linux-kernel - Re: [PATCH,RFC] perf: panic due to inclied cpu context task

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Date:	Mon, 4 Apr 2011 18:20:41 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Jiri Olsa <jolsa@...hat.com>, Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH,RFC] perf: panic due to inclied cpu context task_ctx
	value

On 03/31, Peter Zijlstra wrote:
>
> Anyway, I _think_ we can do better.. but then, I haven't fully gone
> through things yet.. compile tested only..

I'll try to read (and hopefully even understand ;) this patch carefully,
but at first glance this should work.

Personally, as a _reader_ of this code, I like the fact that
perf_event_release_kernel() does perf_remove_from_context() instead of
_disable + del_event. IMHO, this makes the things more understandable.

Oleg.

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