From: Markus Metzger <markus.t.metzger@intel.com>
Date: Fri, 13 Mar 2009 09:45:07 +0000 (+0100)
Subject: x86, bts: add selftest for BTS
X-Git-Tag: v2.6.31-rc1~401^2~62^2~34
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a327f6d1b05f5ce16572b4413a5df1d0e872283;p=pandora-kernel.git

x86, bts: add selftest for BTS

Perform a selftest of branch trace store when a cpu is initialized.

WARN and disable branch trace store support if the selftest fails.

Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
LKML-Reference: <20090313104507.A30125@sedona.ch.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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