efivarfs: Support EFI variable access in 3.10 kernels.

In the 3.10 kernel, EFI variables are now provided by a dedicated
filesystem that needs to be mounted.

Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
This commit is contained in:
Robin H. Johnson 2013-06-24 19:31:58 +00:00
parent e451d173fa
commit 29f0f55c0e

View File

@ -81,6 +81,20 @@ mount_misc()
eend $? eend $?
fi fi
fi fi
# setup up kernel support for efivarfs
# slightly complicated, as if it's build as a module but NOT yet loaded,
# it will NOT appear in /proc/filesystems yet
if [ -d /sys/firmware/efi/efivars ] \
&& ! mountinfo -q /sys/firmware/efi/efivars; then
modprobe -q efivarfs
if grep -qs efivarfs /proc/filesystems; then
ebegin "Mounting efivarfs filesystem"
mount -n -t efivarfs -o ${sysfs_opts} \
efivarfs /sys/firmware/efi/efivars
eend $?
fi
fi
} }
mount_cgroups() mount_cgroups()