target-ppc/kvm: Enable transactional memory on POWER8 with KVM-HV, too
Transactional memory is also supported on POWER8 KVM-HV if the KVM_CAP_PPC_HTM is not available in the kernel yet, so add a hack to allow TM here, too. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -570,11 +570,18 @@ int kvm_arch_init_vcpu(CPUState *cs)
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idle_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, kvm_kick_cpu, cpu);
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idle_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, kvm_kick_cpu, cpu);
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/* Some targets support access to KVM's guest TLB. */
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switch (cenv->mmu_model) {
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switch (cenv->mmu_model) {
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case POWERPC_MMU_BOOKE206:
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case POWERPC_MMU_BOOKE206:
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/* This target supports access to KVM's guest TLB */
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ret = kvm_booke206_tlb_init(cpu);
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ret = kvm_booke206_tlb_init(cpu);
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break;
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break;
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case POWERPC_MMU_2_07:
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if (!cap_htm && !kvmppc_is_pr(cs->kvm_state)) {
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/* KVM-HV has transactional memory on POWER8 also without the
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* KVM_CAP_PPC_HTM extension, so enable it here instead. */
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cap_htm = true;
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}
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break;
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default:
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default:
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break;
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break;
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}
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}
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