[OE-core] [PATCH v9] kernel: Add support for multiple kernel packages
Bruce Ashfield
bruce.ashfield at gmail.com
Fri Nov 10 16:16:08 UTC 2017
On Wed, Nov 8, 2017 at 5:20 PM, Wold, Saul <saul.wold at intel.com> wrote:
>
> Haris,
>
> Thanks for your patience on this process. This version works well, now
> I have the extra work of getting these kernel known to systemd-boot!
>
> Acked-by below!
>
> Sau!
>
> On Tue, 2017-11-07 at 12:40 -0600, Haris Okanovic wrote:
>> Some distros may want to provide alternate kernel "flavors" via feeds
>> or
>> within bootable images. For example, readily available builds which
>> provide certain diagnostic features can enable developers and testers
>> to
>> more quickly resolve issues by avoiding lengthy kernel builds.
>>
>> This change allows for building multiple flavors of the kernel and
>> module packages by templatizing kernel package names via a new
>> KERNEL_PACKAGE_NAME variable in kernel.bbclass. It defaults to the
>> old
>> name of "kernel", but can be overridden by certain recipes providing
>> alternate kernel flavors.
>>
>> To maintain compatibility, recipes providing alternate kernel flavors
>> cannot be the "preferred provider" for virtual/kernel. This is
>> because
>> OE puts the preferred provider's build and source at
>> "tmp-glibc/work-shared/$MACHINE/kernel-build-artifacts/" and
>> "tmp-glibc/work-shared/$MACHINE/kernel-source/" instead of
>> "tmp-glibc/work/*/$PN/" like other recipes. Therefore, recipes using
>> the
>> default KERNEL_PACKAGE_NAME="kernel" follows the old semantics --
>> build
>> in the old location and may be preferred provider -- while recipes
>> using
>> all other KERNEL_PACKAGE_NAME's build from the normal WORKDIR and
>> don't
>> provide "virtual/kernel".
>>
>> Testing:
>> 1. Add `KERNEL_PACKAGE_NAME_pn-linux-yocto-tiny = "tiny-linux"`
>> to local.conf so that linux-yocto-tiny may build alongside
>> the main kernel (linux-yocto).
>> 2. `bitbake linux-yocto linux-yocto-tiny` to build both kernel
>> flavors.
>> 3. Verified image and modules IPKs exist for both:
>> tmp-glibc/deploy/ipk/qemux86/kernel-* for linux-yocto
>> tmp-glibc/deploy/ipk/qemux86/tiny-linux* for linux-yocto-tiny
>> 4. Verified linux-yocto is the "preferred provider", and was built
>> in
>> shared directory: tmp-glibc/work-shared/qemux86/kernel-*
>> 5. Add `CORE_IMAGE_BASE_INSTALL_append_pn-core-image-base = "tiny-
>> linux"`
>> to local.conf to install both kernel flavors in core-image-base.
>> 6. `bitbake core-image-base` to build an image.
>> 7. Verified image contains two bzImage's under /boot/, with
>> "yocto-standard" (linux-yocto recipe) selected to boot via
>> symlink.
>>
>> Discussion threads:
>> http://lists.openembedded.org/pipermail/openembedded-core/2015-Decemb
>> er/thread.html#114122
>> http://lists.openembedded.org/pipermail/openembedded-core/2017-July/t
>> hread.html#139130
>>
>> [YOCTO #11363]
>>
>> Signed-off-by: Ioan-Adrian Ratiu <adrian.ratiu at ni.com>
>> Signed-off-by: Gratian Crisan <gratian.crisan at ni.com>
>> Signed-off-by: Haris Okanovic <haris.okanovic at ni.com>
>> Coauthored-by: Gratian Crisan <gratian.crisan at ni.com>
>> Coauthored-by: Haris Okanovic <haris.okanovic at ni.com>
>> Coauthored-by: Josh Hernstrom <josh.hernstrom at ni.com>
>
> Acked-by: Saul Wold <sgw at linux.intel.com>
.. and this version looks fine to me as well.
Acked-by: Bruce Ashfield <bruce.ashfield at windriver.com>
>
> Sau!
>
>> ---
>> [PATCH v2] Change STAGING_KERNEL_DIR and STAGING_KERNEL_BUILDDIR to
>> the
>> "work" directory in alternate kernel builds, instead of "work-
>> shared",
>> so
>> that the two builds don't clobber each other.
