[android-common:android13-5.15-2025-09 1/1] arch/arm64/kvm/arm.c:2011:39: error: 'smccc_trng_available' undeclared; did you mean 'irq_matrix_available'?

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

Hi Will,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android13-5.15-2025-09
head:   26cff64a72af579da237b2efc799ab7b6145e411
commit: 888643ea37b504cb32afdd6430698d1e92a79a71 [1/1] ANDROID: KVM: arm64: relay entropy requests from protected guests directly to secure
config: arm64-randconfig-001-20260404 (https://download.01.org/0day-ci/archive/20260404/202604040748.oMbWdRUQ-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260404/202604040748.oMbWdRUQ-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/202604040748.oMbWdRUQ-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/arm64/kvm/arm.c: In function 'kvm_hyp_init_protection':
>> arch/arm64/kvm/arm.c:2011:39: error: 'smccc_trng_available' undeclared (first use in this function); did you mean 'irq_matrix_available'?
     kvm_nvhe_sym(smccc_trng_available) = smccc_trng_available;
                                          ^~~~~~~~~~~~~~~~~~~~
                                          irq_matrix_available
   arch/arm64/kvm/arm.c:2011:39: note: each undeclared identifier is reported only once for each function it appears in

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for USB_PHY
   Depends on [n]: USB_SUPPORT [=n]
   Selected by [y]:
   - GKI_HIDDEN_USB_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for PHYLINK
   Depends on [n]: NETDEVICES [=n]
   Selected by [y]:
   - GKI_HIDDEN_ETHERNET_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for WIRELESS_EXT
   Depends on [n]: NET [=y] && WIRELESS [=n]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for WEXT_CORE
   Depends on [n]: NET [=y] && WIRELESS [=n] && (CFG80211_WEXT [=n] || WIRELESS_EXT [=y])
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for IOMMU_IO_PGTABLE_LPAE
   Depends on [n]: IOMMU_SUPPORT [=n] && (ARM || ARM64 [=y] || COMPILE_TEST [=y] && !GENERIC_ATOMIC64 [=n])
   Selected by [y]:
   - GKI_HIDDEN_QCOM_CONFIGS [=y] && ARCH_QCOM [=y]
   WARNING: unmet direct dependencies detected for HVC_DRIVER
   Depends on [n]: TTY [=n]
   Selected by [y]:
   - GKI_HIDDEN_VIRTUAL_CONFIGS [=y]
   WARNING: unmet direct dependencies detected for WEXT_PROC
   Depends on [n]: NET [=y] && WIRELESS [=n] && PROC_FS [=n] && WEXT_CORE [=y]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for WEXT_PRIV
   Depends on [n]: NET [=y] && WIRELESS [=n]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]
   WARNING: unmet direct dependencies detected for WEXT_SPY
   Depends on [n]: NET [=y] && WIRELESS [=n]
   Selected by [y]:
   - GKI_LEGACY_WEXT_ALLCONFIG [=y]


vim +2011 arch/arm64/kvm/arm.c

  1997	
  1998	static int kvm_hyp_init_protection(u32 hyp_va_bits)
  1999	{
  2000		void *addr = phys_to_virt(hyp_mem_base);
  2001		int ret;
  2002	
  2003		kvm_nvhe_sym(id_aa64pfr0_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
  2004		kvm_nvhe_sym(id_aa64pfr1_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64PFR1_EL1);
  2005		kvm_nvhe_sym(id_aa64isar0_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64ISAR0_EL1);
  2006		kvm_nvhe_sym(id_aa64isar1_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64ISAR1_EL1);
  2007		kvm_nvhe_sym(id_aa64mmfr0_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
  2008		kvm_nvhe_sym(id_aa64mmfr1_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
  2009		kvm_nvhe_sym(id_aa64mmfr2_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR2_EL1);
  2010		kvm_nvhe_sym(__icache_flags) = __icache_flags;
> 2011		kvm_nvhe_sym(smccc_trng_available) = smccc_trng_available;
  2012	
  2013		ret = create_hyp_mappings(addr, addr + hyp_mem_size, PAGE_HYP);
  2014		if (ret)
  2015			return ret;
  2016	
  2017		ret = init_stage2_iommu();
  2018		if (ret < 0)
  2019			return ret;
  2020	
  2021		ret = do_pkvm_init(hyp_va_bits, (enum kvm_iommu_driver)ret);
  2022		if (ret)
  2023			return ret;
  2024	
  2025		free_hyp_pgds();
  2026	
  2027		return 0;
  2028	}
  2029	

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