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| author |   David S. Miller <davem@sunset.davemloft.net> | 2006-03-21 02:29:39 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-22 01:15:13 -0800 |
| commit | 14778d9072e53d2171f66ffd9657daff41acfaed (patch) | |
| tree | 3b60565ec1e957800fc3bf4743497202a24f8279 /drivers/char | |
| parent | Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 (diff) | |
| download | linux-dev-14778d9072e53d2171f66ffd9657daff41acfaed.tar.xz linux-dev-14778d9072e53d2171f66ffd9657daff41acfaed.zip | |
[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 'drivers/char')
| -rw-r--r-- | drivers/char/drm/drm_vm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index 0291cd62c69f..ffd0800ed601 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -619,6 +619,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) #endif offset = dev->driver->get_reg_ofs(dev); #ifdef __sparc__ + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); if (io_remap_pfn_range(DRM_RPR_ARG(vma) vma->vm_start, (map->offset + offset) >> PAGE_SHIFT, vma->vm_end - vma->vm_start, |