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(parent: be4f235) | patch
drm/omap: EBUSY status handling in omap_gem_fault()
authorRob Clark <robdclark@gmail.com>
Sun, 20 Oct 2013 16:07:42 +0000 (12:07 -0400)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Thu, 3 Mar 2016 15:36:43 +0000 (17:36 +0200)
commite1d4ee0f2b8dd77f67798544f58ce4bee4fdddf9
treec5a87d02e589680daa904cea6b6aadf6d96f49cbtree | snapshot
parentbe4f235c43f06ae749b8f99b04f899d1e9bd561ecommit | diff
drm/omap: EBUSY status handling in omap_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 e79e0fe380847493266fba557217e2773c61bd1b ("drm/i915: EBUSY status
handling added to i915_gem_fault()").

Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
drivers/gpu/drm/omapdrm/omap_gem.c diff | blob | history
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