diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_mmu_host.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_host.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c index 3a9a1aceb14..e5240524bf6 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_host.c +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -34,7 +34,7 @@ void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte) { ppc_md.hpte_invalidate(pte->slot, pte->host_vpn, - MMU_PAGE_4K, MMU_SEGSIZE_256M, + MMU_PAGE_4K, MMU_PAGE_4K, MMU_SEGSIZE_256M, false); } @@ -301,6 +301,23 @@ out: return r; } +void kvmppc_mmu_flush_segment(struct kvm_vcpu *vcpu, ulong ea, ulong seg_size) +{ + struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); + ulong seg_mask = -seg_size; + int i; + + for (i = 1; i < svcpu->slb_max; i++) { + if ((svcpu->slb[i].esid & SLB_ESID_V) && + (svcpu->slb[i].esid & seg_mask) == ea) { + /* Invalidate this entry */ + svcpu->slb[i].esid = 0; + } + } + + svcpu_put(svcpu); +} + void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu) { struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); @@ -325,9 +342,9 @@ int kvmppc_mmu_init(struct kvm_vcpu *vcpu) return -1; vcpu3s->context_id[0] = err; - vcpu3s->proto_vsid_max = ((vcpu3s->context_id[0] + 1) + vcpu3s->proto_vsid_max = ((u64)(vcpu3s->context_id[0] + 1) << ESID_BITS) - 1; - vcpu3s->proto_vsid_first = vcpu3s->context_id[0] << ESID_BITS; + vcpu3s->proto_vsid_first = (u64)vcpu3s->context_id[0] << ESID_BITS; vcpu3s->proto_vsid_next = vcpu3s->proto_vsid_first; kvmppc_mmu_hpte_init(vcpu); |