Re: [PATCH] kernel: Add Mount Option For Efivarfs

[Matthew Garrett]

On Thu, Aug 24, 2023 at 12:51:07PM +0100, Jiao Zhou wrote:
> We want to support fwupd for updating system firmware on Reven. Capsule updates
> need to create UEFI variables. Our current approach to UEFI variables of
> just allowing access to a static list of them at boot time won't work here.
> 
> I think we could add mount options to efivarfs to set the uid/gid. We'd
> then mount the file system with fwupd's uid/gid. This approach is used by a
> number of other filesystems that don't have native support for ownership,
> so I think it should be upstreamable.

Makes sense.

Acked-by: Matthew Garrett <mgarrett@xxxxxxxxxxx>