From: "Q. Gylstorff" <Quirin.Gylstorff@siemens.com>
To: cip-dev@lists.cip-project.org, jan.kiszka@siemens.com
Subject: [cip-dev][isar-cip-core][RFC 3/8] linux-cip-common: Add options necessary for dm-verity
Date: Fri, 12 Nov 2021 12:50:12 +0100 [thread overview]
Message-ID: <20211112115017.401779-5-Quirin.Gylstorff@siemens.com> (raw)
In-Reply-To: <20211112115017.401779-1-Quirin.Gylstorff@siemens.com>
From: Quirin Gylstorff <quirin.gylstorff@siemens.com>
CIP Kernel Config does not contain support for dm-verity
squashfs. Overlay_FS support is added for etc-overlay.
Signed-off-by: Quirin Gylstorff <quirin.gylstorff@siemens.com>
---
recipes-kernel/linux/files/verity.cfg | 5 +++++
recipes-kernel/linux/linux-cip-common.inc | 6 ++++++
2 files changed, 11 insertions(+)
create mode 100644 recipes-kernel/linux/files/verity.cfg
diff --git a/recipes-kernel/linux/files/verity.cfg b/recipes-kernel/linux/files/verity.cfg
new file mode 100644
index 0000000..35d8208
--- /dev/null
+++ b/recipes-kernel/linux/files/verity.cfg
@@ -0,0 +1,5 @@
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_VERITY=y
+CONFIG_DM_CRYPT=y
+CONFIG_SQUASHFS=y
+CONFIG_OVERLAY_FS=y
diff --git a/recipes-kernel/linux/linux-cip-common.inc b/recipes-kernel/linux/linux-cip-common.inc
index 1afec88..0792371 100644
--- a/recipes-kernel/linux/linux-cip-common.inc
+++ b/recipes-kernel/linux/linux-cip-common.inc
@@ -28,3 +28,9 @@ SRC_URI_append_bbb = "file://${KERNEL_DEFCONFIG}"
SRCREV_cip-kernel-config ?= "cd5d43e99f4d5f20707d7ac1e721bb22d4c9e16e"
S = "${WORKDIR}/linux-cip-v${PV}"
+
+SRC_URI += "file://verity.cfg"
+
+do_prepare_build_prepend() {
+ cat ${WORKDIR}/verity.cfg >> ${WORKDIR}/${KERNEL_DEFCONFIG}
+}
--
2.30.2
next prev parent reply other threads:[~2021-11-12 11:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-12 11:50 [cip-dev][isar-cip-core][RFC 0/8] Read-only root file system with dm-verity Q. Gylstorff
2021-11-12 11:50 ` [cip-dev][isar-cip-core][RFC 1/8] Add new class to create a squashfs based root file system Q. Gylstorff
2021-11-12 12:41 ` Jan Kiszka
2021-11-12 11:50 ` [PATCH] recipes-core/swupdate: Update the SRC_URI and SWUPDATE_BUILD_PROFILES append for buster Q. Gylstorff
2021-11-12 11:58 ` [cip-dev] " Gylstorff Quirin
2021-11-12 11:50 ` [cip-dev][isar-cip-core][RFC 2/8] Add classes for dm-verity based rootfs Q. Gylstorff
2021-11-12 11:50 ` Q. Gylstorff [this message]
2021-11-12 12:46 ` [cip-dev][isar-cip-core][RFC 3/8] linux-cip-common: Add options necessary for dm-verity Jan Kiszka
2021-11-16 10:43 ` Gylstorff Quirin
2021-11-12 11:50 ` [cip-dev][isar-cip-core][RFC 4/8] Create a initrd with support " Q. Gylstorff
2021-11-12 12:47 ` Jan Kiszka
[not found] ` <39f049c6-510a-5ac4-6e73-8a865e95405e@siemens.com>
2021-11-15 18:43 ` Gylstorff Quirin
2021-11-12 11:50 ` [cip-dev][isar-cip-core][RFC 5/8] Create an read-only rootfs with dm-verity Q. Gylstorff
2021-11-12 12:53 ` Jan Kiszka
2021-11-12 11:50 ` [cip-dev][isar-cip-core][RFC 6/8] Create systemd mount units for a etc overlay Q. Gylstorff
2021-11-12 11:50 ` [cip-dev][isar-cip-core][RFC 7/8] Mount writable home partition Q. Gylstorff
2021-11-12 11:50 ` [cip-dev][isar-cip-core][RFC 8/8] swupdate: Backport patches from SWUpdate Master Q. Gylstorff
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