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SubjectRe: [PATCH 3/3] LoongArch: Add stacktrace support
Hi Qing,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.19 next-20220728]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Qing-Zhang/LoongArch-Add-guess-unwinder-support/20220728-220739
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 6e7765cb477a9753670d4351d14de93f1e9dbbd4
config: loongarch-randconfig-s043-20220801 (https://download.01.org/0day-ci/archive/20220803/202208030339.bOMzIpUt-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://github.com/intel-lab-lkp/linux/commit/32ef6acf6f5ecfadda21be77cbebb07b1c69e56a
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Qing-Zhang/LoongArch-Add-guess-unwinder-support/20220728-220739
git checkout 32ef6acf6f5ecfadda21be77cbebb07b1c69e56a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash kernel/locking/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

sparse warnings: (new ones prefixed by >>)
kernel/locking/lockdep.c:110:1: sparse: sparse: symbol '__pcpu_scope_lockdep_recursion' was not declared. Should it be static?
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *
>> kernel/locking/lockdep.c:118:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@
kernel/locking/lockdep.c:118:13: sparse: expected void *ptr
kernel/locking/lockdep.c:118:13: sparse: got unsigned int [noderef] __percpu *

vim +118 kernel/locking/lockdep.c

4d004099a668c4 Peter Zijlstra 2020-10-02 112
0afda3a888dccf Peter Zijlstra 2021-01-06 113 static __always_inline bool lockdep_enabled(void)
4d004099a668c4 Peter Zijlstra 2020-10-02 114 {
4d004099a668c4 Peter Zijlstra 2020-10-02 115 if (!debug_locks)
4d004099a668c4 Peter Zijlstra 2020-10-02 116 return false;
4d004099a668c4 Peter Zijlstra 2020-10-02 117
d48e3850030623 Peter Zijlstra 2020-10-26 @118 if (this_cpu_read(lockdep_recursion))
4d004099a668c4 Peter Zijlstra 2020-10-02 119 return false;
4d004099a668c4 Peter Zijlstra 2020-10-02 120
4d004099a668c4 Peter Zijlstra 2020-10-02 121 if (current->lockdep_recursion)
4d004099a668c4 Peter Zijlstra 2020-10-02 122 return false;
4d004099a668c4 Peter Zijlstra 2020-10-02 123
4d004099a668c4 Peter Zijlstra 2020-10-02 124 return true;
4d004099a668c4 Peter Zijlstra 2020-10-02 125 }
4d004099a668c4 Peter Zijlstra 2020-10-02 126

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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