[OE-core] [zeus 30/31] initscripts/sysfs.sh: Mount /sys/firmware/efi/efivars when possible
Armin Kuster
akuster808 at gmail.com
Wed Nov 13 15:32:12 UTC 2019
From: Haris Okanovic <haris.okanovic at ni.com>
Without this change, efibootmgr is unable to recover BootOrder if lost
during a previous write operation, e.g. exceeded storage capacity. This
is problematic using EFI to manage boot flow from Linux (E.g. via RAUC).
https://www.kernel.org/doc/Documentation/filesystems/efivarfs.txt
Signed-off-by: Haris Okanovic <haris.okanovic at ni.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
meta/recipes-core/initscripts/initscripts-1.0/sysfs.sh | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/sysfs.sh b/meta/recipes-core/initscripts/initscripts-1.0/sysfs.sh
index f5b5b99..4871ee9 100644
--- a/meta/recipes-core/initscripts/initscripts-1.0/sysfs.sh
+++ b/meta/recipes-core/initscripts/initscripts-1.0/sysfs.sh
@@ -26,6 +26,10 @@ if [ -e /sys/kernel/config ] && grep -q configfs /proc/filesystems; then
mount -t configfs configfs /sys/kernel/config
fi
+if [ -e /sys/firmware/efi/efivars ] && grep -q efivarfs /proc/filesystems; then
+ mount -t efivarfs efivarfs /sys/firmware/efi/efivars
+fi
+
if ! [ -e /dev/zero ] && [ -e /dev ] && grep -q devtmpfs /proc/filesystems; then
mount -n -t devtmpfs devtmpfs /dev
fi
--
2.7.4
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