From: Joerg Roedel <[EMAIL PROTECTED]>
To allow access to the EFER register in 32bit KVM the EFER specific code has to
be exported to the x86 generic code. This patch does this in a backwards
compatible manner.
Signed-off-by: Joerg Roedel <[EMAIL PROTECTED]>
---
arch/x86/kvm/vmx.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 3d8949a..2ca24ac 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -759,6 +759,9 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32
msr_index, u64 *pdata)
break;
case MSR_EFER:
return kvm_get_msr_common(vcpu, msr_index, pdata);
+#else
+ case MSR_EFER:
+ return 1;
#endif
case MSR_IA32_TIME_STAMP_COUNTER:
data = guest_read_tsc();
@@ -811,6 +814,9 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32
msr_index, u64 data)
case MSR_GS_BASE:
vmcs_writel(GUEST_GS_BASE, data);
break;
+#else
+ case MSR_EFER:
+ return 1;
#endif
case MSR_IA32_SYSENTER_CS:
vmcs_write32(GUEST_SYSENTER_CS, data);
@@ -1332,7 +1338,6 @@ static void vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned
long cr4)
vcpu->arch.cr4 = cr4;
}
-#ifdef CONFIG_X86_64
static void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
{
@@ -1356,7 +1361,6 @@ static void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
setup_msrs(vmx);
}
-#endif
static u64 vmx_get_segment_base(struct kvm_vcpu *vcpu, int seg)
{
@@ -2662,9 +2666,7 @@ static struct kvm_x86_ops vmx_x86_ops = {
.set_cr0 = vmx_set_cr0,
.set_cr3 = vmx_set_cr3,
.set_cr4 = vmx_set_cr4,
-#ifdef CONFIG_X86_64
.set_efer = vmx_set_efer,
-#endif
.get_idt = vmx_get_idt,
.set_idt = vmx_set_idt,
.get_gdt = vmx_get_gdt,
--
1.5.3.7
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