diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index a20cc0b..028f4b1 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -161,9 +161,9 @@ extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn, bool writing,
 			bool *writable);
 extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev,
 			unsigned long *rmap, long pte_index, int realmode);
-extern void kvmppc_invalidate_hpte(struct kvm *kvm, unsigned long *hptep,
+extern void kvmppc_invalidate_hpte(struct kvm *kvm, __be64 *hptep,
 			unsigned long pte_index);
-void kvmppc_clear_ref_hpte(struct kvm *kvm, unsigned long *hptep,
+void kvmppc_clear_ref_hpte(struct kvm *kvm, __be64 *hptep,
 			unsigned long pte_index);
 extern void *kvmppc_pin_guest_page(struct kvm *kvm, unsigned long addr,
 			unsigned long *nb_ret);
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index c7871f3..e504f88 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -59,20 +59,29 @@ extern unsigned long kvm_rma_pages;
 /* These bits are reserved in the guest view of the HPTE */
 #define HPTE_GR_RESERVED	HPTE_GR_MODIFIED
 
-static inline long try_lock_hpte(unsigned long *hpte, unsigned long bits)
+static inline long try_lock_hpte(__be64 *hpte, unsigned long bits)
 {
 	unsigned long tmp, old;
+	__be64 be_lockbit, be_bits;
+
+	/*
+	 * We load/store in native endian, but the HTAB is in big endian. If
+	 * we byte swap all data we apply on the PTE we're implicitly correct
+	 * again.
+	 */
+	be_lockbit = cpu_to_be64(HPTE_V_HVLOCK);
+	be_bits = cpu_to_be64(bits);
 
 	asm volatile("	ldarx	%0,0,%2\n"
 		     "	and.	%1,%0,%3\n"
 		     "	bne	2f\n"
-		     "	ori	%0,%0,%4\n"
+		     "	or	%0,%0,%4\n"
 		     "  stdcx.	%0,0,%2\n"
 		     "	beq+	2f\n"
 		     "	mr	%1,%3\n"
 		     "2:	isync"
 		     : "=&r" (tmp), "=&r" (old)
-		     : "r" (hpte), "r" (bits), "i" (HPTE_V_HVLOCK)
+		     : "r" (hpte), "r" (be_bits), "r" (be_lockbit)
 		     : "cc", "memory");
 	return old == 0;
 }
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 8056107..2d154d9 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -450,7 +450,7 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
 	unsigned long slb_v;
 	unsigned long pp, key;
 	unsigned long v, gr;
-	unsigned long *hptep;
+	__be64 *hptep;
 	int index;
 	int virtmode = vcpu->arch.shregs.msr & (data ? MSR_DR : MSR_IR);
 
@@ -473,13 +473,13 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
 		preempt_enable();
 		return -ENOENT;
 	}
-	hptep = (unsigned long *)(kvm->arch.hpt_virt + (index << 4));
-	v = hptep[0] & ~HPTE_V_HVLOCK;
+	hptep = (__be64 *)(kvm->arch.hpt_virt + (index << 4));
+	v = be64_to_cpu(hptep[0]) & ~HPTE_V_HVLOCK;
 	gr = kvm->arch.revmap[index].guest_rpte;
 
 	/* Unlock the HPTE */
 	asm volatile("lwsync" : : : "memory");
-	hptep[0] = v;
+	hptep[0] = cpu_to_be64(v);
 	preempt_enable();
 
 	gpte->eaddr = eaddr;
@@ -583,7 +583,8 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 				unsigned long ea, unsigned long dsisr)
 {
 	struct kvm *kvm = vcpu->kvm;
-	unsigned long *hptep, hpte[3], r;
+	unsigned long hpte[3], r;
+	__be64 *hptep;
 	unsigned long mmu_seq, psize, pte_size;
 	unsigned long gpa_base, gfn_base;
 	unsigned long gpa, gfn, hva, pfn;
@@ -606,16 +607,16 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	if (ea != vcpu->arch.pgfault_addr)
 		return RESUME_GUEST;
 	index = vcpu->arch.pgfault_index;
-	hptep = (unsigned long *)(kvm->arch.hpt_virt + (index << 4));
+	hptep = (__be64 *)(kvm->arch.hpt_virt + (index << 4));
 	rev = &kvm->arch.revmap[index];
 	preempt_disable();
 	while (!try_lock_hpte(hptep, HPTE_V_HVLOCK))
 		cpu_relax();
-	hpte[0] = hptep[0] & ~HPTE_V_HVLOCK;
-	hpte[1] = hptep[1];
+	hpte[0] = be64_to_cpu(hptep[0]) & ~HPTE_V_HVLOCK;
+	hpte[1] = be64_to_cpu(hptep[1]);
 	hpte[2] = r = rev->guest_rpte;
 	asm volatile("lwsync" : : : "memory");
-	hptep[0] = hpte[0];
+	hptep[0] = cpu_to_be64(hpte[0]);
 	preempt_enable();
 
