diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 2b506904be02..4906e480b5bb 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -889,6 +889,11 @@ static int has_svm(void) return 0; } + if (sev_active()) { + pr_info("KVM is unsupported when running as an SEV guest\n"); + return 0; + } + return 1; } diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c index 9268c12458c8..dfa01bcdc369 100644 --- a/arch/x86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -375,6 +375,7 @@ bool force_dma_unencrypted(struct device *dev) return false; } +EXPORT_SYMBOL_GPL(sev_active); /* Architecture __weak replacement functions */ void __init mem_encrypt_free_decrypted_mem(void)