diff options
| author | Qing He <qing.he@intel.com> | 2007-07-12 11:33:56 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 10:18:17 +0200 |
| commit | dad3795d2baa4e02cbfd161d9089c73dea16b4ba (patch) | |
| tree | 56bedc042a5ba0a2b92eecc4e488b0328a35db54 | |
| parent | KVM: Fix *nopage() in kvm_main.c (diff) | |
| download | linux-dad3795d2baa4e02cbfd161d9089c73dea16b4ba.tar.xz linux-dad3795d2baa4e02cbfd161d9089c73dea16b4ba.zip | |
KVM: SMP: Add vcpu_id field in struct vcpu
This patch adds a `vcpu_id' field in `struct vcpu', so we can
differentiate BSP and APs without pointer comparison or arithmetic.
Signed-off-by: Qing He <qing.he@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
| -rw-r--r-- | drivers/kvm/kvm.h | 1 | ||||
| -rw-r--r-- | drivers/kvm/kvm_main.c | 1 | ||||
| -rw-r--r-- | drivers/kvm/svm.c | 2 | ||||
| -rw-r--r-- | drivers/kvm/vmx.c | 2 |
4 files changed, 4 insertions, 2 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 336be86c6f5a..b629a83eb82d 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -328,6 +328,7 @@ void kvm_io_bus_register_dev(struct kvm_io_bus *bus, struct kvm_vcpu { struct kvm *kvm; + int vcpu_id; union { struct vmcs *vmcs; struct vcpu_svm *svm; diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 36a458f13ec4..df9c05e9b34e 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2355,6 +2355,7 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, int n) goto out; vcpu = &kvm->vcpus[n]; + vcpu->vcpu_id = n; mutex_lock(&vcpu->mutex); diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index bc818cc126e3..52a11ccdf0c2 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -591,7 +591,7 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu) fx_init(vcpu); vcpu->fpu_active = 1; vcpu->apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE; - if (vcpu == &vcpu->kvm->vcpus[0]) + if (vcpu->vcpu_id == 0) vcpu->apic_base |= MSR_IA32_APICBASE_BSP; return 0; diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index 80628f69916d..7fa62c780ce4 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -1253,7 +1253,7 @@ static int vmx_vcpu_setup(struct kvm_vcpu *vcpu) vcpu->regs[VCPU_REGS_RDX] = get_rdx_init_val(); vcpu->cr8 = 0; vcpu->apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE; - if (vcpu == &vcpu->kvm->vcpus[0]) + if (vcpu->vcpu_id == 0) vcpu->apic_base |= MSR_IA32_APICBASE_BSP; fx_init(vcpu); |