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| author | Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com> | 2012-10-03 17:15:26 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-04 10:33:42 +0200 |
| commit | e79e0fe380847493266fba557217e2773c61bd1b (patch) | |
| tree | 97e55deebc73b06739e28811f592e5ca6231065c /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py | |
| parent | 2477367083b3eaa97f87993ab26627a02f350551 (diff) | |
drm/i915: EBUSY status handling added to i915_gem_fault().
Subsequent threads returning EBUSY from vm_insert_pfn() was not handled
correctly. As a result concurrent access from new threads to
mmapped data caused SIGBUS.
Note that this fixes i-g-t/tests/gem_threaded_tiled_access.
Tested-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py')
0 files changed, 0 insertions, 0 deletions