[PATCH 14/15] kvm/vmx/nested: Support CR4.KL in nested

From: Robert Hoo
Date: Tue Jun 01 2021 - 04:49:47 EST


Add CR4.KL in nested.msr.cr4_fixed1 when guest CPUID supports KeyLocker. So
that it can pass check when preparing vmcs02.

Signed-off-by: Robert Hoo <robert.hu@xxxxxxxxxxxxxxx>
---
arch/x86/kvm/vmx/vmx.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 5b46d7b..070ba81 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7440,6 +7440,7 @@ static void nested_vmx_cr_fixed1_bits_update(struct kvm_vcpu *vcpu)
cr4_fixed1_update(X86_CR4_PKE, ecx, feature_bit(PKU));
cr4_fixed1_update(X86_CR4_UMIP, ecx, feature_bit(UMIP));
cr4_fixed1_update(X86_CR4_LA57, ecx, feature_bit(LA57));
+ cr4_fixed1_update(X86_CR4_KEYLOCKER, ecx, feature_bit(KEYLOCKER));

#undef cr4_fixed1_update
}
--
1.8.3.1