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Re: [grub PATCH] efinet: disable MNP background polling

From: Daniel Kiper
Subject: Re: [grub PATCH] efinet: disable MNP background polling
Date: Wed, 14 Oct 2015 00:11:06 +0200
User-agent: Mutt/1.3.28i

On Thu, Oct 01, 2015 at 08:53:44PM +0300, Andrei Borzenkov wrote:
> 01.10.2015 14:50, Laszlo Ersek ??????????:
> >- assuming it is "ethernet packet", look for MNPSB first, and if it's
> >   there, call it to get a private-use MNP instance, in order to transmit
> >   and receive,
> >- if MNPSB is not there, open SNP in exclusive mode, same as now.
> >
> >Or else,
> >- stick with the current exclusive SNP reopen, but make sure that all
> >   aspects are reconfigured from the ground up.
> >
> I completely agree; the tiny insignificant missing piece here is actual
> code :) Of course it also means new can of worms and new unknown
> firmware bugs ...
> Hatayama-san, would you consider implementing MNP-based driver for GRUB?
> Having at least proof of concept available for testing would be good.

Are we sure that we want to migrate to MNP? As I saw others (e.g. PXELINUX,
iPXE) use SNP and it work for them.

If yes then I can post my unfinished rebase work for Solaris GRUB2 MNP patches.
I did that for our internal needs, however, I did not finish it because usptream
GRUB2 solved our problems. Well, patches are very raw, based on very old GRUB2
(Apr 2012) and do not build. However, maybe they could be a good starting point
for further work.


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