From: Francisco Jerez <currojerez@riseup.net>
Date: Mon, 25 Oct 2010 21:38:59 +0000 (+0200)
Subject: drm/nouveau: Add a separate class for the kernel channel mutex.
X-Git-Tag: v2.6.38-rc1~419^2~37^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e419cf0954901bb3a987f8b76cbc9654ca06121c;p=pandora-kernel.git

drm/nouveau: Add a separate class for the kernel channel mutex.

nouveau_bo_move_m2mf() needs to lock the kernel channel, and it may be
called from the pushbuf IOCTL with an user channel already locked. Use
a separate subclass for the kernel channel mutex because this is
legitimate mutex nesting.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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