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Commit d923fcf6 authored by Jim Mattson's avatar Jim Mattson Committed by Radim Krčmář
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KVM: nVMX: Don't update vmcs12->xss_exit_bitmap on nested VM-exit 



The XSS-exiting bitmap is a VMCS control field that does not change
while the CPU is in non-root mode. Transferring the unchanged value
from vmcs02 to vmcs12 is unnecessary.

Signed-off-by: default avatarJim Mattson <jmattson@google.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 4531662d

arch/x86/kvm/vmx.c

+0 −2
Original line number Diff line number Diff line
@@ -10738,8 +10738,6 @@ static void sync_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) 
	vmcs12->guest_sysenter_eip = vmcs_readl(GUEST_SYSENTER_EIP);

	if (kvm_mpx_supported())

		vmcs12->guest_bndcfgs = vmcs_read64(GUEST_BNDCFGS);

	if (nested_cpu_has_xsaves(vmcs12))

		vmcs12->xss_exit_bitmap = vmcs_read64(XSS_EXIT_BITMAP);

}



/*