diff options
Diffstat (limited to 'arch/microblaze/include/asm/pgtable.h')
| -rw-r--r-- | arch/microblaze/include/asm/pgtable.h | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index cae268c22ba..885574a73f0 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -411,20 +411,19 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) static inline unsigned long pte_update(pte_t *p, unsigned long clr, unsigned long set) { - unsigned long old, tmp, msr; - - __asm__ __volatile__("\ - msrclr %2, 0x2\n\ - nop\n\ - lw %0, %4, r0\n\ - andn %1, %0, %5\n\ - or %1, %1, %6\n\ - sw %1, %4, r0\n\ - mts rmsr, %2\n\ - nop" - : "=&r" (old), "=&r" (tmp), "=&r" (msr), "=m" (*p) - : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set), "m" (*p) - : "cc"); + unsigned long flags, old, tmp; + + raw_local_irq_save(flags); + + __asm__ __volatile__( "lw %0, %2, r0 \n" + "andn %1, %0, %3 \n" + "or %1, %1, %4 \n" + "sw %1, %2, r0 \n" + : "=&r" (old), "=&r" (tmp) + : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set) + : "cc"); + + raw_local_irq_restore(flags); return old; } @@ -444,8 +443,9 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, *ptep = pte; } -static inline int ptep_test_and_clear_young(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG +static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep) { return (pte_update(ptep, _PAGE_ACCESSED, 0) & _PAGE_ACCESSED) != 0; } @@ -457,6 +457,7 @@ static inline int ptep_test_and_clear_dirty(struct mm_struct *mm, (_PAGE_DIRTY | _PAGE_HWWRITE), 0) & _PAGE_DIRTY) != 0; } +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { |