linux-kernel - Re: [PATCH 2.6.26 2/25] mdb: Merkey's Kernel Debugger

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Message-ID: <45269.166.70.238.45.1217987147.squirrel@webmail.wolfmountaingroup.com>
Date:	Tue, 5 Aug 2008 19:45:47 -0600 (MDT)
From:	jmerkey@...fmountaingroup.com
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	jmerkey@...fmountaingroup.com, "Andi Kleen" <andi@...stfloor.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.26 2/25] mdb: Merkey's Kernel Debugger

> On Tue, Aug 05, 2008 at 07:24:20PM -0600, jmerkey@...fmountaingroup.com
> wrote:
>>
>> I'll post some patches with these changes and submit it as a module.  I
>> will of course need to patch the kernel to introduce the die notifiers
>> where
>> they are not and there's the issue of cross call NMI to stop other
>> processors on SMP.
>>
>> That's the real issues, Andi, is the xcall stuff for IPC to control all
>> the processors.
>
> NMIs have die notifiers too. That said a cleaner way would be to
> generalize
> the synchronization code already in kdump and reuse that.
>
> -Andi
>

I can get that done.  debuggers as modules makes more sense anyway.

Jeff




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