From: Will Deacon <will.deacon@arm.com>
Date: Tue, 19 Jul 2011 10:57:30 +0000 (+0100)
Subject: ARM: perf: allow armpmu to implement mode exclusion
X-Git-Tag: v3.2-rc1~130^2~7^2^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05d22fde3c0b86c8395d8f12ac01fbbc524d73ca;p=pandora-kernel.git

ARM: perf: allow armpmu to implement mode exclusion

Modern PMUs allow for mode exclusion, so we no longer wish to return
-EPERM if it is requested.

This patch provides a hook in the armpmu structure for implementing
mode exclusion. The hw_perf_event initialisation is slightly delayed so
that the backend code can update the structure if required.

Acked-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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