[android-common:android13-5.10 3721/12147] arch/x86/include/asm/paravirt.h:663:9: sparse: sparse: context imbalance in 'pte_spinlock' - different lock contexts for basic block

[kernel test robot <lkp@intel.com>]

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CC: kbuild-all(a)lists.01.org
TO: cros-kernel-buildreports(a)googlegroups.com

tree:   https://android.googlesource.com/kernel/common android13-5.10
head:   f932f5456f2ff2a443e2549d801d5bde98c11d2a
commit: 08c1a30975dd9294db1ae704ee9fb09cfb3fe5ab [3721/12147] FROMLIST: x86/mm: define ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
:::::: branch date: 16 hours ago
:::::: commit date: 6 months ago
config: x86_64-randconfig-s032-20210720 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android13-5.10
        git checkout 08c1a30975dd9294db1ae704ee9fb09cfb3fe5ab
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 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 >>)
   mm/memory.c:4929:9: 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:4861:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4861:24: sparse:     expected int
   mm/memory.c:4861:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4868:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4868:24: sparse:     expected int
   mm/memory.c:4868:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4878:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4878:24: sparse:     expected int
   mm/memory.c:4878:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4888:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4888:24: sparse:     expected int
   mm/memory.c:4888:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4897:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4897:24: sparse:     expected int
   mm/memory.c:4897:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4907:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4907:24: sparse:     expected int
   mm/memory.c:4907:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4913:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4913:24: sparse:     expected int
   mm/memory.c:4913:24: sparse:     got restricted vm_fault_t
   mm/memory.c:4942:32: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:4942:32: sparse:     expected int
   mm/memory.c:4942:32: sparse:     got restricted vm_fault_t
   mm/memory.c:5017:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:5017:24: sparse:     expected int
   mm/memory.c:5017:24: sparse:     got restricted vm_fault_t
   mm/memory.c:5021:13: sparse: sparse: incorrect type in assignment (different base types) @@     expected int ret @@     got restricted vm_fault_t @@
   mm/memory.c:5021:13: sparse:     expected int ret
   mm/memory.c:5021:13: sparse:     got restricted vm_fault_t
   mm/memory.c:5027:20: sparse: sparse: restricted vm_fault_t degrades to integer
   mm/memory.c:5039:51: sparse: sparse: restricted vm_fault_t degrades to integer
   mm/memory.c:5046:16: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:5046:16: sparse:     expected int
   mm/memory.c:5046:16: sparse:     got restricted vm_fault_t
   mm/memory.c:5056:16: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted vm_fault_t @@
   mm/memory.c:5056:16: sparse:     expected int
   mm/memory.c:5056:16: sparse:     got restricted vm_fault_t
   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/x86/include/asm/msr.h, arch/x86/include/asm/processor.h, arch/x86/include/asm/cpufeature.h, ...):
>> arch/x86/include/asm/paravirt.h:663:9: sparse: sparse: context imbalance in 'pte_spinlock' - different lock contexts for basic block
   arch/x86/include/asm/paravirt.h:663:9: 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:3670:9: sparse: sparse: context imbalance in 'do_swap_page' - unexpected unlock
   mm/memory.c:3799:9: sparse: sparse: context imbalance in 'do_anonymous_page' - unexpected unlock
   mm/memory.c:4104:17: sparse: sparse: context imbalance in 'finish_fault' - unexpected unlock
   mm/memory.c:4213:9: sparse: sparse: context imbalance in 'do_fault_around' - unexpected unlock
   mm/memory.c:4416:17: sparse: sparse: context imbalance in 'do_numa_page' - unexpected unlock
   mm/memory.c:4660:9: sparse: sparse: context imbalance in 'handle_pte_fault' - unexpected unlock
   mm/memory.c:5204:12: sparse: sparse: context imbalance in '__follow_pte_pmd' - different lock contexts for basic block
   mm/memory.c:5290:16: sparse: sparse: context imbalance in 'follow_pte_pmd' - different lock contexts for basic block
   mm/memory.c:5350:9: sparse: sparse: context imbalance in 'follow_phys' - unexpected unlock

vim +/pte_spinlock +663 arch/x86/include/asm/paravirt.h

139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  660  
b5908548537ccd arch/x86/include/asm/paravirt.h Steven Rostedt 2010-11-10  661  static inline notrace void arch_local_irq_enable(void)
139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  662  {
5c83511bdb9832 arch/x86/include/asm/paravirt.h Juergen Gross  2018-08-28 @663  	PVOP_VCALLEE0(irq.irq_enable);
139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  664  }
139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  665  

:::::: The code at line 663 was first introduced by commit
:::::: 5c83511bdb9832c86be20fb86b783356e2f58062 x86/paravirt: Use a single ops structure

:::::: TO: Juergen Gross <jgross@suse.com>
:::::: 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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