>>
>> [PATCH v3] An updated version of this change rebased onto the current
>> OE-core master. Changes:
>> - Remove PREFERRED_PROVIDER check in linux-yocto.inc in alternate
>> kernel builds, since alternate kernels aren't the
>> PREFERRED_PROVIDER for virtual/kernel by definition.
>> - Remove "virtual/kernel" from PROVIDES in alternate kernel builds.
>>
>> [PATCH v4] Another rebase onto master; no functional change.
>> Improved description and testing steps.
>>
>> [PATCH v5]
>> - Warn when PN == KERNEL_PACKAGE_NAME (bug # 11905)
>> - Add KERNEL_DEPLOYSUBDIR to avoid DEPLOYDIR collisions
>>
>> [PATCH v6] Add KERNEL_PACKAGE_NAME to kernel-module-split.bbclass for
>> module recipes; fixes lttng-modules build.
>>
>> [PATCH v7] Remove second definition of KERNEL_PACKAGE_NAME from
>> kernel-module-split.bbclass; apply a default in two places where
>> KERNEL_PACKAGE_NAME is referenced.
>>
>> [PATCH v8] Rebase onto current master and more fixups.
>> - kernel-devicetree.bbclass: Fixup package names
>> - depmodwrapper-cross: don't error when called from alt kernel
>> recipes
>> - kernel.bbclass: Don't install /boot/image symlink in alt recipes
>>
>> [PATCH v9]
>> - Add feature tracking tag
>> - Update testing section to define vars in local.conf
>> - Add KERNEL_PACKAGE_NAME check to *-rt recipes
>>
>> https://github.com/harisokanovic/openembedded-core/tree/dev/hokanovi/
>> multi-kernel-packages-v9
>> ---
>> meta/classes/kernel-devicetree.bbclass | 8 +-
>> meta/classes/kernel-module-split.bbclass | 9 +-
>> meta/classes/kernel.bbclass | 114
>> +++++++++++++--------
>> meta/conf/documentation.conf | 1 +
>> .../recipes-kernel/kmod/depmodwrapper-cross_1.0.bb | 14 +--
>> meta/recipes-kernel/linux/linux-yocto-rt_4.10.bb | 2 +-
>> meta/recipes-kernel/linux/linux-yocto-rt_4.12.bb | 2 +-
>> meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb | 2 +-
>> meta/recipes-kernel/linux/linux-yocto-rt_4.9.bb | 2 +-
>> meta/recipes-kernel/linux/linux-yocto.inc | 2 +-
>> 10 files changed, 94 insertions(+), 62 deletions(-)
>>
>> diff --git a/meta/classes/kernel-devicetree.bbclass
>> b/meta/classes/kernel-devicetree.bbclass
>> index 6e08be4b70..4f80cc62eb 100644
>> --- a/meta/classes/kernel-devicetree.bbclass
>> +++ b/meta/classes/kernel-devicetree.bbclass
>> @@ -1,10 +1,10 @@
>> # Support for device tree generation
>> PACKAGES_append = " \
>> - kernel-devicetree \
>> - ${@['kernel-image-zimage-bundle',
>> ''][d.getVar('KERNEL_DEVICETREE_BUNDLE') != '1']} \
>> + ${KERNEL_PACKAGE_NAME}-devicetree \
>> + ${@[d.getVar('KERNEL_PACKAGE_NAME') + '-image-zimage-bundle',
>> ''][d.getVar('KERNEL_DEVICETREE_BUNDLE') != '1']} \
>> "
>> -FILES_kernel-devicetree = "/${KERNEL_IMAGEDEST}/*.dtb
>> /${KERNEL_IMAGEDEST}/*.dtbo"
>> -FILES_kernel-image-zimage-bundle = "/${KERNEL_IMAGEDEST}/zImage-
>> *.dtb.bin"
>> +FILES_${KERNEL_PACKAGE_NAME}-devicetree =
>> "/${KERNEL_IMAGEDEST}/*.dtb /${KERNEL_IMAGEDEST}/*.dtbo"
>> +FILES_${KERNEL_PACKAGE_NAME}-image-zimage-bundle =
>> "/${KERNEL_IMAGEDEST}/zImage-*.dtb.bin"
>>
>> # Generate kernel+devicetree bundle
>> KERNEL_DEVICETREE_BUNDLE ?= "0"
>> diff --git a/meta/classes/kernel-module-split.bbclass
>> b/meta/classes/kernel-module-split.bbclass
>> index 1035525dac..73c7f18c78 100644
>> --- a/meta/classes/kernel-module-split.bbclass
>> +++ b/meta/classes/kernel-module-split.bbclass
