x86: Remove redundant K6 MSRs
MSR_K6_EFER is unused, and MSR_K6_STAR is redundant with MSR_STAR.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
LKML-Reference: <1279371808-24804-1-git-send-email-brgerst@gmail.com>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ee03679..b42ad25 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -231,14 +231,14 @@
static void ept_save_pdptrs(struct kvm_vcpu *vcpu);
/*
- * Keep MSR_K6_STAR at the end, as setup_msrs() will try to optimize it
+ * Keep MSR_STAR at the end, as setup_msrs() will try to optimize it
* away by decrementing the array size.
*/
static const u32 vmx_msr_index[] = {
#ifdef CONFIG_X86_64
MSR_SYSCALL_MASK, MSR_LSTAR, MSR_CSTAR,
#endif
- MSR_EFER, MSR_TSC_AUX, MSR_K6_STAR,
+ MSR_EFER, MSR_TSC_AUX, MSR_STAR,
};
#define NR_VMX_MSR ARRAY_SIZE(vmx_msr_index)
@@ -1057,10 +1057,10 @@
if (index >= 0 && vmx->rdtscp_enabled)
move_msr_up(vmx, index, save_nmsrs++);
/*
- * MSR_K6_STAR is only needed on long mode guests, and only
+ * MSR_STAR is only needed on long mode guests, and only
* if efer.sce is enabled.
*/
- index = __find_msr_index(vmx, MSR_K6_STAR);
+ index = __find_msr_index(vmx, MSR_STAR);
if ((index >= 0) && (vmx->vcpu.arch.efer & EFER_SCE))
move_msr_up(vmx, index, save_nmsrs++);
}