From: Maarten Maathuis <madman2003@gmail.com>
Date: Mon, 1 Feb 2010 19:58:27 +0000 (+0100)
Subject: drm/nouveau: protect channel create/destroy and irq handler with a spinlock
X-Git-Tag: v2.6.34-rc1~209^2~12^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff9e5279b14dc024599cc705ee199dadb94e90a3;p=pandora-kernel.git

drm/nouveau: protect channel create/destroy and irq handler with a spinlock

The nv50 pgraph handler (for example) could reenable pgraph fifo access
and that would be bad when pgraph context is being unloaded (we need the
guarantee a ctxprog isn't running).

Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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