From: Rob Clark <robdclark@gmail.com>
Date: Sun, 20 Oct 2013 15:57:52 +0000 (-0400)
Subject: drm/msm: EBUSY status handling in msm_gem_fault()
X-Git-Tag: v3.13-rc1~76^2~9^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=505886d50633385f57e8e2b14fbb636cecb50297;p=pandora-kernel.git

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>
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