 	if (hpte[0] != vcpu->arch.pgfault_hpte[0] ||
@@ -731,8 +732,9 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	preempt_disable();
 	while (!try_lock_hpte(hptep, HPTE_V_HVLOCK))
 		cpu_relax();
-	if ((hptep[0] & ~HPTE_V_HVLOCK) != hpte[0] || hptep[1] != hpte[1] ||
-	    rev->guest_rpte != hpte[2])
+	if ((be64_to_cpu(hptep[0]) & ~HPTE_V_HVLOCK) != hpte[0] ||
+		be64_to_cpu(hptep[1]) != hpte[1] ||
+		rev->guest_rpte != hpte[2])
 		/* HPTE has been changed under us; let the guest retry */
 		goto out_unlock;
 	hpte[0] = (hpte[0] & ~HPTE_V_ABSENT) | HPTE_V_VALID;
@@ -752,20 +754,20 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	rcbits = *rmap >> KVMPPC_RMAP_RC_SHIFT;
 	r &= rcbits | ~(HPTE_R_R | HPTE_R_C);
 
-	if (hptep[0] & HPTE_V_VALID) {
+	if (be64_to_cpu(hptep[0]) & HPTE_V_VALID) {
 		/* HPTE was previously valid, so we need to invalidate it */
 		unlock_rmap(rmap);
-		hptep[0] |= HPTE_V_ABSENT;
+		hptep[0] |= cpu_to_be64(HPTE_V_ABSENT);
 		kvmppc_invalidate_hpte(kvm, hptep, index);
 		/* don't lose previous R and C bits */
-		r |= hptep[1] & (HPTE_R_R | HPTE_R_C);
+		r |= be64_to_cpu(hptep[1]) & (HPTE_R_R | HPTE_R_C);
 	} else {
 		kvmppc_add_revmap_chain(kvm, rev, rmap, index, 0);
 	}
 
-	hptep[1] = r;
+	hptep[1] = cpu_to_be64(r);
 	eieio();
-	hptep[0] = hpte[0];
+	hptep[0] = cpu_to_be64(hpte[0]);
 	asm volatile("ptesync" : : : "memory");
 	preempt_enable();
 	if (page && hpte_is_writable(r))
@@ -784,7 +786,7 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	return ret;
 
  out_unlock:
-	hptep[0] &= ~HPTE_V_HVLOCK;
+	hptep[0] &= ~cpu_to_be64(HPTE_V_HVLOCK);
 	preempt_enable();
 	goto out_put;
 }
@@ -860,7 +862,7 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
 {
 	struct revmap_entry *rev = kvm->arch.revmap;
 	unsigned long h, i, j;
-	unsigned long *hptep;
+	__be64 *hptep;
 	unsigned long ptel, psize, rcbits;
 
 	for (;;) {
@@ -876,11 +878,11 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
 		 * rmap chain lock.
 		 */
 		i = *rmapp & KVMPPC_RMAP_INDEX;
-		hptep = (unsigned long *) (kvm->arch.hpt_virt + (i << 4));
+		hptep = (__be64 *) (kvm->arch.hpt_virt + (i << 4));
 		if (!try_lock_hpte(hptep, HPTE_V_HVLOCK)) {
 			/* unlock rmap before spinning on the HPTE lock */
 			unlock_rmap(rmapp);
-			while (hptep[0] & HPTE_V_HVLOCK)
+			while (be64_to_cpu(hptep[0]) & HPTE_V_HVLOCK)
 				cpu_relax();
 			continue;
 		}
@@ -899,14 +901,14 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
 
 		/* Now check and modify the HPTE */
 		ptel = rev[i].guest_rpte;
-		psize = hpte_page_size(hptep[0], ptel);
-		if ((hptep[0] & HPTE_V_VALID) &&
+		psize = hpte_page_size(be64_to_cpu(hptep[0]), ptel);
+		if ((be64_to_cpu(hptep[0]) & HPTE_V_VALID) &&
 		    hpte_rpn(ptel, psize) == gfn) {
 			if (kvm->arch.using_mmu_notifiers)
-				hptep[0] |= HPTE_V_ABSENT;
+				hptep[0] |= cpu_to_be64(HPTE_V_ABSENT);
 			kvmppc_invalidate_hpte(kvm, hptep, i);
 			/* Harvest R and C */
-			rcbits = hptep[1] & (HPTE_R_R | HPTE_R_C);
+			rcbits = be64_to_cpu(hptep[1]) & (HPTE_R_R | HPTE_R_C);
 			*rmapp |= rcbits << KVMPPC_RMAP_RC_SHIFT;
 			if (rcbits & ~rev[i].guest_rpte) {
 				rev[i].guest_rpte = ptel | rcbits;
@@ -914,7 +916,7 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
 			}
 		}
 		unlock_rmap(rmapp);
-		hptep[0] &= ~HPTE_V_HVLOCK;
+		hptep[0] &= ~cpu_to_be64(HPTE_V_HVLOCK);
 	}
 	return 0;
 }
@@ -961,7 +963,7 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
 {
 	struct revmap_entry *rev = kvm->arch.revmap;
 	unsigned long head, i, j;
-	unsigned long *hptep;
+	__be64 *hptep;
 	int ret = 0;
 
  retry:
@@ -977,23 +979,24 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
 
 	i = head = *rmapp & KVMPPC_RMAP_INDEX;
 	do {
-		hptep = (unsigned long *) (kvm->arch.hpt_virt + (i << 4));
+		hptep = (__be64 *) (kvm->arch.hpt_virt + (i << 4));
 		j = rev[i].forw;
 
