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Subject[PATCH 2/3] KVM: AMD SVM: handle MSR_STAR in 32-bit mode
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This is necessary for linux guests.

Signed-off-by: Avi Kivity <avi@qumranet.com>

Index: linux-2.6/drivers/kvm/svm.c
===================================================================
--- linux-2.6.orig/drivers/kvm/svm.c
+++ linux-2.6/drivers/kvm/svm.c
@@ -402,11 +402,11 @@ static __init int svm_hardware_setup(voi
set_msr_interception(msrpm_va, MSR_GS_BASE, 1, 1);
set_msr_interception(msrpm_va, MSR_FS_BASE, 1, 1);
set_msr_interception(msrpm_va, MSR_KERNEL_GS_BASE, 1, 1);
- set_msr_interception(msrpm_va, MSR_STAR, 1, 1);
set_msr_interception(msrpm_va, MSR_LSTAR, 1, 1);
set_msr_interception(msrpm_va, MSR_CSTAR, 1, 1);
set_msr_interception(msrpm_va, MSR_SYSCALL_MASK, 1, 1);
#endif
+ set_msr_interception(msrpm_va, MSR_K6_STAR, 1, 1);
set_msr_interception(msrpm_va, MSR_IA32_SYSENTER_CS, 1, 1);
set_msr_interception(msrpm_va, MSR_IA32_SYSENTER_ESP, 1, 1);
set_msr_interception(msrpm_va, MSR_IA32_SYSENTER_EIP, 1, 1);
@@ -1098,10 +1098,10 @@ static int svm_get_msr(struct kvm_vcpu *
case MSR_IA32_APICBASE:
*data = vcpu->apic_base;
break;
-#ifdef CONFIG_X86_64
- case MSR_STAR:
+ case MSR_K6_STAR:
*data = vcpu->svm->vmcb->save.star;
break;
+#ifdef CONFIG_X86_64
case MSR_LSTAR:
*data = vcpu->svm->vmcb->save.lstar;
break;
@@ -1173,10 +1173,10 @@ static int svm_set_msr(struct kvm_vcpu *
case MSR_IA32_APICBASE:
vcpu->apic_base = data;
break;
-#ifdef CONFIG_X86_64_
- case MSR_STAR:
+ case MSR_K6_STAR:
vcpu->svm->vmcb->save.star = data;
break;
+#ifdef CONFIG_X86_64_
case MSR_LSTAR:
vcpu->svm->vmcb->save.lstar = data;
break;
-
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