From e717d0ae10041d18fa97da1e6bb4942b5eb9f77c Mon Sep 17 00:00:00 2001 From: Cédric Le Goater Date: Mon, 20 May 2019 09:15:14 +0200 Subject: KVM: PPC: Book3S HV: XIVE: Fix the enforced limit on the vCPU identifier MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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. Reported-by: Satheesh Rajendran Tested-by: Satheesh Rajendran Signed-off-by: Cédric Le Goater Reviewed-by: Greg Kurz Signed-off-by: Paul Mackerras --- 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 53b7159dc305..3caf64b96f7e 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; } -- cgit v1.2.3-59-g8ed1b