>> @@ -30,7 +30,7 @@ do_install_append() {
>>
>> PACKAGESPLITFUNCS_prepend = "split_kernel_module_packages "
>>
>> -KERNEL_MODULES_META_PACKAGE ?= "kernel-modules"
>> +KERNEL_MODULES_META_PACKAGE ?= "${@ d.getVar("KERNEL_PACKAGE_NAME",
>> True) or "kernel" }-modules"
>>
>> KERNEL_MODULE_PACKAGE_PREFIX ?= ""
>> KERNEL_MODULE_PACKAGE_SUFFIX ?= "-${KERNEL_VERSION}"
>> @@ -129,16 +129,19 @@ python split_kernel_module_packages () {
>> postfix = format.split('%s')[1]
>> d.setVar('RPROVIDES_' + pkg, pkg.replace(postfix, ''))
>>
>> + kernel_package_name = d.getVar("KERNEL_PACKAGE_NAME", True) or
>> "kernel"
>> + kernel_version = d.getVar("KERNEL_VERSION", True)
>> +
>> module_regex = '^(.*)\.k?o$'
>>
>> module_pattern_prefix = d.getVar('KERNEL_MODULE_PACKAGE_PREFIX')
>> module_pattern_suffix = d.getVar('KERNEL_MODULE_PACKAGE_SUFFIX')
>> - module_pattern = module_pattern_prefix + 'kernel-module-%s' +
>> module_pattern_suffix
>> + module_pattern = module_pattern_prefix + kernel_package_name +
>> '-module-%s' + module_pattern_suffix
>>
>> postinst = d.getVar('pkg_postinst_modules')
>> postrm = d.getVar('pkg_postrm_modules')
>>
>> - modules = do_split_packages(d,
>> root='${nonarch_base_libdir}/modules', file_regex=module_regex,
>> output_pattern=module_pattern, description='%s kernel module',
>> postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata,
>> extra_depends='kernel-%s' % (d.getVar("KERNEL_VERSION")))
>> + modules = do_split_packages(d,
>> root='${nonarch_base_libdir}/modules', file_regex=module_regex,
>> output_pattern=module_pattern, description='%s kernel module',
>> postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata,
>> extra_depends='%s-%s' % (kernel_package_name, kernel_version))
>> if modules:
>> metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE')
>> d.appendVar('RDEPENDS_' + metapkg, ' '+' '.join(modules))
>> diff --git a/meta/classes/kernel.bbclass
>> b/meta/classes/kernel.bbclass
>> index 756707a3c2..48b718d777 100644
>> --- a/meta/classes/kernel.bbclass
>> +++ b/meta/classes/kernel.bbclass
>> @@ -1,6 +1,9 @@
>> inherit linux-kernel-base kernel-module-split
>>
>> -PROVIDES += "virtual/kernel"
>> +KERNEL_PACKAGE_NAME ??= "kernel"
>> +KERNEL_DEPLOYSUBDIR ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME",
>> True) == "kernel") else d.getVar("KERNEL_PACKAGE_NAME", True) }"
>> +
>> +PROVIDES += "${@ "virtual/kernel" if
>> (d.getVar("KERNEL_PACKAGE_NAME", True) == "kernel") else "" }"
>> DEPENDS += "virtual/${TARGET_PREFIX}binutils
>> virtual/${TARGET_PREFIX}gcc kmod-native bc-native lzop-native"
>> PACKAGE_WRITE_DEPS += "depmodwrapper-cross"
>>
>> @@ -34,11 +37,32 @@ KERNEL_VERSION_PKG_NAME = "${@legitimize_package_
>> name(d.getVar('KERNEL_VERSION')
>> KERNEL_VERSION_PKG_NAME[vardepvalue] = "${LINUX_VERSION}"
>>
>> python __anonymous () {
>> + pn = d.getVar("PN", True)
>> + kpn = d.getVar("KERNEL_PACKAGE_NAME", True)
>> +
>> + # XXX Remove this after bug 11905 is resolved
>> + # FILES_${KERNEL_PACKAGE_NAME}-dev doesn't expand correctly
>> + if kpn == pn:
>> + bb.warn("Some packages (E.g. *-dev) might be missing due to
>> "
>> + "bug 11905 (variable KERNEL_PACKAGE_NAME == PN)")
>> +
>> + # The default kernel recipe builds in a shared location defined
>> by
>> + # bitbake/distro confs: STAGING_KERNEL_DIR and
>> STAGING_KERNEL_BUILDDIR.
