diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
-rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 65b7b65e8708..62bf5e8e78da 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c | |||
@@ -510,7 +510,8 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, | |||
510 | } | 510 | } |
511 | 511 | ||
512 | unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, | 512 | unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, |
513 | pmd_t *pmdp, unsigned long clr) | 513 | pmd_t *pmdp, unsigned long clr, |
514 | unsigned long set) | ||
514 | { | 515 | { |
515 | 516 | ||
516 | unsigned long old, tmp; | 517 | unsigned long old, tmp; |
@@ -526,14 +527,15 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, | |||
526 | andi. %1,%0,%6\n\ | 527 | andi. %1,%0,%6\n\ |
527 | bne- 1b \n\ | 528 | bne- 1b \n\ |
528 | andc %1,%0,%4 \n\ | 529 | andc %1,%0,%4 \n\ |
530 | or %1,%1,%7\n\ | ||
529 | stdcx. %1,0,%3 \n\ | 531 | stdcx. %1,0,%3 \n\ |
530 | bne- 1b" | 532 | bne- 1b" |
531 | : "=&r" (old), "=&r" (tmp), "=m" (*pmdp) | 533 | : "=&r" (old), "=&r" (tmp), "=m" (*pmdp) |
532 | : "r" (pmdp), "r" (clr), "m" (*pmdp), "i" (_PAGE_BUSY) | 534 | : "r" (pmdp), "r" (clr), "m" (*pmdp), "i" (_PAGE_BUSY), "r" (set) |
533 | : "cc" ); | 535 | : "cc" ); |
534 | #else | 536 | #else |
535 | old = pmd_val(*pmdp); | 537 | old = pmd_val(*pmdp); |
536 | *pmdp = __pmd(old & ~clr); | 538 | *pmdp = __pmd((old & ~clr) | set); |
537 | #endif | 539 | #endif |
538 | if (old & _PAGE_HASHPTE) | 540 | if (old & _PAGE_HASHPTE) |
539 | hpte_do_hugepage_flush(mm, addr, pmdp); | 541 | hpte_do_hugepage_flush(mm, addr, pmdp); |
@@ -708,7 +710,7 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, | |||
708 | void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, | 710 | void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, |
709 | pmd_t *pmdp) | 711 | pmd_t *pmdp) |
710 | { | 712 | { |
711 | pmd_hugepage_update(vma->vm_mm, address, pmdp, _PAGE_PRESENT); | 713 | pmd_hugepage_update(vma->vm_mm, address, pmdp, _PAGE_PRESENT, 0); |
712 | } | 714 | } |
713 | 715 | ||
714 | /* | 716 | /* |
@@ -835,7 +837,7 @@ pmd_t pmdp_get_and_clear(struct mm_struct *mm, | |||
835 | unsigned long old; | 837 | unsigned long old; |
836 | pgtable_t *pgtable_slot; | 838 | pgtable_t *pgtable_slot; |
837 | 839 | ||
838 | old = pmd_hugepage_update(mm, addr, pmdp, ~0UL); | 840 | old = pmd_hugepage_update(mm, addr, pmdp, ~0UL, 0); |
839 | old_pmd = __pmd(old); | 841 | old_pmd = __pmd(old); |
840 | /* | 842 | /* |
841 | * We have pmd == none and we are holding page_table_lock. | 843 | * We have pmd == none and we are holding page_table_lock. |