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From 29f0f55c0e7debef879674ed288c1d3af0f84772 Mon Sep 17 00:00:00 2001
From: "Robin H. Johnson" <robbat2@gentoo.org>
Date: Mon, 24 Jun 2013 19:31:58 +0000
Subject: [PATCH] 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>
---
init.d/sysfs.in | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/init.d/sysfs.in b/init.d/sysfs.in
index 114a653..7658cb5 100644
--- a/init.d/sysfs.in
+++ b/init.d/sysfs.in
@@ -81,6 +81,20 @@ mount_misc()
eend $?
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()
--
1.8.2.1
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