diff options
Diffstat (limited to 'arch/sparc/mm/sun4c.c')
| -rw-r--r-- | arch/sparc/mm/sun4c.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index fa8105d57..d6387d473 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -1,4 +1,4 @@ -/* $Id: sun4c.c,v 1.171 1998/09/21 05:05:41 jj Exp $ +/* $Id: sun4c.c,v 1.173 1999/01/17 02:20:37 davem Exp $ * sun4c.c: Doing in software what should be done in hardware. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) @@ -2688,6 +2688,10 @@ static void sun4c_vac_alias_fixup(struct vm_area_struct *vma, unsigned long addr unsigned long vaddr = vmaring->vm_start + offset; unsigned long start; + /* Do not mistake ourselves as another mapping. */ + if(vmaring == vma) + continue; + if (S4CVAC_BADALIAS(vaddr, address)) { alias_found++; start = vmaring->vm_start; @@ -2699,8 +2703,8 @@ static void sun4c_vac_alias_fixup(struct vm_area_struct *vma, unsigned long addr if(pte_val(*ptep) & _SUN4C_PAGE_PRESENT) { flush_cache_page(vmaring, start); - pte_val(*ptep) = (pte_val(*ptep) | - _SUN4C_PAGE_NOCACHE); + *ptep = __pte(pte_val(*ptep) | + _SUN4C_PAGE_NOCACHE); flush_tlb_page(vmaring, start); } next: @@ -2712,7 +2716,7 @@ static void sun4c_vac_alias_fixup(struct vm_area_struct *vma, unsigned long addr if(alias_found && !(pte_val(pte) & _SUN4C_PAGE_NOCACHE)) { pgdp = sun4c_pgd_offset(vma->vm_mm, address); ptep = sun4c_pte_offset((pmd_t *) pgdp, address); - pte_val(*ptep) = (pte_val(*ptep) | _SUN4C_PAGE_NOCACHE); + *ptep = __pte(pte_val(*ptep) | _SUN4C_PAGE_NOCACHE); pte = pte_val(*ptep); } } |