linux-kernel - Re: [git pull] kgdb-light -v10

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Message-ID: <20080212170155.GA4191@one.firstfloor.org>
Date:	Tue, 12 Feb 2008 18:01:55 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Roland McGrath <roland@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [git pull] kgdb-light -v10

On Tue, Feb 12, 2008 at 05:24:08PM +0100, Ingo Molnar wrote:
> 
> * Andi Kleen <andi@...stfloor.org> wrote:
> 
> > Anyways the slight risk of the other CPUs eventually recovering would 
> > seem a acceptable trade off versus not being able to use the debugger 
> > to debug the system with hanging CPUs.
> 
> see? There's the difference between us. The initial merge of KGDB does 
> not want to include policies for nuances that pose an "acceptable slight 
> risk".

Ok fine. Please implement DMA quiescence on kgdb entry then; otherwise
the code won't conform to your standards at all.

-Andi
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