CC: [email protected]
TO: [email protected]

tree:   https://android.googlesource.com/kernel/common android12-5.10
head:   eac2a38bd6cd6382823245249f3071354da9daa7
commit: 2946798ed0905de19cafc23279242917066d3c49 [3709/4251] FROMLIST: 
arm64/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
:::::: branch date: 4 hours ago
:::::: commit date: 13 days ago
config: arm64-randconfig-s031-20210203 (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: v0.6.3-215-g0fb77bb6-dirty
        git remote add android-common 
https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android12-5.10
        git checkout 2946798ed0905de19cafc23279242917066d3c49
        # 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 <[email protected]>


"sparse warnings: (new ones prefixed by >>)"
   mm/memory.c:4918:9: sparse: sparse: mixing declarations and code
   mm/memory.c:3009:19: sparse: sparse: incorrect type in initializer 
(different base types) @@     expected int ret @@     got restricted vm_fault_t 
@@
   mm/memory.c:3009:19: sparse:     expected int ret
   mm/memory.c:3009:19: sparse:     got restricted vm_fault_t
   mm/memory.c:3054:21: sparse: sparse: incorrect type in assignment (different 
base types) @@     expected int ret @@     got restricted vm_fault_t @@
   mm/memory.c:3054:21: sparse:     expected int ret
   mm/memory.c:3054:21: sparse:     got restricted vm_fault_t
   mm/memory.c:3148:16: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected restricted vm_fault_t @@     got int ret 
@@
   mm/memory.c:3148:16: sparse:     expected restricted vm_fault_t
   mm/memory.c:3148:16: sparse:     got int ret
   mm/memory.c:3440:13: sparse: sparse: incorrect type in assignment (different 
base types) @@     expected restricted vm_fault_t [usertype] ret @@     got int 
@@
   mm/memory.c:3440:13: sparse:     expected restricted vm_fault_t [usertype] 
ret
   mm/memory.c:3440:13: sparse:     got int
   mm/memory.c:4850:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4850:24: sparse:     expected int
   mm/memory.c:4850:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4857:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4857:24: sparse:     expected int
   mm/memory.c:4857:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4867:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4867:24: sparse:     expected int
   mm/memory.c:4867:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4877:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4877:24: sparse:     expected int
   mm/memory.c:4877:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4886:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4886:24: sparse:     expected int
   mm/memory.c:4886:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4896:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4896:24: sparse:     expected int
   mm/memory.c:4896:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4902:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4902:24: sparse:     expected int
   mm/memory.c:4902:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4931:32: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4931:32: sparse:     expected int
   mm/memory.c:4931:32: sparse:     got restricted vm_fault_t
   mm/memory.c:5006:24: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:5006:24: sparse:     expected int
   mm/memory.c:5006:24: sparse:     got restricted vm_fault_t
   mm/memory.c:5010:13: sparse: sparse: incorrect type in assignment (different 
base types) @@     expected int ret @@     got restricted vm_fault_t @@
   mm/memory.c:5010:13: sparse:     expected int ret
   mm/memory.c:5010:13: sparse:     got restricted vm_fault_t
   mm/memory.c:5016:20: sparse: sparse: restricted vm_fault_t degrades to 
integer
   mm/memory.c:5028:51: sparse: sparse: restricted vm_fault_t degrades to 
integer
   mm/memory.c:5035:16: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:5035:16: sparse:     expected int
   mm/memory.c:5035:16: sparse:     got restricted vm_fault_t
   mm/memory.c:5045:16: sparse: sparse: incorrect type in return expression 
(different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:5045:16: sparse:     expected int
   mm/memory.c:5045:16: sparse:     got restricted vm_fault_t
   mm/memory.c:5680:22: sparse: sparse: cast removes address space '__user' of 
expression
   mm/memory.c:969:17: sparse: sparse: context imbalance in 'copy_pte_range' - 
different lock contexts for basic block
   mm/memory.c:1651:16: sparse: sparse: context imbalance in '__get_locked_pte' 
- different lock contexts for basic block
   mm/memory.c:1700:9: sparse: sparse: context imbalance in 'insert_page' - 
different lock contexts for basic block
   mm/memory.c:2203:17: sparse: sparse: context imbalance in 'remap_pte_range' 
- different lock contexts for basic block
   mm/memory.c:2448:17: sparse: sparse: context imbalance in 
'apply_to_pte_range' - unexpected unlock
   mm/memory.c: note: in included file (through 
arch/arm64/include/asm/ptrace.h, arch/arm64/include/asm/irqflags.h, 
include/linux/irqflags.h, ...):
>> arch/arm64/include/asm/cpufeature.h:717:35: sparse: sparse: context 
>> imbalance in 'pte_spinlock' - different lock contexts for basic block
>> arch/arm64/include/asm/cpufeature.h:717:35: sparse: sparse: context 
>> imbalance in 'pte_map_lock' - different lock contexts for basic block
   mm/memory.c:3123:9: sparse: sparse: context imbalance in 'wp_page_copy' - 
unexpected unlock
   mm/memory.c: note: in included file:
   include/linux/mm.h:1002:9: sparse: sparse: context imbalance in 
'finish_mkwrite_fault' - unexpected unlock
   mm/memory.c:3196:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - 
unexpected unlock
   mm/memory.c:3259:19: sparse: sparse: context imbalance in 'do_wp_page' - 
different lock contexts for basic block
   mm/memory.c:3659:9: sparse: sparse: context imbalance in 'do_swap_page' - 
unexpected unlock
   mm/memory.c:3788:9: sparse: sparse: context imbalance in 'do_anonymous_page' 
- unexpected unlock
   mm/memory.c:4093:17: sparse: sparse: context imbalance in 'finish_fault' - 
unexpected unlock
   mm/memory.c:4202:9: sparse: sparse: context imbalance in 'do_fault_around' - 
unexpected unlock
   mm/memory.c:4405:17: sparse: sparse: context imbalance in 'do_numa_page' - 
unexpected unlock
   mm/memory.c:4649:9: sparse: sparse: context imbalance in 'handle_pte_fault' 
- unexpected unlock
   mm/memory.c:5193:12: sparse: sparse: context imbalance in '__follow_pte_pmd' 
- wrong count at exit
   mm/memory.c:5279:16: sparse: sparse: context imbalance in 'follow_pte_pmd' - 
different lock contexts for basic block

vim +/pte_spinlock +717 arch/arm64/include/asm/cpufeature.h

6984eb47d5c1a7 Mark Rutland     2018-12-07  713  
7733306bd593c7 Alexandru Elisei 2020-06-18  714  static __always_inline bool 
system_uses_irq_prio_masking(void)
b90d2b22afdc7c Julien Thierry   2019-01-31  715  {
b90d2b22afdc7c Julien Thierry   2019-01-31  716         return 
IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) &&
b90d2b22afdc7c Julien Thierry   2019-01-31 @717                
cpus_have_const_cap(ARM64_HAS_IRQ_PRIO_MASKING);
b90d2b22afdc7c Julien Thierry   2019-01-31  718  }
b90d2b22afdc7c Julien Thierry   2019-01-31  719  

:::::: The code at line 717 was first introduced by commit
:::::: b90d2b22afdc7ce150a9ee7a8d82378bcfc395a5 arm64: cpufeature: Add 
cpufeature for IRQ priority masking

:::::: TO: Julien Thierry <[email protected]>
:::::: CC: Catalin Marinas <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

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