Rob Clark 505886d506 drm/msm: EBUSY status handling in msm_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.

See e79e0fe3

Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: David Brown <davidb@codeaurora.org>

2013-11-01 12:39:45 -04:00

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