[android-common:android15-6.6 1/1] drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c:54:5: sparse: sparse: symbol 'kvm_arm_io_pgtable_init' was not declared. Should it be static?

[android-common:android15-6.6 1/1] drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c:54:5: sparse: sparse: symbol 'kvm_arm_io_pgtable_init' was not declared. Should it be static?

[kernel test robot]

Hi Mostafa,

First bad commit (maybe != root cause):

tree:   https://android.googlesource.com/kernel/common android15-6.6
head:   485f58484dd83e1f0ab5a620a88a0120bf605cdd
commit: 09de45521bacc85848722d3b15c846e584e51846 [1/1] ANDROID: KVM: arm64: Fix build issue without CONFIG_ARM64_LSE_ATOMICS
config: arm64-randconfig-r113-20240716 (https://download.01.org/0day-ci/archive/20240719/202407190840.0Hdo1DDB-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e)
reproduce: (https://download.01.org/0day-ci/archive/20240719/202407190840.0Hdo1DDB-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407190840.0Hdo1DDB-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c:54:5: sparse: sparse: symbol 'kvm_arm_io_pgtable_init' was not declared. Should it be static?
--
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:198:25: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] @@     got restricted __le64 [usertype] @@
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:198:25: sparse:     expected unsigned long long [usertype]
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:198:25: sparse:     got restricted __le64 [usertype]
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:690:20: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void [noderef] __iomem *base @@     got void * @@
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:690:20: sparse:     expected void [noderef] __iomem *base
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:690:20: sparse:     got void *
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:741:5: sparse: sparse: symbol 'smmu_domain_config_s2' was not declared. Should it be static?
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:787:15: sparse: sparse: cast to restricted __le64
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:823:21: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] @@     got restricted __le64 [usertype] @@
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:823:21: sparse:     expected unsigned long long [usertype]
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:823:21: sparse:     got restricted __le64 [usertype]
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:825:21: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] @@     got restricted __le64 [usertype] @@
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:825:21: sparse:     expected unsigned long long [usertype]
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:825:21: sparse:     got restricted __le64 [usertype]
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:840:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long volatile @@     got restricted __le64 [usertype] @@
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:840:9: sparse:     expected unsigned long long volatile
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:840:9: sparse:     got restricted __le64 [usertype]
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:773:5: sparse: sparse: symbol 'smmu_domain_config_s1' was not declared. Should it be static?
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:847:5: sparse: sparse: symbol 'smmu_domain_finalise' was not declared. Should it be static?
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:918:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] @@     got restricted __le64 [usertype] @@
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:918:24: sparse:     expected unsigned long long [usertype]
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:918:24: sparse:     got restricted __le64 [usertype]
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:924:9: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long volatile @@     got restricted __le64 [usertype] @@
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:924:9: sparse:     expected unsigned long long volatile
   drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:924:9: sparse:     got restricted __le64 [usertype]
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:994:5: sparse: sparse: symbol 'smmu_alloc_domain' was not declared. Should it be static?
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:1011:6: sparse: sparse: symbol 'smmu_free_domain' was not declared. Should it be static?
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:1023:6: sparse: sparse: symbol 'smmu_dabt_device' was not declared. Should it be static?
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:1066:6: sparse: sparse: symbol 'smmu_dabt_handler' was not declared. Should it be static?
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:1078:5: sparse: sparse: symbol 'smmu_suspend' was not declared. Should it be static?
>> drivers/iommu/arm/arm-smmu-v3/pkvm/arm-smmu-v3.c:1091:5: sparse: sparse: symbol 'smmu_resume' was not declared. Should it be static?

vim +/kvm_arm_io_pgtable_init +54 drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c

cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  53  
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23 @54  int kvm_arm_io_pgtable_init(struct io_pgtable_cfg *cfg,
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  55  			    struct arm_lpae_io_pgtable *data)
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  56  {
27175bfef08dd78 drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c Mostafa Saleh         2023-08-12  57  	int ret = -EINVAL;
27175bfef08dd78 drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c Mostafa Saleh         2023-08-12  58  
27175bfef08dd78 drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c Mostafa Saleh         2023-08-12  59  	if (cfg->fmt == ARM_64_LPAE_S2)
27175bfef08dd78 drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c Mostafa Saleh         2023-08-12  60  		ret = arm_lpae_init_pgtable_s2(cfg, data);
27175bfef08dd78 drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c Mostafa Saleh         2023-08-12  61  	else if (cfg->fmt == ARM_64_LPAE_S1)
27175bfef08dd78 drivers/iommu/arm/arm-smmu-v3/pkvm/io-pgtable-arm.c Mostafa Saleh         2023-08-12  62  		ret = arm_lpae_init_pgtable_s1(cfg, data);
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  63  
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  64  	if (ret)
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  65  		return ret;
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  66  
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  67  	data->iop.cfg = *cfg;
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  68  	data->iop.fmt	= cfg->fmt;
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  69  
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  70  	return 0;
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  71  }
cc07183cc836e2c arch/arm64/kvm/hyp/nvhe/iommu/io-pgtable-arm.c      Jean-Philippe Brucker 2022-11-23  72  

:::::: The code at line 54 was first introduced by commit
:::::: cc07183cc836e2c8e29a55ae6e8e2aa431d59170 BACKPORT: FROMLIST: KVM: arm64: smmu-v3: Support io-pgtable

:::::: TO: Jean-Philippe Brucker <jean-philippe@linaro.org>
:::::: CC: Mostafa Saleh <smostafa@google.com>

-- 
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https://github.com/intel/lkp-tests/wiki