From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 13 Sep 2011 20:08:06 +0000 (+1000)
Subject: drm/ttm: request zeroed system memory pages for new TT buffer objects
X-Git-Tag: v3.1-rc7~22^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff02b13f6867af72682d7a9bb9bd705f9af2bab0;p=pandora-kernel.git

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>
---

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