Message ID | 20190520071514.9308-4-clg@kaod.org |
---|---|
State | Accepted |
Headers | show |
Series | KVM: PPC: Book3S HV: XIVE: assorted fixes on vCPU and RAM limits | expand |
On Mon, 20 May 2019 09:15:14 +0200 Cédric Le Goater <clg@kaod.org> wrote: > When a vCPU is connected to the KVM device, it is done using its vCPU > identifier in the guest. Fix the enforced limit on the vCPU identifier > by taking into account the SMT mode. > Reviewed-by: Greg Kurz <groug@kaod.org> > Reported-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> > Tested-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> > Signed-off-by: Cédric Le Goater <clg@kaod.org> > --- > arch/powerpc/kvm/book3s_xive_native.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c > index 3fdea6bf4e97..25b6b0e2d02a 100644 > --- a/arch/powerpc/kvm/book3s_xive_native.c > +++ b/arch/powerpc/kvm/book3s_xive_native.c > @@ -109,7 +109,7 @@ int kvmppc_xive_native_connect_vcpu(struct kvm_device *dev, > return -EPERM; > if (vcpu->arch.irq_type != KVMPPC_IRQ_DEFAULT) > return -EBUSY; > - if (server_num >= KVM_MAX_VCPUS) { > + if (server_num >= (KVM_MAX_VCPUS * vcpu->kvm->arch.emul_smt_mode)) { > pr_devel("Out of bounds !\n"); > return -EINVAL; > }
diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c index 3fdea6bf4e97..25b6b0e2d02a 100644 --- a/arch/powerpc/kvm/book3s_xive_native.c +++ b/arch/powerpc/kvm/book3s_xive_native.c @@ -109,7 +109,7 @@ int kvmppc_xive_native_connect_vcpu(struct kvm_device *dev, return -EPERM; if (vcpu->arch.irq_type != KVMPPC_IRQ_DEFAULT) return -EBUSY; - if (server_num >= KVM_MAX_VCPUS) { + if (server_num >= (KVM_MAX_VCPUS * vcpu->kvm->arch.emul_smt_mode)) { pr_devel("Out of bounds !\n"); return -EINVAL; }