KVM: Initialize the BSP bit in the APIC_BASE msr correctly

Needs to be set on vcpu 0 only.

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

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 68841ef..62ec38c 100644 (file)
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -589,9 +589,9 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
 
        fx_init(vcpu);
        vcpu->fpu_active = 1;
-       vcpu->apic_base = 0xfee00000 |
-                       /*for vcpu 0*/ MSR_IA32_APICBASE_BSP |
-                       MSR_IA32_APICBASE_ENABLE;
+       vcpu->apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE;
+       if (vcpu == &vcpu->kvm->vcpus[0])
+               vcpu->apic_base |= MSR_IA32_APICBASE_BSP;
 
        return 0;
 

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index b909b54..0b2aace 100644 (file)
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -1238,9 +1238,9 @@ static int vmx_vcpu_setup(struct kvm_vcpu *vcpu)
        memset(vcpu->regs, 0, sizeof(vcpu->regs));
        vcpu->regs[VCPU_REGS_RDX] = get_rdx_init_val();
        vcpu->cr8 = 0;
-       vcpu->apic_base = 0xfee00000 |
-                       /*for vcpu 0*/ MSR_IA32_APICBASE_BSP |
-                       MSR_IA32_APICBASE_ENABLE;
+       vcpu->apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE;
+       if (vcpu == &vcpu->kvm->vcpus[0])
+               vcpu->apic_base |= MSR_IA32_APICBASE_BSP;
 
        fx_init(vcpu);