linux-kernel - Re: [PATCH 1/2] x86, ioapic: Reserve only 128 bytes for IOAPICs

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Message-ID: <20110826095631.GF3903@sun>
Date:	Fri, 26 Aug 2011 13:56:31 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ralf Jung <ralfjung-e@....de>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Yinghai Lu <yinghai@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] x86, ioapic: Reserve only 128 bytes for IOAPICs

On Fri, Aug 26, 2011 at 11:53:20AM +0200, Ralf Jung wrote:
> Hi, 
> 
> > Hi Ralf, I can't put that risk on you. Hell knows how it will react
> > on such reprogramming (which is seems rather a bios duty than kernel).
>
> Oh, we are talking about that kind of problems? It's my main (and only) work 
> laptop, so... thanks for the warning ;-)
> 

Yeah, i'm just curious ;) Anyway, Bjorn's patch fixes your problem
and the warn_on I proposed might be added later, on top of this
patch.

	Cyrill
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