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authorCédric Le Goater <clg@kaod.org>2019-05-20 09:15:14 +0200
committerPaul Mackerras <paulus@ozlabs.org>2019-05-29 13:44:37 +1000
commite717d0ae10041d18fa97da1e6bb4942b5eb9f77c (patch)
treed9648ff8bb379a16a3eabd9a75f277a6645e5ba5 /arch/powerpc
parentc468bc4e8468cb4b85ad61294ddd88efb2e47d8d (diff)
downloadlinux-e717d0ae10041d18fa97da1e6bb4942b5eb9f77c.tar.bz2
KVM: PPC: Book3S HV: XIVE: Fix the enforced limit on the vCPU identifier
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 <sathnaga@linux.vnet.ibm.com> Tested-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kvm/book3s_xive_native.c2
1 files changed, 1 insertions, 1 deletions
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;
}