From: Avi Kivity <[email protected]> Instead of calling vmx_get_segment() (which reads a whole bunch of vmcs fields), read only the cs selector which contains the cpl.
Signed-off-by: Avi Kivity <[email protected]> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 32e6d20..0ba706e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1773,16 +1773,13 @@ static void vmx_get_segment(struct kvm_vcpu *vcpu, static int vmx_get_cpl(struct kvm_vcpu *vcpu) { - struct kvm_segment kvm_seg; - if (!(vcpu->arch.cr0 & X86_CR0_PE)) /* if real mode */ return 0; if (vmx_get_rflags(vcpu) & X86_EFLAGS_VM) /* if virtual 8086 */ return 3; - vmx_get_segment(vcpu, &kvm_seg, VCPU_SREG_CS); - return kvm_seg.selector & 3; + return vmcs_read16(GUEST_CS_SELECTOR) & 3; } static u32 vmx_segment_access_rights(struct kvm_segment *var) -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
