From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 11 Jun 2009 09:18:36 +0000 (+0200)
Subject: perf_counter: More paranoia settings
X-Git-Tag: v2.6.31-rc1~383^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0764771dab80d7b84b9a271bee7f1b21a04a3f0c;p=pandora-kernel.git

perf_counter: More paranoia settings

Rename the perf_counter_priv knob to perf_counter_paranoia (because
priv can be read as private, as opposed to privileged) and provide
one more level:

 0 - permissive
 1 - restrict cpu counters to privilidged contexts
 2 - restrict kernel-mode code counting and profiling

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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