 		/* If this HPTE isn't referenced, ignore it */
-		if (!(hptep[1] & HPTE_R_R))
+		if (!(be64_to_cpu(hptep[1]) & HPTE_R_R))
 			continue;
 
 		if (!try_lock_hpte(hptep, HPTE_V_HVLOCK)) {
 			/* unlock rmap before spinning on the HPTE lock */
 			unlock_rmap(rmapp);
-			while (hptep[0] & HPTE_V_HVLOCK)
+			while (be64_to_cpu(hptep[0]) & HPTE_V_HVLOCK)
 				cpu_relax();
 			goto retry;
 		}
 
 		/* Now check and modify the HPTE */
-		if ((hptep[0] & HPTE_V_VALID) && (hptep[1] & HPTE_R_R)) {
+		if ((be64_to_cpu(hptep[0]) & HPTE_V_VALID) &&
+		    (be64_to_cpu(hptep[1]) & HPTE_R_R)) {
 			kvmppc_clear_ref_hpte(kvm, hptep, i);
 			if (!(rev[i].guest_rpte & HPTE_R_R)) {
 				rev[i].guest_rpte |= HPTE_R_R;
@@ -1001,7 +1004,7 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
 			}
 			ret = 1;
 		}
-		hptep[0] &= ~HPTE_V_HVLOCK;
+		hptep[0] &= ~cpu_to_be64(HPTE_V_HVLOCK);
 	} while ((i = j) != head);
 
 	unlock_rmap(rmapp);
@@ -1035,7 +1038,7 @@ static int kvm_test_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
 		do {
 			hp = (unsigned long *)(kvm->arch.hpt_virt + (i << 4));
 			j = rev[i].forw;
-			if (hp[1] & HPTE_R_R)
+			if (be64_to_cpu(hp[1]) & HPTE_R_R)
 				goto out;
 		} while ((i = j) != head);
 	}
@@ -1075,7 +1078,7 @@ static int kvm_test_clear_dirty_npages(struct kvm *kvm, unsigned long *rmapp)
 	unsigned long head, i, j;
 	unsigned long n;
 	unsigned long v, r;
-	unsigned long *hptep;
+	__be64 *hptep;
 	int npages_dirty = 0;
 
  retry:
@@ -1091,7 +1094,8 @@ static int kvm_test_clear_dirty_npages(struct kvm *kvm, unsigned long *rmapp)
 
 	i = head = *rmapp & KVMPPC_RMAP_INDEX;
 	do {
-		hptep = (unsigned long *) (kvm->arch.hpt_virt + (i << 4));
+		unsigned long hptep1;
+		hptep = (__be64 *) (kvm->arch.hpt_virt + (i << 4));
 		j = rev[i].forw;
 
 		/*
@@ -1108,29 +1112,30 @@ static int kvm_test_clear_dirty_npages(struct kvm *kvm, unsigned long *rmapp)
 		 * Otherwise we need to do the tlbie even if C==0 in
 		 * order to pick up any delayed writeback of C.
 		 */
-		if (!(hptep[1] & HPTE_R_C) &&
-		    (!hpte_is_writable(hptep[1]) || vcpus_running(kvm)))
+		hptep1 = be64_to_cpu(hptep[1]);
+		if (!(hptep1 & HPTE_R_C) &&
+		    (!hpte_is_writable(hptep1) || vcpus_running(kvm)))
 			continue;
 
 		if (!try_lock_hpte(hptep, HPTE_V_HVLOCK)) {
 			/* unlock rmap before spinning on the HPTE lock */
 			unlock_rmap(rmapp);
-			while (hptep[0] & HPTE_V_HVLOCK)
+			while (hptep[0] & cpu_to_be64(HPTE_V_HVLOCK))
 				cpu_relax();
 			goto retry;
 		}
 
 		/* Now check and modify the HPTE */
-		if (!(hptep[0] & HPTE_V_VALID))
+		if (!(hptep[0] & cpu_to_be64(HPTE_V_VALID)))
 			continue;
 
 		/* need to make it temporarily absent so C is stable */
-		hptep[0] |= HPTE_V_ABSENT;
+		hptep[0] |= cpu_to_be64(HPTE_V_ABSENT);
 		kvmppc_invalidate_hpte(kvm, hptep, i);
-		v = hptep[0];
-		r = hptep[1];
+		v = be64_to_cpu(hptep[0]);
+		r = be64_to_cpu(hptep[1]);
 		if (r & HPTE_R_C) {
-			hptep[1] = r & ~HPTE_R_C;
+			hptep[1] = cpu_to_be64(r & ~HPTE_R_C);
 			if (!(rev[i].guest_rpte & HPTE_R_C)) {
 				rev[i].guest_rpte |= HPTE_R_C;
 				note_hpte_modification(kvm, &rev[i]);
@@ -1143,7 +1148,7 @@ static int kvm_test_clear_dirty_npages(struct kvm *kvm, unsigned long *rmapp)
 		}
 		v &= ~(HPTE_V_ABSENT | HPTE_V_HVLOCK);
 		v |= HPTE_V_VALID;
-		hptep[0] = v;
+		hptep[0] = cpu_to_be64(v);
 	} while ((i = j) != head);
 
