From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Wed, 19 Mar 2014 09:45:11 +0000 (+0100)
Subject: drm/vmwgfx: Tighten security around surface sharing v2
X-Git-Tag: v3.15-rc1~51^2~25^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d10aab8f0658d624e5aafcd52b70afa23a75e5e;p=pandora-kernel.git

drm/vmwgfx: Tighten security around surface sharing v2

If using legacy (non-prime) surface sharing, only allow surfaces
to be shared between clients with the same master. This will block
malicious clients from peeking at contents at surfaces from other
(possibly vt-switched) masters.

v2:
s/legacy_client/primary_client/

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
---

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