powerpc: Fix compile errors with STRICT_MM_TYPECHECKS enabled

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[mpe: Fix the 32-bit code also]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index 2a244bf..14619a5 100644 (file)
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -290,11 +290,11 @@ static inline pte_t kvmppc_read_update_linux_pte(pte_t *ptep, int writing,
        pte_t old_pte, new_pte = __pte(0);
 
        while (1) {
-               old_pte = pte_val(*ptep);
+               old_pte = *ptep;
                /*
                 * wait until _PAGE_BUSY is clear then set it atomically
                 */
-               if (unlikely(old_pte & _PAGE_BUSY)) {
+               if (unlikely(pte_val(old_pte) & _PAGE_BUSY)) {
                        cpu_relax();
                        continue;
                }
@@ -305,16 +305,18 @@ static inline pte_t kvmppc_read_update_linux_pte(pte_t *ptep, int writing,
                        return __pte(0);
 #endif
                /* If pte is not present return None */
-               if (unlikely(!(old_pte & _PAGE_PRESENT)))
+               if (unlikely(!(pte_val(old_pte) & _PAGE_PRESENT)))
                        return __pte(0);
 
                new_pte = pte_mkyoung(old_pte);
                if (writing && pte_write(old_pte))
                        new_pte = pte_mkdirty(new_pte);
 
-               if (old_pte == __cmpxchg_u64((unsigned long *)ptep, old_pte,
-                                            new_pte))
+               if (pte_val(old_pte) == __cmpxchg_u64((unsigned long *)ptep,
+                                                     pte_val(old_pte),
+                                                     pte_val(new_pte))) {
                        break;
+               }
        }
        return new_pte;
 }

diff --git a/arch/powerpc/mm/dma-noncoherent.c b/arch/powerpc/mm/dma-noncoherent.c
index d85e86a..169aba4 100644 (file)
--- a/arch/powerpc/mm/dma-noncoherent.c
+++ b/arch/powerpc/mm/dma-noncoherent.c
@@ -228,7 +228,7 @@ __dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t
                do {
                        SetPageReserved(page);
                        map_page(vaddr, page_to_phys(page),
-                                pgprot_noncached(PAGE_KERNEL));
+                                pgprot_val(pgprot_noncached(PAGE_KERNEL)));
                        page++;
                        vaddr += PAGE_SIZE;
                } while (size -= PAGE_SIZE);

diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c
index b46912f..9c90e66 100644 (file)
--- a/arch/powerpc/mm/fsl_booke_mmu.c
+++ b/arch/powerpc/mm/fsl_booke_mmu.c
@@ -181,7 +181,7 @@ static unsigned long map_mem_in_cams_addr(phys_addr_t phys, unsigned long virt,
                unsigned long cam_sz;
 
                cam_sz = calc_cam_sz(ram, virt, phys);
-               settlbcam(i, virt, phys, cam_sz, PAGE_KERNEL_X, 0);
+               settlbcam(i, virt, phys, cam_sz, pgprot_val(PAGE_KERNEL_X), 0);
 
                ram -= cam_sz;
                amount_mapped += cam_sz;

diff --git a/arch/powerpc/mm/hugepage-hash64.c b/arch/powerpc/mm/hugepage-hash64.c
index 8668651..43dafb9 100644 (file)
--- a/arch/powerpc/mm/hugepage-hash64.c
+++ b/arch/powerpc/mm/hugepage-hash64.c
@@ -33,7 +33,7 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid,
         * atomically mark the linux large page PMD busy and dirty
         */
        do {
-               pmd_t pmd = ACCESS_ONCE(*pmdp);
+               pmd_t pmd = READ_ONCE(*pmdp);
 
                old_pmd = pmd_val(pmd);
                /* If PMD busy, retry the access */

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 7e408bf..fa9d5c2 100644 (file)
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -964,7 +964,7 @@ pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, unsigned *shift
                *shift = 0;
 
        pgdp = pgdir + pgd_index(ea);
-       pgd  = ACCESS_ONCE(*pgdp);
+       pgd  = READ_ONCE(*pgdp);
        /*
         * Always operate on the local stack value. This make sure the
         * value don't get updated by a parallel THP split/collapse,
@@ -1045,7 +1045,7 @@ int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr,
        if (pte_end < end)
                end = pte_end;
 
-       pte = ACCESS_ONCE(*ptep);
+       pte = READ_ONCE(*ptep);
        mask = _PAGE_PRESENT | _PAGE_USER;
        if (write)
                mask |= _PAGE_RW;

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 1bc1762..70b4752 100644 (file)
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -189,7 +189,7 @@ __ioremap_caller(phys_addr_t addr, unsigned long size, unsigned long flags,
 
        /* Make sure we have the base flags */
        if ((flags & _PAGE_PRESENT) == 0)
-               flags |= PAGE_KERNEL;
+               flags |= pgprot_val(PAGE_KERNEL);
 
        /* Non-cacheable page cannot be coherent */
        if (flags & _PAGE_NO_CACHE)
@@ -324,7 +324,7 @@ void __init __mapin_ram_chunk(unsigned long offset, unsigned long top)
        p = memstart_addr + s;
        for (; s < top; s += PAGE_SIZE) {
                ktext = ((char *) v >= _stext && (char *) v < etext);
-               f = ktext ? PAGE_KERNEL_TEXT : PAGE_KERNEL;
+               f = ktext ? pgprot_val(PAGE_KERNEL_TEXT) : pgprot_val(PAGE_KERNEL);
                map_page(v, p, f);
 #ifdef CONFIG_PPC_STD_MMU_32
                if (ktext)

diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 6957cc1..3ac3a0a 100644 (file)
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -723,7 +723,7 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr,
        assert_spin_locked(&mm->page_table_lock);
        WARN_ON(!pmd_trans_huge(pmd));
 #endif
-       trace_hugepage_set_pmd(addr, pmd);
+       trace_hugepage_set_pmd(addr, pmd_val(pmd));
        return set_pte_at(mm, addr, pmdp_ptep(pmdp), pmd_pte(pmd));
 }
 

diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
index d2a94b8..c522969 100644 (file)
--- a/arch/powerpc/mm/tlb_hash64.c
+++ b/arch/powerpc/mm/tlb_hash64.c
@@ -216,7 +216,7 @@ void __flush_hash_table_range(struct mm_struct *mm, unsigned long start,
                        continue;
                pte = pte_val(*ptep);
                if (hugepage_shift)
-                       trace_hugepage_invalidate(start, pte_val(pte));
+                       trace_hugepage_invalidate(start, pte);
                if (!(pte & _PAGE_HASHPTE))
                        continue;
                if (unlikely(hugepage_shift && pmd_trans_huge(*(pmd_t *)pte)))