From: Mark Rutland <mark.rutland@arm.com>
Date: Wed, 13 May 2015 16:12:27 +0000 (+0100)
Subject: arm: perf: probe number of counters on affine CPUs
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~100^2~3^2^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e3038d18adcecf375c39ef5b39eb3c613293280;p=pandora-kernel.git

arm: perf: probe number of counters on affine CPUs

In heterogeneous systems, the number of counters may differ across
clusters. To find the number of counters for a cluster, we must probe
the PMU from a CPU in that cluster.

Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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