From 505886d50633385f57e8e2b14fbb636cecb50297 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@gmail.com>
Date: Sun, 20 Oct 2013 11:57:52 -0400
Subject: [PATCH] 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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