 	unlock_rmap(rmapp);
@@ -1307,7 +1312,7 @@ struct kvm_htab_ctx {
  * Returns 1 if this HPT entry has been modified or has pending
  * R/C bit changes.
  */
-static int hpte_dirty(struct revmap_entry *revp, unsigned long *hptp)
+static int hpte_dirty(struct revmap_entry *revp, __be64 *hptp)
 {
 	unsigned long rcbits_unset;
 
@@ -1316,13 +1321,14 @@ static int hpte_dirty(struct revmap_entry *revp, unsigned long *hptp)
 
 	/* Also need to consider changes in reference and changed bits */
 	rcbits_unset = ~revp->guest_rpte & (HPTE_R_R | HPTE_R_C);
-	if ((hptp[0] & HPTE_V_VALID) && (hptp[1] & rcbits_unset))
+	if ((be64_to_cpu(hptp[0]) & HPTE_V_VALID) &&
+	    (be64_to_cpu(hptp[1]) & rcbits_unset))
 		return 1;
 
 	return 0;
 }
 
-static long record_hpte(unsigned long flags, unsigned long *hptp,
+static long record_hpte(unsigned long flags, __be64 *hptp,
 			unsigned long *hpte, struct revmap_entry *revp,
 			int want_valid, int first_pass)
 {
@@ -1337,10 +1343,10 @@ static long record_hpte(unsigned long flags, unsigned long *hptp,
 		return 0;
 
 	valid = 0;
-	if (hptp[0] & (HPTE_V_VALID | HPTE_V_ABSENT)) {
+	if (be64_to_cpu(hptp[0]) & (HPTE_V_VALID | HPTE_V_ABSENT)) {
 		valid = 1;
 		if ((flags & KVM_GET_HTAB_BOLTED_ONLY) &&
-		    !(hptp[0] & HPTE_V_BOLTED))
+		    !(be64_to_cpu(hptp[0]) & HPTE_V_BOLTED))
 			valid = 0;
 	}
 	if (valid != want_valid)
@@ -1352,7 +1358,7 @@ static long record_hpte(unsigned long flags, unsigned long *hptp,
 		preempt_disable();
 		while (!try_lock_hpte(hptp, HPTE_V_HVLOCK))
 			cpu_relax();
-		v = hptp[0];
+		v = be64_to_cpu(hptp[0]);
 
 		/* re-evaluate valid and dirty from synchronized HPTE value */
 		valid = !!(v & HPTE_V_VALID);
@@ -1360,9 +1366,9 @@ static long record_hpte(unsigned long flags, unsigned long *hptp,
 
 		/* Harvest R and C into guest view if necessary */
 		rcbits_unset = ~revp->guest_rpte & (HPTE_R_R | HPTE_R_C);
-		if (valid && (rcbits_unset & hptp[1])) {
-			revp->guest_rpte |= (hptp[1] & (HPTE_R_R | HPTE_R_C)) |
-				HPTE_GR_MODIFIED;
+		if (valid && (rcbits_unset & be64_to_cpu(hptp[1]))) {
+			revp->guest_rpte |= (be64_to_cpu(hptp[1]) &
+				(HPTE_R_R | HPTE_R_C)) | HPTE_GR_MODIFIED;
 			dirty = 1;
 		}
 
@@ -1381,13 +1387,13 @@ static long record_hpte(unsigned long flags, unsigned long *hptp,
 			revp->guest_rpte = r;
 		}
 		asm volatile(PPC_RELEASE_BARRIER "" : : : "memory");
-		hptp[0] &= ~HPTE_V_HVLOCK;
+		hptp[0] &= ~cpu_to_be64(HPTE_V_HVLOCK);
 		preempt_enable();
 		if (!(valid == want_valid && (first_pass || dirty)))
 			ok = 0;
 	}
-	hpte[0] = v;
-	hpte[1] = r;
+	hpte[0] = cpu_to_be64(v);
+	hpte[1] = cpu_to_be64(r);
 	return ok;
 }
 
@@ -1397,7 +1403,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf,
 	struct kvm_htab_ctx *ctx = file->private_data;
 	struct kvm *kvm = ctx->kvm;
 	struct kvm_get_htab_header hdr;
-	unsigned long *hptp;
+	__be64 *hptp;
 	struct revmap_entry *revp;
 	unsigned long i, nb, nw;
 	unsigned long __user *lbuf;
@@ -1413,7 +1419,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf,
 	flags = ctx->flags;
 
 	i = ctx->index;
-	hptp = (unsigned long *)(kvm->arch.hpt_virt + (i * HPTE_SIZE));
+	hptp = (__be64 *)(kvm->arch.hpt_virt + (i * HPTE_SIZE));
 	revp = kvm->arch.revmap + i;
 	lbuf = (unsigned long __user *)buf;
 
