diff options
Diffstat (limited to 'arch/powerpc/kvm/44x.c')
| -rw-r--r-- | arch/powerpc/kvm/44x.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c index 73c0a3f64ed1..74d0e7421143 100644 --- a/arch/powerpc/kvm/44x.c +++ b/arch/powerpc/kvm/44x.c @@ -43,7 +43,7 @@ int kvmppc_core_check_processor_compat(void) { int r; - if (strcmp(cur_cpu_spec->platform, "ppc440") == 0) + if (strncmp(cur_cpu_spec->platform, "ppc440", 6) == 0) r = 0; else r = -ENOTSUPP; @@ -72,6 +72,7 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu) /* Since the guest can directly access the timebase, it must know the * real timebase frequency. Accordingly, it must see the state of * CCR1[TCS]. */ + /* XXX CCR1 doesn't exist on all 440 SoCs. */ vcpu->arch.ccr1 = mfspr(SPRN_CCR1); for (i = 0; i < ARRAY_SIZE(vcpu_44x->shadow_refs); i++) @@ -123,8 +124,14 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) if (err) goto free_vcpu; + vcpu->arch.shared = (void*)__get_free_page(GFP_KERNEL|__GFP_ZERO); + if (!vcpu->arch.shared) + goto uninit_vcpu; + return vcpu; +uninit_vcpu: + kvm_vcpu_uninit(vcpu); free_vcpu: kmem_cache_free(kvm_vcpu_cache, vcpu_44x); out: @@ -135,6 +142,7 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) { struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); + free_page((unsigned long)vcpu->arch.shared); kvm_vcpu_uninit(vcpu); kmem_cache_free(kvm_vcpu_cache, vcpu_44x); } |