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| author | Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com> | 2012-10-03 17:15:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-20 13:05:00 -0700 |
| commit | 81da76ae314c66e32b8c06b0ce155a5b61670dd7 (patch) | |
| tree | 360ac46ec63c1a9fed6e2b255a895643b8dab47b /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | cb505e2eb68fe9e22afa220bf172f6aa090b7dca (diff) | |
drm/i915: EBUSY status handling added to i915_gem_fault().
commit e79e0fe380847493266fba557217e2773c61bd1b upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions