diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-06-17 21:03:00 +0300 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-06-18 00:48:35 +0200 |
| commit | beff0d0f6121f6a2a818a050a1e4d91706b3f190 (patch) | |
| tree | 46b84c371dc7ebddfe45c90b07a9893dad0a2dd0 /kernel | |
| parent | drm/i915: Replaced Blitter ring based flips with MMIO flips (diff) | |
drm/i915: Don't prefault the entire obj if the vma is smaller
Take the minimum of the object size and the vma size and prefault
only that much. Avoids a SIGBUS when mmapping only a portion of the
object.
Prefaulting was introduced here:
commit b90b91d87038f6b257b40a02b42ed4f9705e06f0
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Jun 10 12:14:40 2014 +0100
drm/i915: Prefault the entire object on first page fault
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Testcase: igt/gem_mmap/short-mmap
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions