linux-kernel - Re: Need advice on updating the Linux kernel map

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Message-ID: <AANLkTik6gRF+Z7Ay-DWr6WN3O4AfrNkZyEr4UieDDOFi@mail.gmail.com>
Date:	Tue, 14 Dec 2010 17:38:51 +0200
From:	Constantine Shulyupin <const@...uxdriver.co.il>
To:	Valdis.Kletnieks@...edu
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Need advice on updating the Linux kernel map

Hi Valdis,

Thank you for your feedback.
I updated and continue to update the map of the Linux kernel -
http://www.makelinux.net/kernel_map

With your feedback I reworked connections and added
tracing/oprofile/perf to debug segment.

Indeeds, security and debugging is forced to be in user interface and
have no direct relations to peripherals. But other places are less
suable. I decided to put security and debugging in UI, because
security limits UI (as user) and debugging expands UI (as developer).

Thanks.

On Tue, Apr 27, 2010 at 4:41 PM,  <Valdis.Kletnieks@...edu> wrote:
> On Sun, 25 Apr 2010 02:02:29 +0300, Constantine Shulyupin said:
>> I was wondering if you could help me. I've recently resumed work on
>> the map of the Linux kernel - http://www.makelinux.net/kernel_map in
>> order to make it more up-to-date and to improve it. Please let me know
>> how I can update the map, as it would help me a lot.
>
> A few quick comments:
>
> 1) Can we do better than an OSI 7-layer burrito? ;)  As it stands, doing it
> that way creates a lot of things that look like layering violations.  For
> instance, "Device Model" is up on "virtual", when it actually gets *used*
> several levels further down.  And you have a *lot* of vertical lines that
> cross a whole bunch of levels.  You would probably be served much better
> by letting each column be a lot wider, and maybe only 4 levels high (you
> can probably squish virtual/bridges/logical into one wider level).
>
> 1b) Much of the I/O column should be one wide section across the bottom of
> disk/network/user peripherals, and the 'system run' box should be in some
> other column(s).
>
> 2) Security and debugging seem to be forced in the "user peripherals" column
> for no real rational reason.
>
> 3) I see no mention of tracing/oprofile/perf.
>
> Hope that helps...
>



-- 
Constantine Shulyupin
Embedded Linux Expert
TI DaVinci Expert
Tel-Aviv Israel
http://www.LinuxDriver.co.il/
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