From: Andi Kleen <andi@firstfloor.org>
Date: Mon, 27 Apr 2009 15:44:11 +0000 (+0200)
Subject: oprofile: re-add force_arch_perfmon option
X-Git-Tag: v2.6.31-rc1~402^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1dcdb5a9e7c235e6e80f1f4d5b8247b3e5347e48;p=pandora-kernel.git

oprofile: re-add force_arch_perfmon option

This re-adds the force_arch_perfmon option that was in the original
arch perfmon patchkit. Originally this was rejected in favour
of a generalized perfmon=name option, but it turned out implementing
the later in a reliable way is hard (and it would have been easy
to crash the kernel if a user gets it wrong)

But now Atom and Core i7 support being readded a user would
need to update their oprofile userland to beyond 0.9.4 to use oprofile again
on Atom or Core i7.

To avoid this problem readd the force_arch_perfmon option.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
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