From: Francisco Jerez <currojerez@riseup.net>
Date: Sat, 28 Aug 2010 15:56:33 +0000 (+0200)
Subject: drm/nouveau: Take fence spinlock before reading the last sequence.
X-Git-Tag: v2.6.36-rc4~95^2~4^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ba6462355c1c69dde58739a871d13bbb993e2e3;p=pandora-kernel.git

drm/nouveau: Take fence spinlock before reading the last sequence.

It fixes a race between the TTM delayed work queue and the GEM IOCTLs
(fdo bug 29583) uncovered by the BKL removal.

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