@@ -13862,6 +13862,11 @@ int kvm_sev_es_string_io(struct kvm_vcpu *vcpu, unsigned int size,
}
EXPORT_SYMBOL_GPL(kvm_sev_es_string_io);
+bool kvm_arch_dirty_log_supported(struct kvm *kvm)
+{
+ return kvm->arch.vm_type != KVM_X86_TDX_VM;
+}
+
bool kvm_arch_has_private_mem(struct kvm *kvm)
{
return kvm->arch.vm_type == KVM_X86_TDX_VM;
@@ -1477,6 +1477,7 @@ int kvm_arch_drop_vm(int usage_count);
void kvm_arch_pre_destroy_vm(struct kvm *kvm);
int kvm_arch_create_vm_debugfs(struct kvm *kvm);
bool kvm_arch_has_private_mem(struct kvm *kvm);
+bool kvm_arch_dirty_log_supported(struct kvm *kvm);
#ifndef __KVM_HAVE_ARCH_VM_ALLOC
/*
@@ -1869,10 +1869,18 @@ bool __weak kvm_arch_has_private_mem(struct kvm *kvm)
return false;
}
+bool __weak kvm_arch_dirty_log_supported(struct kvm *kvm)
+{
+ return true;
+}
+
static int check_memory_region_flags(struct kvm *kvm,
const struct kvm_user_mem_region *mem)
{
- u32 valid_flags = KVM_MEM_LOG_DIRTY_PAGES;
+ u32 valid_flags = 0;
+
+ if (kvm_arch_dirty_log_supported(kvm))
+ valid_flags |= KVM_MEM_LOG_DIRTY_PAGES;
#ifdef CONFIG_KVM_GENERIC_PRIVATE_MEM
if (kvm_arch_has_private_mem(kvm))