linux-kernel - Re: A question of perf NMI handler

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Message-ID: <1280917458.1923.937.camel@laptop>
Date:	Wed, 04 Aug 2010 12:24:18 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Robert Richter <robert.richter@....com>
Cc:	Lin Ming <ming.m.lin@...el.com>, Ingo Molnar <mingo@...e.hu>,
	Don Zickus <dzickus@...hat.com>,
	Cyrill Gorcunov <gorcunov@...il.com>,
	"fweisbec@...il.com" <fweisbec@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Huang, Ying" <ying.huang@...el.com>
Subject: Re: A question of perf NMI handler

On Wed, 2010-08-04 at 12:01 +0200, Robert Richter wrote:
> To ensure that all other nmi handlers are
> called, the perfctr's nmi handler must have the lowest priority. Then,
> the handler will be the last in the chain. 

Well, unless another NMI handler has the exact same issue and also
starts eating all NMIs, just in case.
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