linux-kernel - RE: [RFC/Requirements/Design] h/w error reporting

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Message-ID: <987664A83D2D224EAE907B061CE93D5301649A6EAC@orsmsx505.amr.corp.intel.com>
Date:	Wed, 10 Nov 2010 09:50:37 -0800
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Ingo Molnar <mingo@...e.hu>, Borislav Petkov <bp@...en8.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Huang, Ying" <ying.huang@...el.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"mchehab@...hat.com" <mchehab@...hat.com>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Subject: RE: [RFC/Requirements/Design] h/w error reporting

> We could even have some (small) statically enabled build-time
> buffer that could be enabled straight away before any allocators
> are enabled.

Agreed - in fact the error reporting paths will also want
some pre-allocated guaranteed space at all times.  Allocating
memory from within an NMI or Machine Check handler would
cause too many problems.

-Tony
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