diff options
Diffstat (limited to 'arch/um/kernel/skas/tlb.c')
-rw-r--r-- | arch/um/kernel/skas/tlb.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/um/kernel/skas/tlb.c b/arch/um/kernel/skas/tlb.c index c43901aa9368..b3d722ddde31 100644 --- a/arch/um/kernel/skas/tlb.c +++ b/arch/um/kernel/skas/tlb.c @@ -27,9 +27,9 @@ static int do_ops(union mm_context *mmu, struct host_vm_op *ops, int last, switch(op->type){ case MMAP: ret = map(&mmu->skas.id, op->u.mmap.addr, - op->u.mmap.len, op->u.mmap.r, op->u.mmap.w, - op->u.mmap.x, op->u.mmap.fd, - op->u.mmap.offset, finished, flush); + op->u.mmap.len, op->u.mmap.prot, + op->u.mmap.fd, op->u.mmap.offset, finished, + flush); break; case MUNMAP: ret = unmap(&mmu->skas.id, op->u.munmap.addr, @@ -37,8 +37,7 @@ static int do_ops(union mm_context *mmu, struct host_vm_op *ops, int last, break; case MPROTECT: ret = protect(&mmu->skas.id, op->u.mprotect.addr, - op->u.mprotect.len, op->u.mprotect.r, - op->u.mprotect.w, op->u.mprotect.x, + op->u.mprotect.len, op->u.mprotect.prot, finished, flush); break; default: @@ -102,10 +101,10 @@ void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address) pte_t *pte; struct mm_struct *mm = vma->vm_mm; void *flush = NULL; - int r, w, x, err = 0; + int r, w, x, prot, err = 0; struct mm_id *mm_id; - pgd = pgd_offset(vma->vm_mm, address); + pgd = pgd_offset(mm, address); if(!pgd_present(*pgd)) goto kill; @@ -130,19 +129,21 @@ void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address) } mm_id = &mm->context.skas.id; + prot = ((r ? UM_PROT_READ : 0) | (w ? UM_PROT_WRITE : 0) | + (x ? UM_PROT_EXEC : 0)); if(pte_newpage(*pte)){ if(pte_present(*pte)){ unsigned long long offset; int fd; fd = phys_mapping(pte_val(*pte) & PAGE_MASK, &offset); - err = map(mm_id, address, PAGE_SIZE, r, w, x, fd, - offset, 1, &flush); + err = map(mm_id, address, PAGE_SIZE, prot, fd, offset, + 1, &flush); } else err = unmap(mm_id, address, PAGE_SIZE, 1, &flush); } else if(pte_newprot(*pte)) - err = protect(mm_id, address, PAGE_SIZE, r, w, x, 1, &flush); + err = protect(mm_id, address, PAGE_SIZE, prot, 1, &flush); if(err) goto kill; |