linux-kernel - Re: [RFC PATCH] x86: explicit call to mmiotrace in do_page

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Message-ID: <84144f020802091119s25c81627k921dd98bc2b677b9@mail.gmail.com>
Date:	Sat, 9 Feb 2008 21:19:17 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Pekka Paalanen" <pq@....fi>
Cc:	"Arjan van de Ven" <arjan@...radead.org>,
	"Ingo Molnar" <mingo@...e.hu>,
	"Christoph Hellwig" <hch@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] x86: explicit call to mmiotrace in do_page_fault()

Hi,

On Feb 9, 2008 9:11 PM, Pekka Paalanen <pq@....fi> wrote:
> No difference. I just have to do it at some point. I can't work on this
> every day and when it comes to kernel, I'm a complete newbie. So things
> will take time. If people want that I fix this before mmiotrace goes into
> mainline, then so be it.

Not my call but please keep in mind that once it's in the kernel we
can't go breaking the ABI (well, we might as this is strictly a
debugging mechanism, but still). Anyway, it shouldn't be that hard to
implement and there are plenty of examples in the kernel and you can
always as for help if you hit a brick wall ;-).

                         Pekka
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