From: Will Deacon <will.deacon@arm.com>
Date: Tue, 20 Aug 2013 10:47:40 +0000 (+0100)
Subject: arm64: perf: fix event validation for software group leaders
X-Git-Tag: v3.11-rc7~21^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee7538a008a45050c8f706d38b600f55953169f9;p=pandora-kernel.git

arm64: perf: fix event validation for software group leaders

This is a port of c95eb3184ea1 ("ARM: 7809/1: perf: fix event validation
for software group leaders") to arm64, which fixes a panic in the arm64
perf backend found as a result of Vince's fuzzing tool.

Cc: <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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