@@ -1497,7 +1503,7 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
 	unsigned long i, j;
 	unsigned long v, r;
 	unsigned long __user *lbuf;
-	unsigned long *hptp;
+	__be64 *hptp;
 	unsigned long tmp[2];
 	ssize_t nb;
 	long int err, ret;
@@ -1539,7 +1545,7 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
 		    i + hdr.n_valid + hdr.n_invalid > kvm->arch.hpt_npte)
 			break;
 
-		hptp = (unsigned long *)(kvm->arch.hpt_virt + (i * HPTE_SIZE));
+		hptp = (__be64 *)(kvm->arch.hpt_virt + (i * HPTE_SIZE));
 		lbuf = (unsigned long __user *)buf;
 		for (j = 0; j < hdr.n_valid; ++j) {
 			err = -EFAULT;
@@ -1551,7 +1557,7 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
 			lbuf += 2;
 			nb += HPTE_SIZE;
 
-			if (hptp[0] & (HPTE_V_VALID | HPTE_V_ABSENT))
+			if (be64_to_cpu(hptp[0]) & (HPTE_V_VALID | HPTE_V_ABSENT))
 				kvmppc_do_h_remove(kvm, 0, i, 0, tmp);
 			err = -EIO;
 			ret = kvmppc_virtmode_do_h_enter(kvm, H_EXACT, i, v, r,
@@ -1577,7 +1583,7 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
 		}
 
 		for (j = 0; j < hdr.n_invalid; ++j) {
-			if (hptp[0] & (HPTE_V_VALID | HPTE_V_ABSENT))
+			if (be64_to_cpu(hptp[0]) & (HPTE_V_VALID | HPTE_V_ABSENT))
 				kvmppc_do_h_remove(kvm, 0, i, 0, tmp);
 			++i;
 			hptp += 2;
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index 6e62243..e5c6063 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -154,10 +154,10 @@ static pte_t lookup_linux_pte_and_update(pgd_t *pgdir, unsigned long hva,
 	return kvmppc_read_update_linux_pte(ptep, writing, hugepage_shift);
 }
 
-static inline void unlock_hpte(unsigned long *hpte, unsigned long hpte_v)
+static inline void unlock_hpte(__be64 *hpte, unsigned long hpte_v)
 {
 	asm volatile(PPC_RELEASE_BARRIER "" : : : "memory");
-	hpte[0] = hpte_v;
+	hpte[0] = cpu_to_be64(hpte_v);
 }
 
 long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
@@ -166,7 +166,7 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
 {
 	unsigned long i, pa, gpa, gfn, psize;
 	unsigned long slot_fn, hva;
-	unsigned long *hpte;
+	__be64 *hpte;
 	struct revmap_entry *rev;
 	unsigned long g_ptel;
 	struct kvm_memory_slot *memslot;
@@ -275,9 +275,9 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
 		return H_PARAMETER;
 	if (likely((flags & H_EXACT) == 0)) {
 		pte_index &= ~7UL;
-		hpte = (unsigned long *)(kvm->arch.hpt_virt + (pte_index << 4));
+		hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
 		for (i = 0; i < 8; ++i) {
-			if ((*hpte & HPTE_V_VALID) == 0 &&
+			if ((be64_to_cpu(*hpte) & HPTE_V_VALID) == 0 &&
 			    try_lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID |
 					  HPTE_V_ABSENT))
 				break;
@@ -292,11 +292,13 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
 			 */
 			hpte -= 16;
 			for (i = 0; i < 8; ++i) {
+				u64 pte;
 				while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
 					cpu_relax();
-				if (!(*hpte & (HPTE_V_VALID | HPTE_V_ABSENT)))
+				pte = be64_to_cpu(*hpte);
+				if (!(pte & (HPTE_V_VALID | HPTE_V_ABSENT)))
 					break;
-				*hpte &= ~HPTE_V_HVLOCK;
+				*hpte &= ~cpu_to_be64(HPTE_V_HVLOCK);
 				hpte += 2;
 			}
 			if (i == 8)
@@ -304,14 +306,17 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
 		}
 		pte_index += i;
 	} else {
-		hpte = (unsigned long *)(kvm->arch.hpt_virt + (pte_index << 4));
+		hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
 		if (!try_lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID |
 				   HPTE_V_ABSENT)) {
 			/* Lock the slot and check again */
+			u64 pte;
+
 			while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
 				cpu_relax();
-			if (*hpte & (HPTE_V_VALID | HPTE_V_ABSENT)) {
-				*hpte &= ~HPTE_V_HVLOCK;
+			pte = be64_to_cpu(*hpte);
+			if (pte & (HPTE_V_VALID | HPTE_V_ABSENT)) {
+				*hpte &= ~cpu_to_be64(HPTE_V_HVLOCK);
 				return H_PTEG_FULL;
 			}
 		}
@@ -347,11 +352,11 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
 		}
 	}
 
-	hpte[1] = ptel;
+	hpte[1] = cpu_to_be64(ptel);
 
