Messages in this thread | | | Date | Mon, 8 Aug 2022 16:23:23 +0800 | From | kernel test robot <> | Subject | [intel-tdx:kvm-upstream-workaround 627/846] arch/x86/kvm/mmu/mmu.c:6776:30: error: 'KVM_MEM_ATTR_PRIVATE' undeclared |
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tree: https://github.com/intel/tdx.git kvm-upstream-workaround head: d2f4a2362378fcfa26297befc778815836aecd3b commit: 1293aaf4ce16f80dc4bf9cd943d399183f0d4d7d [627/846] KVM: x86/tdp_mmu: implement MapGPA hypercall for TDX config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220808/202208081628.vWneWyoS-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel/tdx/commit/1293aaf4ce16f80dc4bf9cd943d399183f0d4d7d git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx kvm-upstream-workaround git checkout 1293aaf4ce16f80dc4bf9cd943d399183f0d4d7d # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/x86/kvm/mmu/mmu.c: In function 'mmu_topup_shadow_page_cache': arch/x86/kvm/mmu/mmu.c:696:53: error: incompatible type for argument 1 of 'kvm_mmu_topup_memory_cache' 696 | return kvm_mmu_topup_memory_cache(vcpu->arch.mmu_shadow_page_cache, | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ | | | struct kvm_mmu_memory_cache In file included from arch/x86/kvm/irq.h:15, from arch/x86/kvm/mmu/mmu.c:18: include/linux/kvm_host.h:1369:61: note: expected 'struct kvm_mmu_memory_cache *' but argument is of type 'struct kvm_mmu_memory_cache' 1369 | int kvm_mmu_topup_memory_cache(struct kvm_mmu_memory_cache *mc, int min); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~ arch/x86/kvm/mmu/mmu.c: In function 'kvm_faultin_pfn': arch/x86/kvm/mmu/mmu.c:4234:14: error: implicit declaration of function 'kvm_mem_is_private'; did you mean 'kvm_gpa_private'? [-Werror=implicit-function-declaration] 4234 | (kvm_mem_is_private(vcpu->kvm, fault->gfn) != fault->is_private)) | ^~~~~~~~~~~~~~~~~~ | kvm_gpa_private arch/x86/kvm/mmu/mmu.c: In function 'kvm_mmu_zap_collapsible_spte': arch/x86/kvm/mmu/mmu.c:6604:19: warning: variable 'pfn' set but not used [-Wunused-but-set-variable] 6604 | kvm_pfn_t pfn; | ^~~ arch/x86/kvm/mmu/mmu.c: In function 'kvm_mmu_map_gpa': >> arch/x86/kvm/mmu/mmu.c:6776:30: error: 'KVM_MEM_ATTR_PRIVATE' undeclared (first use in this function) 6776 | attr = map_private ? KVM_MEM_ATTR_PRIVATE : KVM_MEM_ATTR_SHARED; | ^~~~~~~~~~~~~~~~~~~~ arch/x86/kvm/mmu/mmu.c:6776:30: note: each undeclared identifier is reported only once for each function it appears in >> arch/x86/kvm/mmu/mmu.c:6776:53: error: 'KVM_MEM_ATTR_SHARED' undeclared (first use in this function) 6776 | attr = map_private ? KVM_MEM_ATTR_PRIVATE : KVM_MEM_ATTR_SHARED; | ^~~~~~~~~~~~~~~~~~~ >> arch/x86/kvm/mmu/mmu.c:6784:15: error: implicit declaration of function 'kvm_vm_reserve_mem_attr' [-Werror=implicit-function-declaration] 6784 | ret = kvm_vm_reserve_mem_attr(kvm, start, end); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/bug.h:87, from include/linux/bug.h:5, from include/linux/cpumask.h:14, from include/linux/mm_types_task.h:14, from include/linux/mm_types.h:5, from arch/x86/kvm/irq.h:13, from arch/x86/kvm/mmu/mmu.c:18: >> arch/x86/kvm/mmu/mmu.c:6794:33: error: implicit declaration of function 'kvm_vm_set_mem_attr' [-Werror=implicit-function-declaration] 6794 | WARN_ON(kvm_vm_set_mem_attr(kvm, attr, start, end)); | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:122:32: note: in definition of macro 'WARN_ON' 122 | int __ret_warn_on = !!(condition); \ | ^~~~~~~~~ arch/x86/kvm/mmu/mmu.c: In function 'mmu_topup_shadow_page_cache': arch/x86/kvm/mmu/mmu.c:698:1: error: control reaches end of non-void function [-Werror=return-type] 698 | } | ^ cc1: some warnings being treated as errors
vim +/KVM_MEM_ATTR_PRIVATE +6776 arch/x86/kvm/mmu/mmu.c
6763 6764 int kvm_mmu_map_gpa(struct kvm_vcpu *vcpu, gfn_t *startp, gfn_t end, 6765 bool map_private) 6766 { 6767 struct kvm *kvm = vcpu->kvm; 6768 gfn_t start = *startp; 6769 int attr; 6770 int ret; 6771 6772 6773 if (!kvm_gfn_shared_mask(kvm)) 6774 return -EOPNOTSUPP; 6775 > 6776 attr = map_private ? KVM_MEM_ATTR_PRIVATE : KVM_MEM_ATTR_SHARED; 6777 start = start & ~kvm_gfn_shared_mask(kvm); 6778 end = end & ~kvm_gfn_shared_mask(kvm); 6779 6780 /* 6781 * To make the following kvm_vm_set_mem_attr() success within spinlock 6782 * without memory allocation. 6783 */ > 6784 ret = kvm_vm_reserve_mem_attr(kvm, start, end); 6785 if (ret) 6786 return ret; 6787 6788 write_lock(&kvm->mmu_lock); 6789 if (is_tdp_mmu_enabled(kvm)) { 6790 gfn_t s = start; 6791 6792 ret = kvm_tdp_mmu_map_gpa(vcpu, &s, end, map_private); 6793 if (!ret) { > 6794 WARN_ON(kvm_vm_set_mem_attr(kvm, attr, start, end)); 6795 } else if (ret == -EAGAIN) { 6796 WARN_ON(kvm_vm_set_mem_attr(kvm, attr, start, s)); 6797 start = s; 6798 } 6799 } else { 6800 ret = -EOPNOTSUPP; 6801 } 6802 write_unlock(&kvm->mmu_lock); 6803 6804 if (ret == -EAGAIN) { 6805 if (map_private) 6806 *startp = kvm_gfn_private(kvm, start); 6807 else 6808 *startp = kvm_gfn_shared(kvm, start); 6809 } 6810 return ret; 6811 } 6812 EXPORT_SYMBOL_GPL(kvm_mmu_map_gpa); 6813
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