Re: [Part2 PATCH v7 23/38] KVM: SVM: Reserve ASID range for SEV guest

From: Brijesh Singh
Date: Mon Nov 06 2017 - 11:18:30 EST




On 11/06/2017 04:34 AM, Borislav Petkov wrote:
...

int cpu;
@@ -1084,6 +1095,16 @@ static __init int svm_hardware_setup(void)
kvm_tsc_scaling_ratio_frac_bits = 32;
}
+ if (sev) {
+ if (boot_cpu_has(X86_FEATURE_SEV) &&
+ IS_ENABLED(CONFIG_KVM_AMD_SEV)) {
+ sev_hardware_setup();
+ pr_info("SEV supported\n");
+ } else {
+ sev = false;
+ }
+ }

Btw, upon a second look, this hunk should go with the previous patch.
This patch deals with ASID ranges, as the commit message states.



I will see if I can move the hunk in previous patch. thanks