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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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2
arch/sparc64/kernel/pci.c
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@@ -656,6 +656,7 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
__pci_mmap_set_flags(dev, vma, mmap_state);
__pci_mmap_set_pgprot(dev, vma, mmap_state);
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
ret = io_remap_pfn_range(vma, vma->vm_start,
vma->vm_pgoff,
vma->vm_end - vma->vm_start,
@@ -663,7 +664,6 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
if (ret)
return ret;
vma->vm_flags |= VM_IO;
return 0;
}