linux-kernel - Re: [PATCH v1 6/6] driver: Google Memory Console

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Message-ID: <20110125020031.GA3389@kroah.com>
Date:	Tue, 25 Jan 2011 10:00:31 +0800
From:	Greg KH <greg@...ah.com>
To:	Mike Waychison <mikew@...gle.com>
Cc:	torvalds@...ux-foundation.org, San Mehat <san@...gle.com>,
	Aaron Durbin <adurbin@...gle.com>,
	Duncan Laurie <dlaurie@...gle.com>,
	linux-kernel@...r.kernel.org, Tim Hockin <thockin@...gle.com>
Subject: Re: [PATCH v1 6/6] driver: Google Memory Console

On Mon, Jan 24, 2011 at 04:25:05PM -0800, Mike Waychison wrote:
> This patch introduces the 'memconsole' driver.
> 
> Our firmware gives us access to an in-memory log of the firmware's
> output.   This gives us visibility in a data-center of headless machines
> as to what the firmware is doing.
> 
> The memory console is found by the driver by finding a header block in
> the EBDA.  The buffer is then copied out, and is currently prepended
> to the kernel's dmesg ring-buffer.

Why does this have to be the first thing in the dmesg buffer?
What's wrong with it showing up whenever this driver is loaded like all
other drivers?

thanks,

greg k-h
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