diff options
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/svm/sev.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index a6041000ed9c..bb514d5421d9 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -44,6 +44,7 @@ #define MISC_CG_RES_SEV_ES MISC_CG_RES_TYPES #endif +#ifdef CONFIG_KVM_AMD_SEV /* enable/disable SEV support */ static bool sev_enabled = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT); module_param_named(sev, sev_enabled, bool, 0444); @@ -51,6 +52,10 @@ module_param_named(sev, sev_enabled, bool, 0444); /* enable/disable SEV-ES support */ static bool sev_es_enabled = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT); module_param_named(sev_es, sev_es_enabled, bool, 0444); +#else +#define sev_enabled false +#define sev_es_enabled false +#endif /* CONFIG_KVM_AMD_SEV */ static u8 sev_enc_bit; static int sev_flush_asids(void); @@ -1817,11 +1822,12 @@ void __init sev_set_cpu_caps(void) void __init sev_hardware_setup(void) { +#ifdef CONFIG_KVM_AMD_SEV unsigned int eax, ebx, ecx, edx, sev_asid_count, sev_es_asid_count; bool sev_es_supported = false; bool sev_supported = false; - if (!IS_ENABLED(CONFIG_KVM_AMD_SEV) || !sev_enabled || !npt_enabled) + if (!sev_enabled || !npt_enabled) goto out; /* Does the CPU support SEV? */ @@ -1885,6 +1891,7 @@ void __init sev_hardware_setup(void) out: sev_enabled = sev_supported; sev_es_enabled = sev_es_supported; +#endif } void sev_hardware_teardown(void) |