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initscripts/sysfs.sh: Mount /sys/firmware/efi/efivars when possible

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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

(From OE-Core rev: 0fb92b500b7d6b84368ca3a85e675400c6473987)

Signed-off-by: Haris Okanovic <haris.okanovic@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Haris Okanovic
2019-11-07 13:24:54 -06:00
committed by Richard Purdie
parent a98c7c7aa3
commit b30c1f5e46
1 changed files with 4 additions and 0 deletions
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meta/recipes-core/initscripts/initscripts-1.0/sysfs.sh
+4
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@@ -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