linux-kernel - Re: [PATCH] i386: improve double fault handling

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Message-ID: <20080721110510.GC10782@elte.hu>
Date:	Mon, 21 Jul 2008 13:05:10 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jan Beulich <jbeulich@...ell.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Andi Kleen <andi@...stfloor.org>,
	tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i386: improve double fault handling


* Jan Beulich <jbeulich@...ell.com> wrote:

> > This patch doesn't apply for me to the extent that I'm hesitant to 
> > fix it up manually.  Could you please refresh it against current 
> > -linus?
> 
> Make the double fault handler use CPU-specific stacks. Add some 
> abstraction to simplify future change of other exception handlers to 
> go through task gates. Add a new notification of the event through the 
> die notifier chain, also providing some environmental adjustments so 
> that various infrastructural things work independent of the fact that 
> the fault and the callbacks are running on other then the normal 
> kernel stack.

this still doesnt apply to latest -git. (or tip/master)

	Ingo
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