From: Andreas Oberritter <obi@linuxtv.org>
Date: Sat, 10 Dec 2011 00:37:00 +0000 (-0300)
Subject: [media] DVB: dvb_frontend: fix delayed thread exit
X-Git-Tag: v3.3-rc1~48^2~367
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9d5efcceb6b34ee20111b62cf7be61ae79af4e9;p=pandora-kernel.git

[media] DVB: dvb_frontend: fix delayed thread exit

There are some issues and miss-behaves at the dvb fe thread:

1) dvb_shutdown_timeout should be dvb_shutdown_timeout * HZ
   instead of (dvb_shutdown_timeout * HZ + 1);

2) add a memory barrier to warrant that all CPU's will consider the
   new value for release_jiffies;

3) wake up dvb thread also when fepriv->exit == DVB_FE_NO_EXIT.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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