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List:       user-mode-linux-devel
Subject:    Re: [uml-devel] [Fwd: [lugc-talk] RedHat 9 UML Host Kernel Packages]
From:       Antonio Vargas <wind () cocodriloo ! com>
Date:       2003-07-18 15:41:19
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On Sun, Jul 13, 2003 at 10:16:19PM -0400, David Coulson wrote:
> 
> 
> -------- Original Message --------
> Subject: [lugc-talk] RedHat 9 UML Host Kernel Packages
> Date: Sun, 13 Jul 2003 22:15:12 -0400 (EDT)
> From: William R. Lorenz <wrl@express.org>
> Reply-To: talk@clevelandlug.net
> To: talk@clevelandlug.net
> 
> With the Calc II final behind me now, I wanted to post a quick link to
> some RedHat 9 host UML kernel packages that I built.  These are made to
> use for the host one which you will be running UML instances and include
> the skas3 and fairsched patches, most definately required for good hosts.
> 
>   ftp://wrl.umlcoop.net/pub/kernel.fairsched+skas3/
> 
> These kernel RPM packages (SRPM & RPM) include the following changes from
> the most recent stock RedHat-provided kernel for RH9 distributions:
> 
>  ( all are included in the changelog w/ specific patch numbers)
> 
>  - added support for fairsched & skas3 host patch (User Mode Linux)
>  - added defconfig definitions for fairsched & skas3 host patch
>  - modified kernel config definitions in SOURCES tree (kernel-2.4*.config)
>  - removed O(1) scheduler & threading (based on v2.5) backport

Some months ago, I started work on a new fairsched patch for 2.5 kernels
with o(1) complexity ( goto http://wind.cocodriloo.com/~wind/fairsched/ ).

I was stalled, but perhaps someone else, with better kernel skills,
could take a look a try to make it work.

Mind you, this may be important in order to get a good kernel for the host
side.

>  - removed LDT allocation to allow > 1200 threaded proc backport
>  - removed VM tuning patch for CONFIG_HIGHMEM64G special DMA stuff
>  - touched up ptrace()/kmod patch to work with UML patches
> 
> I hope to also have a RedHat 9 pristine minimal image available via FTP
> soon, and I'll also work on building a tutorial for those interested in
> getting a UML system running in under 5 minutes and with networking.
> 
> This is the under-5 approach to the host kernel, and it also helps to have
> the kernel installed with MD5 prints and using manageable packages. :)
> 
> More info coming soon!
> 

Greets, Antonio

-- 

1. Dado un programa, siempre tiene al menos un fallo.
2. Dadas varias lineas de codigo, siempre se pueden acortar a menos lineas.
3. Por induccion, todos los programas se pueden
   reducir a una linea que no funciona.


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