From: Anton Blanchard <anton@samba.org>
Date: Tue, 26 Jun 2012 01:01:36 +0000 (+0000)
Subject: powerpc/perf: Move code to select SIAR or pt_regs into perf_read_regs
X-Git-Tag: v3.6-rc1~132^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75382aa72f06823db7312ad069c3bae2eb3f8548;p=pandora-kernel.git

powerpc/perf: Move code to select SIAR or pt_regs into perf_read_regs

The logic to choose whether to use the SIAR or get the information
out of pt_regs is going to get more complicated, so do it once in
perf_read_regs.

We overload regs->result which is gross but we are already doing it
with regs->dsisr.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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