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(parent: 003f6c9) | patch
drm/ttm: request zeroed system memory pages for new TT buffer objects
authorBen Skeggs <bskeggs@redhat.com>
Tue, 13 Sep 2011 20:08:06 +0000 (06:08 +1000)
committerDave Airlie <airlied@redhat.com>
Wed, 14 Sep 2011 12:34:51 +0000 (13:34 +0100)
commitff02b13f6867af72682d7a9bb9bd705f9af2bab0
tree09ab99dd19a289a5c079f02c19e95991ffb0c2c8tree | snapshot
parent003f6c9df54970d8b19578d195b3e2b398cdbde2commit | diff
drm/ttm: request zeroed system memory pages for new TT buffer objects

Fixes an information leak to userspace, we were handing out un-zeroed pages
for any newly created TTM_PL_TT buffer.

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/ttm/ttm_bo.c diff | blob | history
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