>> + # Set these variables to directories under ${WORKDIR} in
>> alternate
>> + # kernel recipes (I.e. where KERNEL_PACKAGE_NAME != kernel) so
>> that they
>> + # may build in parallel with the default kernel without
>> clobbering.
>> + if kpn != "kernel":
>> + workdir = d.getVar("WORKDIR", True)
>> + sourceDir = os.path.join(workdir, 'kernel-source')
>> + artifactsDir = os.path.join(workdir, 'kernel-build-
>> artifacts')
>> + d.setVar("STAGING_KERNEL_DIR", sourceDir)
>> + d.setVar("STAGING_KERNEL_BUILDDIR", artifactsDir)
>>
>> # Merge KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE into
>> KERNEL_IMAGETYPES
>> type = d.getVar('KERNEL_IMAGETYPE') or ""
>> alttype = d.getVar('KERNEL_ALT_IMAGETYPE') or ""
>> types = d.getVar('KERNEL_IMAGETYPES') or ""
>> + kname = d.getVar('KERNEL_PACKAGE_NAME', True) or "kernel"
>> if type not in types.split():
>> types = (type + ' ' + types).strip()
>> if alttype not in types.split():
>> @@ -55,15 +79,15 @@ python __anonymous () {
>> typelower = type.lower()
>> imagedest = d.getVar('KERNEL_IMAGEDEST')
>>
>> - d.appendVar('PACKAGES', ' ' + 'kernel-image-' + typelower)
>> + d.appendVar('PACKAGES', ' %s-image-%s' % (kname, typelower))
>>
>> - d.setVar('FILES_kernel-image-' + typelower, '/' + imagedest
>> + '/' + type + '-${KERNEL_VERSION_NAME}' + ' /' + imagedest + '/' +
>> type)
>> + d.setVar('FILES_' + kname + '-image-' + typelower, '/' +
>> imagedest + '/' + type + '-${KERNEL_VERSION_NAME}' + ' /' + imagedest
>> + '/' + type)
>>
>> - d.appendVar('RDEPENDS_kernel-image', ' ' + 'kernel-image-' +
>> typelower)
>> + d.appendVar('RDEPENDS_%s-image' % kname, ' %s-image-%s' %
>> (kname, typelower))
>>
>> - d.setVar('PKG_kernel-image-' + typelower, 'kernel-image-' +
>> typelower + '-${KERNEL_VERSION_PKG_NAME}')
>> + d.setVar('PKG_%s-image-%s' % (kname,typelower), '%s-image-
>> %s-${KERNEL_VERSION_PKG_NAME}' % (kname, typelower))
>>
>> - d.setVar('ALLOW_EMPTY_kernel-image-' + typelower, '1')
>> + d.setVar('ALLOW_EMPTY_%s-image-%s' % (kname, typelower),
>> '1')
>>
>> image = d.getVar('INITRAMFS_IMAGE')
>> if image:
>> @@ -121,9 +145,9 @@ base_do_unpack_append () {
>>
>> inherit kernel-arch deploy
>>
>> -PACKAGES_DYNAMIC += "^kernel-module-.*"
>> -PACKAGES_DYNAMIC += "^kernel-image-.*"
>> -PACKAGES_DYNAMIC += "^kernel-firmware-.*"
>> +PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-module-.*"
>> +PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-image-.*"
>> +PACKAGES_DYNAMIC += "^${KERNEL_PACKAGE_NAME}-firmware-.*"
>>
>> export OS = "${TARGET_OS}"
>> export CROSS_COMPILE = "${TARGET_PREFIX}"
>> @@ -339,7 +363,9 @@ kernel_do_install() {
>> install -d ${D}/boot
>> for type in ${KERNEL_IMAGETYPES} ; do
>> install -m 0644 ${KERNEL_OUTPUT_DIR}/${type}
>> ${D}/${KERNEL_IMAGEDEST}/${type}-${KERNEL_VERSION}
>> - ln -sf ${type}-${KERNEL_VERSION}
>> ${D}/${KERNEL_IMAGEDEST}/${type}
>> + if [ "${KERNEL_PACKAGE_NAME}" == "kernel" ]; then
>> + ln -sf ${type}-${KERNEL_VERSION}
