From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Wed, 30 Jan 2013 16:51:56 +0000 (+0100)
Subject: s390/perf: cpum_cf: fallback to software sampling events
X-Git-Tag: v3.9-rc1~111^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=151a0eb6c8e4398f76453c791d8fd8f8167a7517;p=pandora-kernel.git

s390/perf: cpum_cf: fallback to software sampling events

The CPU-measurement counter facility does not support sampling events
and returns -EINVAL in that case.  This return code lets the perf tool
fail.  To fall back to software sampling events, return -ENOENT instead.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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