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[SPARC]: Respect vm_page_prot in io_remap_page_range().

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Make sure the callers do a pgprot_noncached() on
vma->vm_page_prot.

Pointed out by Hugh Dickens.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-03-21 02:29:39 -08:00
parent e952f31bce
commit 14778d9072
11 changed files with 29 additions and 21 deletions
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3
drivers/sbus/char/flash.c
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@@ -71,9 +71,8 @@ flash_mmap(struct file *file, struct vm_area_struct *vma)
if (vma->vm_end - (vma->vm_start + (vma->vm_pgoff << PAGE_SHIFT)) > size)
size = vma->vm_end - (vma->vm_start + (vma->vm_pgoff << PAGE_SHIFT));
pgprot_val(vma->vm_page_prot) &= ~(_PAGE_CACHE);
pgprot_val(vma->vm_page_prot) |= _PAGE_E;
vma->vm_flags |= (VM_SHM | VM_LOCKED);
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
if (io_remap_pfn_range(vma, vma->vm_start, addr, size, vma->vm_page_prot))
return -EAGAIN;