 	/* Write the first HPTE dword, unlocking the HPTE and making it valid */
 	eieio();
-	hpte[0] = pteh;
+	hpte[0] = cpu_to_be64(pteh);
 	asm volatile("ptesync" : : : "memory");
 
 	*pte_idx_ret = pte_index;
@@ -468,30 +473,35 @@ long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
 			unsigned long pte_index, unsigned long avpn,
 			unsigned long *hpret)
 {
-	unsigned long *hpte;
+	__be64 *hpte;
 	unsigned long v, r, rb;
 	struct revmap_entry *rev;
+	u64 pte;
 
 	if (pte_index >= kvm->arch.hpt_npte)
 		return H_PARAMETER;
-	hpte = (unsigned long *)(kvm->arch.hpt_virt + (pte_index << 4));
+	hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
 	while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
 		cpu_relax();
-	if ((hpte[0] & (HPTE_V_ABSENT | HPTE_V_VALID)) == 0 ||
-	    ((flags & H_AVPN) && (hpte[0] & ~0x7fUL) != avpn) ||
-	    ((flags & H_ANDCOND) && (hpte[0] & avpn) != 0)) {
-		hpte[0] &= ~HPTE_V_HVLOCK;
+	pte = be64_to_cpu(hpte[0]);
+	if ((pte & (HPTE_V_ABSENT | HPTE_V_VALID)) == 0 ||
+	    ((flags & H_AVPN) && (pte & ~0x7fUL) != avpn) ||
+	    ((flags & H_ANDCOND) && (pte & avpn) != 0)) {
+		hpte[0] &= ~cpu_to_be64(HPTE_V_HVLOCK);
 		return H_NOT_FOUND;
 	}
 
 	rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
-	v = hpte[0] & ~HPTE_V_HVLOCK;
+	v = pte & ~HPTE_V_HVLOCK;
 	if (v & HPTE_V_VALID) {
-		hpte[0] &= ~HPTE_V_VALID;
-		rb = compute_tlbie_rb(v, hpte[1], pte_index);
+		u64 pte1;
+
+		pte1 = be64_to_cpu(hpte[1]);
+		hpte[0] &= ~cpu_to_be64(HPTE_V_VALID);
+		rb = compute_tlbie_rb(v, pte1, pte_index);
 		do_tlbies(kvm, &rb, 1, global_invalidates(kvm, flags), true);
 		/* Read PTE low word after tlbie to get final R/C values */
-		remove_revmap_chain(kvm, pte_index, rev, v, hpte[1]);
+		remove_revmap_chain(kvm, pte_index, rev, v, pte1);
 	}
 	r = rev->guest_rpte & ~HPTE_GR_RESERVED;
 	note_hpte_modification(kvm, rev);
@@ -514,12 +524,14 @@ long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
 {
 	struct kvm *kvm = vcpu->kvm;
 	unsigned long *args = &vcpu->arch.gpr[4];
-	unsigned long *hp, *hptes[4], tlbrb[4];
+	__be64 *hp, *hptes[4];
+	unsigned long tlbrb[4];
 	long int i, j, k, n, found, indexes[4];
 	unsigned long flags, req, pte_index, rcbits;
 	int global;
 	long int ret = H_SUCCESS;
 	struct revmap_entry *rev, *revs[4];
+	u64 hp0;
 
 	global = global_invalidates(kvm, 0);
 	for (i = 0; i < 4 && ret == H_SUCCESS; ) {
@@ -542,8 +554,7 @@ long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
 				ret = H_PARAMETER;
 				break;
 			}
-			hp = (unsigned long *)
-				(kvm->arch.hpt_virt + (pte_index << 4));
+			hp = (__be64 *) (kvm->arch.hpt_virt + (pte_index << 4));
 			/* to avoid deadlock, don't spin except for first */
 			if (!try_lock_hpte(hp, HPTE_V_HVLOCK)) {
 				if (n)
@@ -552,23 +563,24 @@ long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
 					cpu_relax();
 			}
 			found = 0;
-			if (hp[0] & (HPTE_V_ABSENT | HPTE_V_VALID)) {
+			hp0 = be64_to_cpu(hp[0]);
+			if (hp0 & (HPTE_V_ABSENT | HPTE_V_VALID)) {
 				switch (flags & 3) {
 				case 0:		/* absolute */
 					found = 1;
 					break;
 				case 1:		/* andcond */
-					if (!(hp[0] & args[j + 1]))
+					if (!(hp0 & args[j + 1]))
 						found = 1;
 					break;
 				case 2:		/* AVPN */
-					if ((hp[0] & ~0x7fUL) == args[j + 1])
+					if ((hp0 & ~0x7fUL) == args[j + 1])
 						found = 1;
 					break;
 				}
 			}
 			if (!found) {
-				hp[0] &= ~HPTE_V_HVLOCK;
+				hp[0] &= ~cpu_to_be64(HPTE_V_HVLOCK);
 				args[j] = ((0x90 | flags) << 56) + pte_index;
 				continue;
 			}
@@ -577,7 +589,7 @@ long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
 			rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
 			note_hpte_modification(kvm, rev);
 
