From: Graf Yang Date: Wed, 13 Jan 2010 06:09:34 +0000 (+0000) Subject: Blackfin: fix up mm locking in address dumping X-Git-Tag: v2.6.34-rc2~11^2~53 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6669c223a409199a45bb8f31a2e160ee26d19cc;p=pandora-kernel.git Blackfin: fix up mm locking in address dumping The locking code in the address dumper needs to grab the mm's mmap_sem so that other CPUs do not get an inconsistent view. On UP systems this really wasn't a problem, but it is easy to trigger a race on SMP systems when another CPU removes a mapping. Signed-off-by: Graf Yang Signed-off-by: Mike Frysinger --- Reading git-diff-tree failed