From: Sheng Yang <[EMAIL PROTECTED]>
MSR_IA32_FEATURE_LOCKED is just a bit in fact, which shouldn't be prefixed with
MSR_. So is MSR_IA32_FEATURE_VMXON_ENABLED.
Signed-off-by: Sheng Yang <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 332ed24..c8d7867 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1018,9 +1018,9 @@ static __init int vmx_disabled_by_bios(void)
u64 msr;
rdmsrl(MSR_IA32_FEATURE_CONTROL, msr);
- return (msr & (MSR_IA32_FEATURE_CONTROL_LOCKED |
- MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED))
- == MSR_IA32_FEATURE_CONTROL_LOCKED;
+ return (msr & (IA32_FEATURE_CONTROL_LOCKED_BIT |
+ IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT))
+ == IA32_FEATURE_CONTROL_LOCKED_BIT;
/* locked but not enabled */
}
@@ -1032,14 +1032,14 @@ static void hardware_enable(void *garbage)
INIT_LIST_HEAD(&per_cpu(vcpus_on_cpu, cpu));
rdmsrl(MSR_IA32_FEATURE_CONTROL, old);
- if ((old & (MSR_IA32_FEATURE_CONTROL_LOCKED |
- MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED))
- != (MSR_IA32_FEATURE_CONTROL_LOCKED |
- MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED))
+ if ((old & (IA32_FEATURE_CONTROL_LOCKED_BIT |
+ IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT))
+ != (IA32_FEATURE_CONTROL_LOCKED_BIT |
+ IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT))
/* enable and lock */
wrmsrl(MSR_IA32_FEATURE_CONTROL, old |
- MSR_IA32_FEATURE_CONTROL_LOCKED |
- MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED);
+ IA32_FEATURE_CONTROL_LOCKED_BIT |
+ IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT);
write_cr4(read_cr4() | X86_CR4_VMXE); /* FIXME: not cpu hotplug safe */
asm volatile (ASM_VMX_VMXON_RAX
: : "a"(&phys_addr), "m"(phys_addr)
diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h
index 425a134..0c22e5f 100644
--- a/arch/x86/kvm/vmx.h
+++ b/arch/x86/kvm/vmx.h
@@ -346,8 +346,8 @@ enum vmcs_field {
#define MSR_IA32_VMX_EPT_VPID_CAP 0x48c
#define MSR_IA32_FEATURE_CONTROL 0x3a
-#define MSR_IA32_FEATURE_CONTROL_LOCKED 0x1
-#define MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED 0x4
+#define IA32_FEATURE_CONTROL_LOCKED_BIT 0x1
+#define IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT 0x4
#define APIC_ACCESS_PAGE_PRIVATE_MEMSLOT 9
#define IDENTITY_PAGETABLE_PRIVATE_MEMSLOT 10
--
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