On 11/3/22 00:19, Sean Christopherson wrote:
+ if (!boot_cpu_has(X86_FEATURE_MSR_IA32_FEAT_CTL) ||
+ !boot_cpu_has(X86_FEATURE_VMX)) {
+ pr_err("VMX not enabled in MSR_IA32_FEAT_CTL\n");
+ return false;
I think the reference to the BIOS should remain in these messages and in
svm.c (even though these days it's much less common for vendors to
default to disabled virtualization in the system setup).
The check for X86_FEATURE_MSR_IA32_FEAT_CTL is not needed because
init_ia32_feat_ctl() will clear X86_FEATURE_VMX if the rdmsr fail (and
not set X86_FEATURE_MSR_IA32_FEAT_CTL).
Paolo
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