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

[Vladimir 'phcoder' Serbinenko]

On Fri, Mar 6, 2020 at 3:02 PM Didier Spaier <address@hidden> wrote:
>
> 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.
What's the problem with having bios boot partition? You can put it
exactly in the spot you describe (in fact I do so) and it works as
well, just additionally it marks this space as occupied
>
> I just hope this question is not too silly...
>
> Best regards,
> Didier
>
>
> [1]https://uefi.org/sites/default/files/resources/UEFI_Spec_2_8_A_Feb14.pdf
> § 5.3.1 GPT overview
>
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-- 
Regards
Vladimir 'phcoder' Serbinenko