[PATCH 1/1] efivar: check that efivarfs is writeable
authorHeinrich Schuchardt <heinrich.schuchardt@canonical.com>
Fri, 18 Mar 2022 14:21:33 +0000 (15:21 +0100)
committerFelix Zielcke <fzielcke@z-51.de>
Thu, 3 Jul 2025 16:35:51 +0000 (18:35 +0200)
commit7ea2f3a8b8d62aaf747a482bac84c8e63f798fa3
treefb333368b503d3a9b4ae442a8fff90bd70c2caa5
parentafab992c2cdac5d50efb8abedb3db01425531a21
[PATCH 1/1] efivar: check that efivarfs is writeable

Some UEFI implementations (notably U-Boot) don't implement the
SetVariable() runtime service. On these systems the GRUB installation
must be completed manually. Write a warning in this case but avoid
throwing an error.  (LP: #1965288)

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Gbp-Pq: Name efivar-check-that-efivarfs-is-writeable.patch
grub-core/osdep/unix/efivar.c