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authorDavid S. Miller <davem@sunset.davemloft.net>2006-03-21 02:29:39 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-22 01:15:13 -0800
commit14778d9072e53d2171f66ffd9657daff41acfaed (patch)
tree3b60565ec1e957800fc3bf4743497202a24f8279 /arch/sparc64/kernel
parente952f31bce6e9f64db01f607abc46529ba57ac9e (diff)
[SPARC]: Respect vm_page_prot in io_remap_page_range().
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>
Diffstat (limited to 'arch/sparc64/kernel')
-rw-r--r--arch/sparc64/kernel/pci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 95ffa941862..dfccff29e18 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -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;
}