linux-kernel - Re: [PATCH v2 0/3] Teach perf_trace_##call() to check hlist_empty(perf

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Message-ID: <20130813074728.GQ27162@twins.programming.kicks-ass.net>
Date:	Tue, 13 Aug 2013 09:47:28 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	David Ahern <dsahern@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	"zhangwei(Jovi)" <jovi.zhangwei@...wei.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] Teach perf_trace_##call() to check
 hlist_empty(perf_events)

On Mon, Aug 12, 2013 at 07:45:15PM +0200, Oleg Nesterov wrote:
> BTW. Can't we kill __perf_addr() and the corresponding argument in
> perf_trace_buf_submit/perf_tp_event ?
> 
> Or do you think it can have a new user?

Oh, right.. I suppose that was to enable tracepoints for fault (like)
events. Clearly those never happened.

Yeah, I think we can kill that, another thing to reconsider once we grow
someone wanting it I suppose.
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