linux-kernel - Re: [PATCH 1/2] perf: Add persistent event facilities

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Date:	Fri, 18 May 2012 16:14:22 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Borislav Petkov <bp@...64.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <borislav.petkov@....com>
Subject: Re: [PATCH 1/2] perf: Add persistent event facilities

On Fri, 2012-05-18 at 16:09 +0200, Borislav Petkov wrote:
> What happens here if a second user wants to enable a second set of
> persistent events, allocate a second set of per-CPU buffers? 

I'm not seeing the relation to VM_SHARED here. But yeah, if you want a
second set of buffers with either the same or other events, you create
another set..


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