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Date:	Sat, 1 Jun 2013 20:20:57 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Vince Weaver <vincent.weaver@...ne.edu>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	trinity@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH 0/2]: WARN_ONCE in arch/x86/kernel/hw_breakpoint.c

On 05/20, Vince Weaver wrote:
>
> on 3.10-rc1 with the trinity fuzzer patched to exercise the
> perf_event_open() syscall I am triggering this WARN_ONCE:
>
> [   75.864822] ------------[ cut here ]------------
> [   75.864830] WARNING: at arch/x86/kernel/hw_breakpoint.c:121 arch_install_hw_breakpoint+0x5b/0xcb()

Ingo,

I am not sure about -stable, but probably this is 3.10 material.

Oleg.

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