tree 7903a0b4725bea86dba942003d5f6048077271d0
parent bc44fb5f7d3e764ed7698c835a1a0f35aba2eb3d
author Markus Metzger <markus.t.metzger@intel.com> 1236937507 +0100
committer Ingo Molnar <mingo@elte.hu> 1236941840 +0100

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>