>> ${D}/${KERNEL_IMAGEDEST}/${type}
>> + fi
>> done
>> install -m 0644 System.map ${D}/boot/System.map-
>> ${KERNEL_VERSION}
>> install -m 0644 .config ${D}/boot/config-${KERNEL_VERSION}
>> @@ -393,9 +419,9 @@ do_shared_workdir_setscene () {
>>
>> emit_depmod_pkgdata() {
>> # Stash data for depmod
>> - install -d ${PKGDESTWORK}/kernel-depmod/
>> - echo "${KERNEL_VERSION}" > ${PKGDESTWORK}/kernel-
>> depmod/kernel-abiversion
>> - cp ${B}/System.map ${PKGDESTWORK}/kernel-depmod/System.map-
>> ${KERNEL_VERSION}
>> + install -d ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/
>> + echo "${KERNEL_VERSION}" >
>> ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-depmod/${KERNEL_PACKAGE_NAME}-
>> abiversion
>> + cp ${B}/System.map ${PKGDESTWORK}/${KERNEL_PACKAGE_NAME}-
>> depmod/System.map-${KERNEL_VERSION}
>> }
>>
>> PACKAGEFUNCS += "emit_depmod_pkgdata"
>> @@ -410,7 +436,7 @@ do_shared_workdir () {
>> # Store the kernel version in sysroots for module-
>> base.bbclass
>> #
>>
>> - echo "${KERNEL_VERSION}" > $kerneldir/kernel-abiversion
>> + echo "${KERNEL_VERSION}" >
>> $kerneldir/${KERNEL_PACKAGE_NAME}-abiversion
>>
>> # Copy files required for module builds
>> cp System.map $kerneldir/System.map-${KERNEL_VERSION}
>> @@ -508,28 +534,28 @@ EXPORT_FUNCTIONS do_compile do_install
>> do_configure
>>
>> # kernel-base becomes kernel-${KERNEL_VERSION}
>> # kernel-image becomes kernel-image-${KERNEL_VERSION}
>> -PACKAGES = "kernel kernel-base kernel-vmlinux kernel-image kernel-
>> dev kernel-modules"
>> +PACKAGES = "${KERNEL_PACKAGE_NAME} ${KERNEL_PACKAGE_NAME}-base
>> ${KERNEL_PACKAGE_NAME}-vmlinux ${KERNEL_PACKAGE_NAME}-image
>> ${KERNEL_PACKAGE_NAME}-dev ${KERNEL_PACKAGE_NAME}-modules"
>> FILES_${PN} = ""
>> -FILES_kernel-base =
>> "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order
>> ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin"
>> -FILES_kernel-image = ""
>> -FILES_kernel-dev = "/boot/System.map* /boot/Module.symvers*
>> /boot/config* ${KERNEL_SRC_PATH}
>> ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
>> -FILES_kernel-vmlinux = "/boot/vmlinux-${KERNEL_VERSION_NAME}"
>> -FILES_kernel-modules = ""
>> -RDEPENDS_kernel = "kernel-base"
>> +FILES_${KERNEL_PACKAGE_NAME}-base =
>> "${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.order
>> ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/modules.builtin"
>> +FILES_${KERNEL_PACKAGE_NAME}-image = ""
>> +FILES_${KERNEL_PACKAGE_NAME}-dev = "/boot/System.map*
>> /boot/Module.symvers* /boot/config* ${KERNEL_SRC_PATH}
>> ${nonarch_base_libdir}/modules/${KERNEL_VERSION}/build"
>> +FILES_${KERNEL_PACKAGE_NAME}-vmlinux = "/boot/vmlinux-
>> ${KERNEL_VERSION_NAME}"
>> +FILES_${KERNEL_PACKAGE_NAME}-modules = ""
>> +RDEPENDS_${KERNEL_PACKAGE_NAME} = "${KERNEL_PACKAGE_NAME}-base"
>> # Allow machines to override this dependency if kernel image files
>> are
>> # not wanted in images as standard
>> -RDEPENDS_kernel-base ?= "kernel-image"
