From 841741f23b91088810e657a535b8aa683136d870 Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Fri, 2 Sep 2011 17:39:37 -0500 Subject: [PATCH] KVM: PPC: e500: Don't hardcode PIR=0 The hardcoded behavior prevents proper SMP support. user space shall specify the vcpu's PIR as the vcpu id. Signed-off-by: Scott Wood Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity --- arch/powerpc/kvm/booke.c | 4 ++-- arch/powerpc/kvm/e500.c | 3 --- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index bb6c988f010..b64220079d5 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -761,7 +761,7 @@ static void get_sregs_arch206(struct kvm_vcpu *vcpu, { sregs->u.e.features |= KVM_SREGS_E_ARCH206; - sregs->u.e.pir = 0; + sregs->u.e.pir = vcpu->vcpu_id; sregs->u.e.mcsrr0 = vcpu->arch.mcsrr0; sregs->u.e.mcsrr1 = vcpu->arch.mcsrr1; sregs->u.e.decar = vcpu->arch.decar; @@ -774,7 +774,7 @@ static int set_sregs_arch206(struct kvm_vcpu *vcpu, if (!(sregs->u.e.features & KVM_SREGS_E_ARCH206)) return 0; - if (sregs->u.e.pir != 0) + if (sregs->u.e.pir != vcpu->vcpu_id) return -EINVAL; vcpu->arch.mcsrr0 = sregs->u.e.mcsrr0; diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c index f17d7e732a1..ac3c4bf2167 100644 --- a/arch/powerpc/kvm/e500.c +++ b/arch/powerpc/kvm/e500.c @@ -71,9 +71,6 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu) vcpu->arch.pvr = mfspr(SPRN_PVR); vcpu_e500->svr = mfspr(SPRN_SVR); - /* Since booke kvm only support one core, update all vcpus' PIR to 0 */ - vcpu->vcpu_id = 0; - vcpu->arch.cpu_type = KVM_CPU_E500V2; return 0; -- 2.41.0