From: Robert Richter <robert.richter@amd.com>
Date: Wed, 25 Jul 2012 17:12:45 +0000 (+0200)
Subject: perf/x86/ibs: Check syscall attribute flags
X-Git-Tag: v3.6-rc7~14^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bad9ac2d7f878a31cf1ae8c1ee3768077d222bcb;p=pandora-kernel.git

perf/x86/ibs: Check syscall attribute flags

Current implementation simply ignores attribute flags. Thus, there is
no notification to userland of unsupported features. Check syscall's
attribute flags to let userland know if a feature is supported by the
kernel. This is also needed to distinguish between future kernels what
might support a feature.

Cc: <stable@vger.kernel.org> v3.5..
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120910093018.GO8285@erda.amd.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

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