diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_32_mmu_host.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_32_mmu_host.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/book3s_32_mmu_host.c b/arch/powerpc/kvm/book3s_32_mmu_host.c index 00e619bf608e..3a0abd2e5a15 100644 --- a/arch/powerpc/kvm/book3s_32_mmu_host.c +++ b/arch/powerpc/kvm/book3s_32_mmu_host.c @@ -138,7 +138,8 @@ static u32 *kvmppc_mmu_get_pteg(struct kvm_vcpu *vcpu, u32 vsid, u32 eaddr, extern char etext[]; -int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte) +int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte, + bool iswrite) { pfn_t hpaddr; u64 vpn; @@ -152,9 +153,11 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte) bool evict = false; struct hpte_cache *pte; int r = 0; + bool writable; /* Get host physical address for gpa */ - hpaddr = kvmppc_gfn_to_pfn(vcpu, orig_pte->raddr >> PAGE_SHIFT); + hpaddr = kvmppc_gfn_to_pfn(vcpu, orig_pte->raddr >> PAGE_SHIFT, + iswrite, &writable); if (is_error_noslot_pfn(hpaddr)) { printk(KERN_INFO "Couldn't get guest page for gfn %lx!\n", orig_pte->eaddr); @@ -204,7 +207,7 @@ next_pteg: (primary ? 0 : PTE_SEC); pteg1 = hpaddr | PTE_M | PTE_R | PTE_C; - if (orig_pte->may_write) { + if (orig_pte->may_write && writable) { pteg1 |= PP_RWRW; mark_page_dirty(vcpu->kvm, orig_pte->raddr >> PAGE_SHIFT); } else { @@ -259,6 +262,11 @@ out: return r; } +void kvmppc_mmu_unmap_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte) +{ + kvmppc_mmu_pte_vflush(vcpu, pte->vpage, 0xfffffffffULL); +} + static struct kvmppc_sid_map *create_sid_map(struct kvm_vcpu *vcpu, u64 gvsid) { struct kvmppc_sid_map *map; @@ -341,7 +349,7 @@ void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu) svcpu_put(svcpu); } -void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu) +void kvmppc_mmu_destroy_pr(struct kvm_vcpu *vcpu) { int i; |