-			if (!(hp[0] & HPTE_V_VALID)) {
+			if (!(hp0 & HPTE_V_VALID)) {
 				/* insert R and C bits from PTE */
 				rcbits = rev->guest_rpte & (HPTE_R_R|HPTE_R_C);
 				args[j] |= rcbits << (56 - 5);
@@ -585,8 +597,10 @@ long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
 				continue;
 			}
 
-			hp[0] &= ~HPTE_V_VALID;		/* leave it locked */
-			tlbrb[n] = compute_tlbie_rb(hp[0], hp[1], pte_index);
+			/* leave it locked */
+			hp[0] &= ~cpu_to_be64(HPTE_V_VALID);
+			tlbrb[n] = compute_tlbie_rb(be64_to_cpu(hp[0]),
+				be64_to_cpu(hp[1]), pte_index);
 			indexes[n] = j;
 			hptes[n] = hp;
 			revs[n] = rev;
@@ -605,7 +619,8 @@ long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
 			pte_index = args[j] & ((1ul << 56) - 1);
 			hp = hptes[k];
 			rev = revs[k];
-			remove_revmap_chain(kvm, pte_index, rev, hp[0], hp[1]);
+			remove_revmap_chain(kvm, pte_index, rev,
+				be64_to_cpu(hp[0]), be64_to_cpu(hp[1]));
 			rcbits = rev->guest_rpte & (HPTE_R_R|HPTE_R_C);
 			args[j] |= rcbits << (56 - 5);
 			hp[0] = 0;
@@ -620,23 +635,25 @@ long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags,
 		      unsigned long va)
 {
 	struct kvm *kvm = vcpu->kvm;
-	unsigned long *hpte;
+	__be64 *hpte;
 	struct revmap_entry *rev;
 	unsigned long v, r, rb, mask, bits;
+	u64 pte;
 
 	if (pte_index >= kvm->arch.hpt_npte)
 		return H_PARAMETER;
 
-	hpte = (unsigned long *)(kvm->arch.hpt_virt + (pte_index << 4));
+	hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
 	while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
 		cpu_relax();
-	if ((hpte[0] & (HPTE_V_ABSENT | HPTE_V_VALID)) == 0 ||
-	    ((flags & H_AVPN) && (hpte[0] & ~0x7fUL) != avpn)) {
-		hpte[0] &= ~HPTE_V_HVLOCK;
+	pte = be64_to_cpu(hpte[0]);
+	if ((pte & (HPTE_V_ABSENT | HPTE_V_VALID)) == 0 ||
+	    ((flags & H_AVPN) && (pte & ~0x7fUL) != avpn)) {
+		hpte[0] &= ~cpu_to_be64(HPTE_V_HVLOCK);
 		return H_NOT_FOUND;
 	}
 
-	v = hpte[0];
+	v = pte;
 	bits = (flags << 55) & HPTE_R_PP0;
 	bits |= (flags << 48) & HPTE_R_KEY_HI;
 	bits |= flags & (HPTE_R_PP | HPTE_R_N | HPTE_R_KEY_LO);
@@ -650,12 +667,12 @@ long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags,
 		rev->guest_rpte = r;
 		note_hpte_modification(kvm, rev);
 	}
-	r = (hpte[1] & ~mask) | bits;
+	r = (be64_to_cpu(hpte[1]) & ~mask) | bits;
 
 	/* Update HPTE */
 	if (v & HPTE_V_VALID) {
 		rb = compute_tlbie_rb(v, r, pte_index);
-		hpte[0] = v & ~HPTE_V_VALID;
+		hpte[0] = cpu_to_be64(v & ~HPTE_V_VALID);
 		do_tlbies(kvm, &rb, 1, global_invalidates(kvm, flags), true);
 		/*
 		 * If the host has this page as readonly but the guest
@@ -681,9 +698,9 @@ long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags,
 			}
 		}
 	}
-	hpte[1] = r;
+	hpte[1] = cpu_to_be64(r);
 	eieio();
-	hpte[0] = v & ~HPTE_V_HVLOCK;
+	hpte[0] = cpu_to_be64(v & ~HPTE_V_HVLOCK);
 	asm volatile("ptesync" : : : "memory");
 	return H_SUCCESS;
 }
@@ -692,7 +709,8 @@ long kvmppc_h_read(struct kvm_vcpu *vcpu, unsigned long flags,
 		   unsigned long pte_index)
 {
 	struct kvm *kvm = vcpu->kvm;
-	unsigned long *hpte, v, r;
+	__be64 *hpte;
+	unsigned long v, r;
 	int i, n = 1;
 	struct revmap_entry *rev = NULL;
 
@@ -704,9 +722,9 @@ long kvmppc_h_read(struct kvm_vcpu *vcpu, unsigned long flags,
 	}
 	rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
 	for (i = 0; i < n; ++i, ++pte_index) {
-		hpte = (unsigned long *)(kvm->arch.hpt_virt + (pte_index << 4));
-		v = hpte[0] & ~HPTE_V_HVLOCK;
-		r = hpte[1];
+		hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+		v = be64_to_cpu(hpte[0]) & ~HPTE_V_HVLOCK;
+		r = be64_to_cpu(hpte[1]);
 		if (v & HPTE_V_ABSENT) {
 			v &= ~HPTE_V_ABSENT;
 			v |= HPTE_V_VALID;
@@ -721,25 +739,27 @@ long kvmppc_h_read(struct kvm_vcpu *vcpu, unsigned long flags,
 	return H_SUCCESS;
 }
 
