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Re: [PATCH v2 08/12] kern: Make grub_error() more verbose

From: Didier Spaier
Subject: Re: [PATCH v2 08/12] kern: Make grub_error() more verbose
Date: Fri, 6 Mar 2020 15:01:51 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

Le 06/03/2020 à 13:43, Daniel Kiper a écrit :
> If we go that way then we have to care about them by the end of the
> universe. And this means more and more issues like [1]. If somebody
> wants to use new GRUB then he/she have to reinstall the machine or
> something like that. IMO we should not care about users who do not want
> upgrade their machines or whatnot. Or at least their choices cannot
> impact GRUB development too much. And I think that this MBR constraint
> is hindering the project too much at this point. So, as above...
> Sorry for being blunt...

Sorry to be off topic... In case of a GUID partition table, if I
understand the UEFI specification[1], as the first usable LBA should be
greater than or equal to 34 for a 512 bytes block size or 6 for a
4096 bytes logical block size, it could begin after a gap of 24K.

Then, if we assume that the first partition begins @ 1MiB, can't GRUB
use the space unused between the first usable LBA and 1MiB instead of
a Bios Boot partition, in case of "legacy" booting and a GPT? I ask as
then a Bios Boot partition wouldn't be necessary any more.

I just hope this question is not too silly...

Best regards,

§ 5.3.1 GPT overview

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