>> -PKG_kernel-image = "kernel-image-${@legitimize_package_name('${KERNE
>> L_VERSION}')}"
>> -RDEPENDS_kernel-image += "${@base_conditional('KERNEL_IMAGETYPE',
>> 'vmlinux', 'kernel-vmlinux', '', d)}"
>> -PKG_kernel-base = "kernel-${@legitimize_package_name('${KERNEL_VERSI
>> ON}')}"
>> -RPROVIDES_kernel-base += "kernel-${KERNEL_VERSION}"
>> -ALLOW_EMPTY_kernel = "1"
>> -ALLOW_EMPTY_kernel-base = "1"
>> -ALLOW_EMPTY_kernel-image = "1"
>> -ALLOW_EMPTY_kernel-modules = "1"
>> -DESCRIPTION_kernel-modules = "Kernel modules meta package"
>> -
>> -pkg_postinst_kernel-base () {
>> +RDEPENDS_${KERNEL_PACKAGE_NAME}-base ?= "${KERNEL_PACKAGE_NAME}-
>> image"
>> +PKG_${KERNEL_PACKAGE_NAME}-image = "${KERNEL_PACKAGE_NAME}-image-${@
>> legitimize_package_name('${KERNEL_VERSION}')}"
>> +RDEPENDS_${KERNEL_PACKAGE_NAME}-image += "${@base_conditional('KERNE
>> L_IMAGETYPE', 'vmlinux', '${KERNEL_PACKAGE_NAME}-vmlinux', '', d)}"
>> +PKG_${KERNEL_PACKAGE_NAME}-base = "${KERNEL_PACKAGE_NAME}-${@legitim
>> ize_package_name('${KERNEL_VERSION}')}"
>> +RPROVIDES_${KERNEL_PACKAGE_NAME}-base += "${KERNEL_PACKAGE_NAME}-
>> ${KERNEL_VERSION}"
>> +ALLOW_EMPTY_${KERNEL_PACKAGE_NAME} = "1"
>> +ALLOW_EMPTY_${KERNEL_PACKAGE_NAME}-base = "1"
>> +ALLOW_EMPTY_${KERNEL_PACKAGE_NAME}-image = "1"
>> +ALLOW_EMPTY_${KERNEL_PACKAGE_NAME}-modules = "1"
>> +DESCRIPTION_${KERNEL_PACKAGE_NAME}-modules = "Kernel modules meta
>> package"
>> +
>> +pkg_postinst_${KERNEL_PACKAGE_NAME}-base () {
>> if [ ! -e "$D/lib/modules/${KERNEL_VERSION}" ]; then
>> mkdir -p $D/lib/modules/${KERNEL_VERSION}
>> fi
>> @@ -543,7 +569,7 @@ pkg_postinst_kernel-base () {
>> PACKAGESPLITFUNCS_prepend = "split_kernel_packages "
>>
>> python split_kernel_packages () {
>> - do_split_packages(d, root='${nonarch_base_libdir}/firmware',
>> file_regex='^(.*)\.(bin|fw|cis|csp|dsp)$', output_pattern='kernel-
>> firmware-%s', description='Firmware for %s', recursive=True,
>> extra_depends='')
>> + do_split_packages(d, root='${nonarch_base_libdir}/firmware',
>> file_regex='^(.*)\.(bin|fw|cis|csp|dsp)$',
>> output_pattern='${KERNEL_PACKAGE_NAME}-firmware-%s',
>> description='Firmware for %s', recursive=True, extra_depends='')
>> }
>>
>> # Many scripts want to look in arch/$arch/boot for the bootable
>> @@ -626,21 +652,27 @@ MODULE_TARBALL_SYMLINK_NAME ?= "modules-
>> ${MACHINE}.tgz"
>> MODULE_TARBALL_DEPLOY ?= "1"
>>
>> kernel_do_deploy() {
>> + deployDir="${DEPLOYDIR}"
>> + if [ -n "${KERNEL_DEPLOYSUBDIR}" ]; then
>> + deployDir="${DEPLOYDIR}/${KERNEL_DEPLOYSUBDIR}"
>> + mkdir "$deployDir"
>> + fi
>> +
>> for type in ${KERNEL_IMAGETYPES} ; do
>> base_name=${type}-${KERNEL_IMAGE_BASE_NAME}
>> - install -m 0644 ${KERNEL_OUTPUT_DIR}/${type}
>> ${DEPLOYDIR}/${base_name}.bin
>> + install -m 0644 ${KERNEL_OUTPUT_DIR}/${type}
>> $deployDir/${base_name}.bin
>> done
>> if [ ${MODULE_TARBALL_DEPLOY} = "1" ] && (grep -q -i -e
>> '^CONFIG_MODULES=y$' .config); then
