summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kvm/book3s.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kvm/book3s.c')
-rw-r--r--arch/powerpc/kvm/book3s.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index f97369d..807103a 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -286,7 +286,8 @@ int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu)
return 0;
}
-pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn)
+pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn, bool writing,
+ bool *writable)
{
ulong mp_pa = vcpu->arch.magic_page_pa;
@@ -302,20 +303,22 @@ pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn)
pfn = (pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
get_page(pfn_to_page(pfn));
+ if (writable)
+ *writable = true;
return pfn;
}
- return gfn_to_pfn(vcpu->kvm, gfn);
+ return gfn_to_pfn_prot(vcpu->kvm, gfn, writing, writable);
}
static int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, bool data,
- struct kvmppc_pte *pte)
+ bool iswrite, struct kvmppc_pte *pte)
{
int relocated = (vcpu->arch.shared->msr & (data ? MSR_DR : MSR_IR));
int r;
if (relocated) {
- r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data);
+ r = vcpu->arch.mmu.xlate(vcpu, eaddr, pte, data, iswrite);
} else {
pte->eaddr = eaddr;
pte->raddr = eaddr & KVM_PAM;
@@ -361,7 +364,7 @@ int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
vcpu->stat.st++;
- if (kvmppc_xlate(vcpu, *eaddr, data, &pte))
+ if (kvmppc_xlate(vcpu, *eaddr, data, true, &pte))
return -ENOENT;
*eaddr = pte.raddr;
@@ -383,7 +386,7 @@ int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
vcpu->stat.ld++;
- if (kvmppc_xlate(vcpu, *eaddr, data, &pte))
+ if (kvmppc_xlate(vcpu, *eaddr, data, false, &pte))
goto nopte;
*eaddr = pte.raddr;
OpenPOWER on IntegriCloud