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It seems xz is getting out of fashion generally, and it comes with higher decompression load. Jan > Signed-off-by: srinuvasan > --- > meta-isar/conf/local.conf.sample | 2 +- > .../compress-initrd/compress-initrd.bb | 18 ++++++++++++++++++ > .../compress-initrd/files/postinst | 5 +++++ > 3 files changed, 24 insertions(+), 1 deletion(-) > create mode 100644 meta-isar/recipes-initramfs/compress-initrd/compress-initrd.bb > create mode 100644 meta-isar/recipes-initramfs/compress-initrd/files/postinst > > diff --git a/meta-isar/conf/local.conf.sample b/meta-isar/conf/local.conf.sample > index 17455015..ac8b749e 100644 > --- a/meta-isar/conf/local.conf.sample > +++ b/meta-isar/conf/local.conf.sample > @@ -149,7 +149,7 @@ CONF_VERSION = "1" > > # > # The default list of extra packages to be installed. > -IMAGE_INSTALL = "hello-isar example-raw example-module-${KERNEL_NAME} enable-fsck isar-exclude-docs samefile hello isar-disable-apt-cache cowsay example-prebuilt" > +IMAGE_INSTALL = "hello-isar example-raw example-module-${KERNEL_NAME} enable-fsck isar-exclude-docs samefile hello isar-disable-apt-cache cowsay example-prebuilt compress-initrd" > > # > # Machines with secure boot should use signed modules. > diff --git a/meta-isar/recipes-initramfs/compress-initrd/compress-initrd.bb b/meta-isar/recipes-initramfs/compress-initrd/compress-initrd.bb > new file mode 100644 > index 00000000..21e28782 > --- /dev/null > +++ b/meta-isar/recipes-initramfs/compress-initrd/compress-initrd.bb > @@ -0,0 +1,18 @@ > +# Compress the initrd with better compression tool > +# > +# This software is a part of ISAR. > + > +DESCRIPTION = "Compress the initrd with better compression tool" > +MAINTAINER = "Your name here " > + > +inherit dpkg-raw > + > +DEBIAN_DEPENDS = "linux-image-${KERNEL_NAME}, xz-utils, initramfs-tools" > + > +SRC_URI = " \ > + file://postinst \ > +" > +do_install() { > + install -v -d "${D}/etc/initramfs-tools/conf.d/" > + echo "COMPRESS=xz" > "${D}/etc/initramfs-tools/conf.d/${PN}.conf" > +} > diff --git a/meta-isar/recipes-initramfs/compress-initrd/files/postinst b/meta-isar/recipes-initramfs/compress-initrd/files/postinst > new file mode 100644 > index 00000000..0db52142 > --- /dev/null > +++ b/meta-isar/recipes-initramfs/compress-initrd/files/postinst > @@ -0,0 +1,5 @@ > +#!/bin/sh > + > +set -e > + > +update-initramfs -c -k all -- Siemens AG, Technology Linux Expert Center