Re: [RFC] grub-install: allow none or multiple install devices on PC BIOS

[Andrei Borzenkov]

12.05.2015 18:22, Michael Chang пишет:
> On Tue, May 12, 2015 at 02:57:00PM +0300, Andrei Borzenkov wrote:
>> В Tue, 12 May 2015 18:52:22 +0800
>> Michael Chang <address@hidden> пишет:
>>
>>> On Fri, May 08, 2015 at 09:53:41PM +0300, Andrei Borzenkov wrote:
>>>> There are two main applications.
>>>>
>>>> 1. Omit install device to create generic image intended for chainloading
>>>> from other master loader. Such image can be put on any device (or file
>>>> system) and will still be able to find its $root. Currently even with
>>>> --no-bootsector grub-install optimizes image by skipping UUID search if
>>>> possible.
>>>>
>>
>> Actually I think it is useful for all platforms.
> 
> As it works across all platform, os-prober should consider chanloading
> core images if possible rather than digging into grub configs. Is there
> any plan for that ?
> 

At least on EFI it is not possible to chainload GRUB from /boot until it
supports multiboot; and even then it will be multiboot2, so it means
separate commands. We have enough issues with efi-specific linux loaders :(