From: Oleg Nesterov <oleg@redhat.com>
Date: Thu, 20 Jun 2013 15:50:18 +0000 (+0200)
Subject: hw_breakpoint: Simplify *register_wide_hw_breakpoint()
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~62^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e12cbc10cb27fcbe51b5f68e2015138dc451a2eb;p=pandora-kernel.git

hw_breakpoint: Simplify *register_wide_hw_breakpoint()

1. register_wide_hw_breakpoint() can use unregister_ if failure,
   no need to duplicate the code.

2. "struct perf_event **pevent" adds the unnecesary lever of
   indirection and complication, use per_cpu(*cpu_events, cpu).

Reported-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20130620155018.GA6347@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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