[Buildroot] Queries/suggestions regarding patch series "grub2: add support for arm and aarch64"

Thomas Petazzoni thomas.petazzoni at bootlin.com
Fri Nov 2 11:00:42 UTC 2018


Hello Sumit,

On Fri, 2 Nov 2018 16:23:37 +0530, Sumit Garg wrote:

> Yes disk-signature is disk-wide identifier. But it could work with
> multiple partitions in following manner:
> 
> Like the change, I have proposed with disk-signature = 0xDEEDBEEF,
> PARTUUID=deedbeef-02 refers to 2nd partition in disk with
> corresponding signature.

Aaah, yes, I had entirely missed the -02 part in the root=PARTUUID=
statement. Indeed, it's a lot clearer now how this can work.

> AFAIK, I don't think partitioning format changes for a particular
> device boot sequence if underlying disk changes (usb, sata, mmc etc.).
> So "-02" string should remain a constant.

Yes, absolutely! Thanks for the additional explanation!

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com


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