lib/locking-selftest.c:359:13: sparse: sparse: context imbalance in 'rlock_AA3' - wrong count at exit
lib/locking-selftest.c:722:1: sparse: sparse: context imbalance in 'double_unlock_spin' - unexpected unlock
lib/locking-selftest.c:724:1: sparse: sparse: context imbalance in 'double_unlock_wlock' - unexpected unlock
lib/locking-selftest.c:726:1: sparse: sparse: context imbalance in 'double_unlock_rlock' - unexpected unlock
lib/locking-selftest.c:753:1: sparse: sparse: context imbalance in 'init_held_spin' - wrong count at exit
lib/locking-selftest.c:755:1: sparse: sparse: context imbalance in 'init_held_wlock' - wrong count at exit
lib/locking-selftest.c:757:1: sparse: sparse: context imbalance in 'init_held_rlock' - wrong count at exit
lib/locking-selftest.c:2456:13: sparse: sparse: context imbalance in 'rcu_exit' - unexpected unlock
lib/locking-selftest.c:2465:13: sparse: sparse: context imbalance in 'rcu_bh_exit' - unexpected unlock
lib/locking-selftest.c:2474:13: sparse: sparse: context imbalance in 'rcu_sched_exit' - unexpected unlock
lib/locking-selftest.c:2493:13: sparse: sparse: context imbalance in 'raw_spinlock_exit' - unexpected unlock
lib/locking-selftest.c:2502:13: sparse: sparse: context imbalance in 'spinlock_exit' - unexpected unlock
lib/locking-selftest.c: note: in included file (through include/linux/thread_info.h, arch/arm64/include/asm/preempt.h, include/linux/preempt.h, ...):
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_NOTTHREADED_HARDIRQ' - wrong count at exit
>> arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RCU_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2573:1: sparse: sparse: context imbalance in 'RCU_in_MUTEX' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2574:1: sparse: sparse: context imbalance in 'RAW_SPINLOCK_in_MUTEX' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_NOTTHREADED_HARDIRQ' - wrong count at exit
arch/arm64/include/asm/current.h:19:9: sparse: sparse: context imbalance in 'SPINLOCK_in_SOFTIRQ' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_CALLBACK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2575:1: sparse: sparse: context imbalance in 'SPINLOCK_in_MUTEX' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_BH' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RCU_SCHED' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_RAW_SPINLOCK' - wrong count at exit
lib/locking-selftest.c:2576:1: sparse: sparse: context imbalance in 'MUTEX_in_SPINLOCK' - wrong count at exit
vim +/RCU_in_HARDIRQ +19 arch/arm64/include/asm/current.h
c02433dd6de32f Mark Rutland 2016-11-03 10
9d84fb27fa135c Mark Rutland 2017-01-03 11 /*
9d84fb27fa135c Mark Rutland 2017-01-03 12 * We don't use read_sysreg() as we want the compiler to cache the value where
9d84fb27fa135c Mark Rutland 2017-01-03 13 * possible.
9d84fb27fa135c Mark Rutland 2017-01-03 14 */
c02433dd6de32f Mark Rutland 2016-11-03 15 static __always_inline struct task_struct *get_current(void)
c02433dd6de32f Mark Rutland 2016-11-03 16 {
9d84fb27fa135c Mark Rutland 2017-01-03 17 unsigned long sp_el0;
9d84fb27fa135c Mark Rutland 2017-01-03 18
9d84fb27fa135c Mark Rutland 2017-01-03 @19 asm ("mrs %0, sp_el0" : "=r" (sp_el0));
9d84fb27fa135c Mark Rutland 2017-01-03 20
9d84fb27fa135c Mark Rutland 2017-01-03 21 return (struct task_struct *)sp_el0;
c02433dd6de32f Mark Rutland 2016-11-03 22 }
c02433dd6de32f Mark Rutland 2016-11-03 23
:::::: The code at line 19 was first introduced by commit
:::::: 9d84fb27fa135c99c9fe3de33628774a336a70a8 arm64: restore get_current() optimisation
:::::: TO: Mark Rutland <mark.rutland@arm.com>
:::::: CC: Catalin Marinas <catalin.marinas@arm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 42723 bytes --]
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