Re: ZFS grubenv write support

[Daniel Kiper]

On Fri, Feb 21, 2020 at 11:14:25AM +0100, Javier Martinez Canillas wrote:
> On 1/17/20 1:10 PM, Daniel Kiper wrote:
> > Hi Paul,
> >
>
> [snip]
>
> >
> > In general I like the idea. Though I would like to have this
> > configurable by user if possible (some FSes may support traditional
> > grubenv and special regions for boot loaders). I would also take into
> > account Luiz's comments. UEFI variables? Seems interesting at first
> > sight. Though it may have some limitations.
> >
>
> Peter wrote support for this and we carry in our downstream patch-set. It
> is very useful for debugging purposes or when doing network booting from
> an EFI machine that has no grubenv file.
>
> The grubenv is stored in a GRUB_ENV-91376aff-cba6-42be-949d-06fde81128e8
> EFI variable, can be loaded with an efi-load-env command and the current
> grubenv exported to an EFI var with the efi-export-env command.
>
> The patches are [0] and [1]. If there's interest for this I can post to
> the list properly.

Yes, please do...

Daniel