From: Marc Zyngier <Marc.Zyngier@arm.com>
Date: Thu, 22 Nov 2012 12:05:55 +0000 (+0100)
Subject: ARM: 7584/1: perf: fix link error when CONFIG_HW_PERF_EVENTS is not selected
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~53^2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c7cc504bc351e41e871e317ca7f032f4562f34ad;p=pandora-kernel.git

ARM: 7584/1: perf: fix link error when CONFIG_HW_PERF_EVENTS is not selected

Commit e50c541 (ARM: perf: add guest vs host discrimination) broken the
link as perf_instruction_pointer and perf_misc_flags are not defined
when CONFIG_HW_PERF_EVENTS is not selected.

As it make little sense to try and profile a guest without any HW event,
just fallback to the original code when this config option is not selected.

Reported-by: Russell King <linux@arm.linux.org.uk>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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