-void kvmppc_invalidate_hpte(struct kvm *kvm, unsigned long *hptep,
+void kvmppc_invalidate_hpte(struct kvm *kvm, __be64 *hptep,
 			unsigned long pte_index)
 {
 	unsigned long rb;
 
-	hptep[0] &= ~HPTE_V_VALID;
-	rb = compute_tlbie_rb(hptep[0], hptep[1], pte_index);
+	hptep[0] &= ~cpu_to_be64(HPTE_V_VALID);
+	rb = compute_tlbie_rb(be64_to_cpu(hptep[0]), be64_to_cpu(hptep[1]),
+			      pte_index);
 	do_tlbies(kvm, &rb, 1, 1, true);
 }
 EXPORT_SYMBOL_GPL(kvmppc_invalidate_hpte);
 
-void kvmppc_clear_ref_hpte(struct kvm *kvm, unsigned long *hptep,
+void kvmppc_clear_ref_hpte(struct kvm *kvm, __be64 *hptep,
 			   unsigned long pte_index)
 {
 	unsigned long rb;
 	unsigned char rbyte;
 
-	rb = compute_tlbie_rb(hptep[0], hptep[1], pte_index);
-	rbyte = (hptep[1] & ~HPTE_R_R) >> 8;
+	rb = compute_tlbie_rb(be64_to_cpu(hptep[0]), be64_to_cpu(hptep[1]),
+			      pte_index);
+	rbyte = (be64_to_cpu(hptep[1]) & ~HPTE_R_R) >> 8;
 	/* modify only the second-last byte, which contains the ref bit */
 	*((char *)hptep + 14) = rbyte;
 	do_tlbies(kvm, &rb, 1, 1, false);
@@ -765,7 +785,7 @@ long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, unsigned long slb_v,
 	unsigned long somask;
 	unsigned long vsid, hash;
 	unsigned long avpn;
-	unsigned long *hpte;
+	__be64 *hpte;
 	unsigned long mask, val;
 	unsigned long v, r;
 
@@ -797,11 +817,11 @@ long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, unsigned long slb_v,
 	val |= avpn;
 
 	for (;;) {
-		hpte = (unsigned long *)(kvm->arch.hpt_virt + (hash << 7));
+		hpte = (__be64 *)(kvm->arch.hpt_virt + (hash << 7));
 
 		for (i = 0; i < 16; i += 2) {
 			/* Read the PTE racily */
-			v = hpte[i] & ~HPTE_V_HVLOCK;
+			v = be64_to_cpu(hpte[i]) & ~HPTE_V_HVLOCK;
 
 			/* Check valid/absent, hash, segment size and AVPN */
 			if (!(v & valid) || (v & mask) != val)
@@ -810,8 +830,8 @@ long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, unsigned long slb_v,
 			/* Lock the PTE and read it under the lock */
 			while (!try_lock_hpte(&hpte[i], HPTE_V_HVLOCK))
 				cpu_relax();
-			v = hpte[i] & ~HPTE_V_HVLOCK;
-			r = hpte[i+1];
+			v = be64_to_cpu(hpte[i]) & ~HPTE_V_HVLOCK;
+			r = be64_to_cpu(hpte[i+1]);
 
 			/*
 			 * Check the HPTE again, including large page size
@@ -825,7 +845,7 @@ long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, unsigned long slb_v,
 				return (hash << 3) + (i >> 1);
 
 			/* Unlock and move on */
-			hpte[i] = v;
+			hpte[i] = cpu_to_be64(v);
 		}
 
 		if (val & HPTE_V_SECONDARY)
@@ -854,7 +874,7 @@ long kvmppc_hpte_hv_fault(struct kvm_vcpu *vcpu, unsigned long addr,
 	struct kvm *kvm = vcpu->kvm;
 	long int index;
 	unsigned long v, r, gr;
-	unsigned long *hpte;
+	__be64 *hpte;
 	unsigned long valid;
 	struct revmap_entry *rev;
 	unsigned long pp, key;
@@ -870,9 +890,9 @@ long kvmppc_hpte_hv_fault(struct kvm_vcpu *vcpu, unsigned long addr,
 			return status;	/* there really was no HPTE */
 		return 0;		/* for prot fault, HPTE disappeared */
 	}
-	hpte = (unsigned long *)(kvm->arch.hpt_virt + (index << 4));
-	v = hpte[0] & ~HPTE_V_HVLOCK;
-	r = hpte[1];
+	hpte = (__be64 *)(kvm->arch.hpt_virt + (index << 4));
+	v = be64_to_cpu(hpte[0]) & ~HPTE_V_HVLOCK;
+	r = be64_to_cpu(hpte[1]);
 	rev = real_vmalloc_addr(&kvm->arch.revmap[index]);
 	gr = rev->guest_rpte;
 
