diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 36fe8a5d6a44..aaf166e2417d 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1825,6 +1825,16 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_hv(struct kvm *kvm, vcpu->arch.busy_preempt = TB_NIL; vcpu->arch.intr_msr = MSR_SF | MSR_ME; + /* + * Set the default HFSCR for the guest from the host value. + * This value is only used on POWER9. + * On POWER9 DD1, TM doesn't work, so we make sure to + * prevent the guest from using it. + */ + vcpu->arch.hfscr = mfspr(SPRN_HFSCR); + if (!cpu_has_feature(CPU_FTR_TM)) + vcpu->arch.hfscr &= ~HFSCR_TM; + kvmppc_mmu_book3s_hv_init(vcpu); vcpu->arch.state = KVMPPC_VCPU_NOTREADY; |