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-rw-r--r--arch/powerpc/mm/book3s64/hash_utils.c7
-rw-r--r--arch/powerpc/mm/book3s64/iommu_api.c2
-rw-r--r--arch/powerpc/mm/book3s64/pgtable.c2
-rw-r--r--arch/powerpc/mm/book3s64/pkeys.c3
-rw-r--r--arch/powerpc/mm/hugetlbpage.c2
5 files changed, 12 insertions, 4 deletions
diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index ad2afa08e6..0626a25b0d 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -310,9 +310,16 @@ unsigned long htab_convert_pte_flags(unsigned long pteflags, unsigned long flags
else
rflags |= 0x3;
}
+ VM_WARN_ONCE(!(pteflags & _PAGE_RWX), "no-access mapping request");
} else {
if (pteflags & _PAGE_RWX)
rflags |= 0x2;
+ /*
+ * We should never hit this in normal fault handling because
+ * a permission check (check_pte_access()) will bubble this
+ * to higher level linux handler even for PAGE_NONE.
+ */
+ VM_WARN_ONCE(!(pteflags & _PAGE_RWX), "no-access mapping request");
if (!((pteflags & _PAGE_WRITE) && (pteflags & _PAGE_DIRTY)))
rflags |= 0x1;
}
diff --git a/arch/powerpc/mm/book3s64/iommu_api.c b/arch/powerpc/mm/book3s64/iommu_api.c
index d19fb1f300..c0e8d597e4 100644
--- a/arch/powerpc/mm/book3s64/iommu_api.c
+++ b/arch/powerpc/mm/book3s64/iommu_api.c
@@ -97,7 +97,7 @@ static long mm_iommu_do_alloc(struct mm_struct *mm, unsigned long ua,
}
mmap_read_lock(mm);
- chunk = (1UL << (PAGE_SHIFT + MAX_ORDER)) /
+ chunk = (1UL << (PAGE_SHIFT + MAX_PAGE_ORDER)) /
sizeof(struct vm_area_struct *);
chunk = min(chunk, entries);
for (entry = 0; entry < entries; entry += chunk) {
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c
index 3438ab72c3..d975fb5d7c 100644
--- a/arch/powerpc/mm/book3s64/pgtable.c
+++ b/arch/powerpc/mm/book3s64/pgtable.c
@@ -130,7 +130,7 @@ void set_pud_at(struct mm_struct *mm, unsigned long addr,
WARN_ON(pte_hw_valid(pud_pte(*pudp)));
assert_spin_locked(pud_lockptr(mm, pudp));
- WARN_ON(!(pud_large(pud)));
+ WARN_ON(!(pud_leaf(pud)));
#endif
trace_hugepage_set_pud(addr, pud_val(pud));
return set_pte_at(mm, addr, pudp_ptep(pudp), pud_pte(pud));
diff --git a/arch/powerpc/mm/book3s64/pkeys.c b/arch/powerpc/mm/book3s64/pkeys.c
index 1257339620..a974baf8f3 100644
--- a/arch/powerpc/mm/book3s64/pkeys.c
+++ b/arch/powerpc/mm/book3s64/pkeys.c
@@ -89,7 +89,8 @@ static int __init scan_pkey_feature(void)
unsigned long pvr = mfspr(SPRN_PVR);
if (PVR_VER(pvr) == PVR_POWER8 || PVR_VER(pvr) == PVR_POWER8E ||
- PVR_VER(pvr) == PVR_POWER8NVL || PVR_VER(pvr) == PVR_POWER9)
+ PVR_VER(pvr) == PVR_POWER8NVL || PVR_VER(pvr) == PVR_POWER9 ||
+ PVR_VER(pvr) == PVR_HX_C2000)
pkeys_total = 32;
}
}
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index f7c683b672..0a540b37aa 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -615,7 +615,7 @@ void __init gigantic_hugetlb_cma_reserve(void)
order = mmu_psize_to_shift(MMU_PAGE_16G) - PAGE_SHIFT;
if (order) {
- VM_WARN_ON(order <= MAX_ORDER);
+ VM_WARN_ON(order <= MAX_PAGE_ORDER);
hugetlb_cma_reserve(order);
}
}