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authorPatrick Ohly <patrick.ohly@intel.com>2017-11-27 16:56:42 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-12-10 22:45:18 +0000
commit10865f77b97ef023eed63e2c459b57bc6f4ba279 (patch)
treeefcaca5500f3a672c4e9083adb2cd396d1c0c463
parente9e3e60ca61ac2dd7e4e4c369dfd905d3adb5117 (diff)
downloadpoky-10865f77b97ef023eed63e2c459b57bc6f4ba279.tar.gz
rootfs-postcommands.bbclass: ensure that rootfs gets mounted ro
When read-only-rootfs is active, we need to ensure that the rootfs does not get mounted read/write by the kernel or initramfs. Adding "ro" to the boot parameters achieves that. (From OE-Core rev: cfc09de06ecc12bb42181004689e881c75072665) Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/classes/rootfs-postcommands.bbclass8
1 files changed, 8 insertions, 0 deletions
diff --git a/meta/classes/rootfs-postcommands.bbclass b/meta/classes/rootfs-postcommands.bbclass
index 5391e7a8e3..a4e627fef8 100644
--- a/meta/classes/rootfs-postcommands.bbclass
+++ b/meta/classes/rootfs-postcommands.bbclass
@@ -14,6 +14,14 @@ ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp ; "
14# Tweak the mount options for rootfs in /etc/fstab if read-only-rootfs is enabled 14# Tweak the mount options for rootfs in /etc/fstab if read-only-rootfs is enabled
15ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", "read_only_rootfs_hook; ", "",d)}' 15ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", "read_only_rootfs_hook; ", "",d)}'
16 16
17# We also need to do the same for the kernel boot parameters,
18# otherwise kernel or initramfs end up mounting the rootfs read/write
19# (the default) if supported by the underlying storage.
20#
21# We do this with _append because the default value might get set later with ?=
22# and we don't want to disable such a default that by setting a value here.
23APPEND_append = '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", " ro", "", d)}'
24
17# Generates test data file with data store variables expanded in json format 25# Generates test data file with data store variables expanded in json format
18ROOTFS_POSTPROCESS_COMMAND += "write_image_test_data ; " 26ROOTFS_POSTPROCESS_COMMAND += "write_image_test_data ; "
19 27