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* [arm-integrator:kernel-in-vmalloc-v5.18-rc1 31/34] arch/x86/xen/enlighten_pv.c:456:27: sparse: sparse: incorrect type in argument 1 (different base types)
@ 2022-06-05  7:26 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-06-05  7:26 UTC (permalink / raw)
  To: Linus Walleij; +Cc: kbuild-all, linux-kernel

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.18-rc1
head:   1aafd4ba7b78b4ac0013a48a35252654852cb7ab
commit: 43bd244c8a76e91d6f02c0fc3212069609bd9645 [31/34] x86/xen: Make virt_to_pfn() a static inline
config: x86_64-randconfig-s021 (https://download.01.org/0day-ci/archive/20220605/202206051518.CDqaUSMi-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-18-g56afb504-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=43bd244c8a76e91d6f02c0fc3212069609bd9645
        git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
        git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.18-rc1
        git checkout 43bd244c8a76e91d6f02c0fc3212069609bd9645
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/xen/

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 >>)
>> arch/x86/xen/enlighten_pv.c:456:27: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long va @@
   arch/x86/xen/enlighten_pv.c:456:27: sparse:     expected void const *v
   arch/x86/xen/enlighten_pv.c:456:27: sparse:     got unsigned long va
--
>> arch/x86/xen/setup.c:341:20: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long buf @@
   arch/x86/xen/setup.c:341:20: sparse:     expected void const *v
   arch/x86/xen/setup.c:341:20: sparse:     got unsigned long buf
   arch/x86/xen/setup.c:504:20: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long buf @@
   arch/x86/xen/setup.c:504:20: sparse:     expected void const *v
   arch/x86/xen/setup.c:504:20: sparse:     got unsigned long buf
--
>> arch/x86/xen/mmu_pv.c:2196:40: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long vaddr @@
   arch/x86/xen/mmu_pv.c:2196:40: sparse:     expected void const *v
   arch/x86/xen/mmu_pv.c:2196:40: sparse:     got unsigned long vaddr
   arch/x86/xen/mmu_pv.c:2199:51: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long vaddr @@
   arch/x86/xen/mmu_pv.c:2199:51: sparse:     expected void const *v
   arch/x86/xen/mmu_pv.c:2199:51: sparse:     got unsigned long vaddr
   arch/x86/xen/mmu_pv.c:2202:53: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long vaddr @@
   arch/x86/xen/mmu_pv.c:2202:53: sparse:     expected void const *v
   arch/x86/xen/mmu_pv.c:2202:53: sparse:     got unsigned long vaddr
   arch/x86/xen/mmu_pv.c:2244:49: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long vaddr @@
   arch/x86/xen/mmu_pv.c:2244:49: sparse:     expected void const *v
   arch/x86/xen/mmu_pv.c:2244:49: sparse:     got unsigned long vaddr
>> arch/x86/xen/mmu_pv.c:2321:33: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long vstart @@
   arch/x86/xen/mmu_pv.c:2321:33: sparse:     expected void const *v
   arch/x86/xen/mmu_pv.c:2321:33: sparse:     got unsigned long vstart
>> arch/x86/xen/mmu_pv.c:2354:20: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected void const *v @@     got unsigned long [assigned] vstart @@
   arch/x86/xen/mmu_pv.c:2354:20: sparse:     expected void const *v
   arch/x86/xen/mmu_pv.c:2354:20: sparse:     got unsigned long [assigned] vstart
   arch/x86/xen/mmu_pv.c:648:19: sparse: sparse: context imbalance in 'xen_pte_lock' - wrong count at exit
   arch/x86/xen/mmu_pv.c:660:13: sparse: sparse: context imbalance in 'xen_pte_unlock' - unexpected unlock

vim +456 arch/x86/xen/enlighten_pv.c

e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  441  
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  442  /*
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  443   * load_gdt for early boot, when the gdt is only mapped once
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  444   */
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  445  static void __init xen_load_gdt_boot(const struct desc_ptr *dtr)
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  446  {
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  447  	unsigned long va = dtr->address;
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  448  	unsigned int size = dtr->size + 1;
eb0b4aa89cf21b Laura Abbott     2018-04-18  449  	unsigned long pfn, mfn;
eb0b4aa89cf21b Laura Abbott     2018-04-18  450  	pte_t pte;
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  451  
eb0b4aa89cf21b Laura Abbott     2018-04-18  452  	/* @size should be at most GDT_SIZE which is smaller than PAGE_SIZE. */
eb0b4aa89cf21b Laura Abbott     2018-04-18  453  	BUG_ON(size > PAGE_SIZE);
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  454  	BUG_ON(va & ~PAGE_MASK);
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  455  
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14 @456  	pfn = virt_to_pfn(va);
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  457  	mfn = pfn_to_mfn(pfn);
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  458  
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  459  	pte = pfn_pte(pfn, PAGE_KERNEL_RO);
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  460  
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  461  	if (HYPERVISOR_update_va_mapping((unsigned long)va, pte, 0))
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  462  		BUG();
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  463  
eb0b4aa89cf21b Laura Abbott     2018-04-18  464  	if (HYPERVISOR_set_gdt(&mfn, size / sizeof(struct desc_struct)))
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  465  		BUG();
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  466  }
e1dab14cf68d1e Vitaly Kuznetsov 2017-03-14  467  

:::::: The code at line 456 was first introduced by commit
:::::: e1dab14cf68d1e03950135969af3faf322f0db04 x86/xen: split off enlighten_pv.c

:::::: TO: Vitaly Kuznetsov <vkuznets@redhat.com>
:::::: CC: Juergen Gross <jgross@suse.com>

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

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2022-06-05  7:26 [arm-integrator:kernel-in-vmalloc-v5.18-rc1 31/34] arch/x86/xen/enlighten_pv.c:456:27: sparse: sparse: incorrect type in argument 1 (different base types) kernel test robot

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