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remove checks that make ppc64 not work properly... also fix ppc64 check..

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we should be safe doing this..
This commit is contained in:
Dave Airlie 2005-08-20 07:33:07 +00:00
parent 2e9bd9ac18
commit d12768f79a
1 changed files with 9 additions and 10 deletions
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19
linux-core/drm_vm.c
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@ -634,18 +634,17 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma)
/* fall through to _DRM_FRAME_BUFFER... */
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
if (map->offset >= __pa(high_memory)) {
#if defined(__i386__) || defined(__x86_64__)
if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) {
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
}
#elif defined(__powerpc__)
pgprot_val(vma->vm_page_prot) |=
_PAGE_NO_CACHE | _PAGE_GUARDED;
#endif
vma->vm_flags |= VM_IO; /* not in core dump */
if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) {
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
}
#elif defined(__powerpc__)
pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
if (map->type == _DRM_REGISTERS)
pgprot_val(vma->vm_page_prot) |= _PAGE_GUARDED;
#endif
vma->vm_flags |= VM_IO; /* not in core dump */
#if defined(__ia64__)
if (efi_range_is_wc(vma->vm_start, vma->vm_end -
vma->vm_start))