From: David S. Miller <davem@davemloft.net>
Date: Fri, 17 Aug 2012 03:35:41 +0000 (-0700)
Subject: sparc64: Add hypervisor interfaces for SPARC-T4 perf counter access.
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~48^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c79bfa51101354853f0f5d3b02435cec429da51;p=pandora-kernel.git

sparc64: Add hypervisor interfaces for SPARC-T4 perf counter access.

Unlike for previous chips, access to the perf-counter control
registers are all hyper-privileged.  Therefore, access to them must go
through a hypervisor interface.

Signed-off-by: David S. Miller <davem@davemloft.net>
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