>> mkdir -p ${D}/lib
>> - tar -cvzf ${DEPLOYDIR}/${MODULE_TARBALL_BASE_NAME}
>> -C ${D} lib
>> - ln -sf ${MODULE_TARBALL_BASE_NAME}
>> ${DEPLOYDIR}/${MODULE_TARBALL_SYMLINK_NAME}
>> + tar -cvzf $deployDir/${MODULE_TARBALL_BASE_NAME} -C
>> ${D} lib
>> + ln -sf ${MODULE_TARBALL_BASE_NAME}
>> $deployDir/${MODULE_TARBALL_SYMLINK_NAME}
>> fi
>>
>> for type in ${KERNEL_IMAGETYPES} ; do
>> base_name=${type}-${KERNEL_IMAGE_BASE_NAME}
>> symlink_name=${type}-${KERNEL_IMAGE_SYMLINK_NAME}
>> - ln -sf ${base_name}.bin
>> ${DEPLOYDIR}/${symlink_name}.bin
>> - ln -sf ${base_name}.bin ${DEPLOYDIR}/${type}
>> + ln -sf ${base_name}.bin
>> $deployDir/${symlink_name}.bin
>> + ln -sf ${base_name}.bin $deployDir/${type}
>> done
>>
>> cd ${B}
>> @@ -650,8 +682,8 @@ kernel_do_deploy() {
>> echo "Copying deploy ${type} kernel-
>> initramfs image and setting up links..."
>> initramfs_base_name=${type}-
>> ${INITRAMFS_BASE_NAME}
>> initramfs_symlink_name=${type}-initramfs-
>> ${MACHINE}
>> - install -m 0644
>> ${KERNEL_OUTPUT_DIR}/${type}.initramfs
>> ${DEPLOYDIR}/${initramfs_base_name}.bin
>> - ln -sf ${initramfs_base_name}.bin
>> ${DEPLOYDIR}/${initramfs_symlink_name}.bin
>> + install -m 0644
>> ${KERNEL_OUTPUT_DIR}/${type}.initramfs
>> $deployDir/${initramfs_base_name}.bin
>> + ln -sf ${initramfs_base_name}.bin
>> $deployDir/${initramfs_symlink_name}.bin
>> fi
>> done
>> }
>> diff --git a/meta/conf/documentation.conf
>> b/meta/conf/documentation.conf
>> index a55e2836b5..2c88504fb9 100644
>> --- a/meta/conf/documentation.conf
>> +++ b/meta/conf/documentation.conf
>> @@ -247,6 +247,7 @@ KERNEL_IMAGETYPE[doc] = "The type of kernel to
>> build for a device, usually set b
>> KERNEL_IMAGETYPES[doc] = "The list of types of kernel to build for a
>> device, usually set by the machine configuration files and defaults
>> to KERNEL_IMAGETYPE."
>> KERNEL_MODULE_AUTOLOAD[doc] = "Lists kernel modules that need to be
>> auto-loaded during boot"
>> KERNEL_MODULE_PROBECONF[doc] = "Lists kernel modules for which the
>> build system expects to find module_conf_* values that specify
>> configuration for each of the modules"
>> +KERNEL_PACKAGE_NAME[doc] = "Name prefix for kernel packages.
>> Defaults to 'kernel'."
>> KERNEL_PATH[doc] = "The location of the kernel sources. This
>> variable is set to the value of the STAGING_KERNEL_DIR within the
>> module class (module.bbclass)."
>> KERNEL_SRC[doc] = "The location of the kernel sources. This variable
>> is set to the value of the STAGING_KERNEL_DIR within the module class
>> (module.bbclass)."
>> KFEATURE_DESCRIPTION[doc] = "Provides a short description of a
>> configuration fragment. You use this variable in the .scc file that
>> describes a configuration fragment file."
>> diff --git a/meta/recipes-kernel/kmod/depmodwrapper-cross_1.0.bb
>> b/meta/recipes-kernel/kmod/depmodwrapper-cross_1.0.bb
>> index 44d013f29d..2eec921728 100644
>> --- a/meta/recipes-kernel/kmod/depmodwrapper-cross_1.0.bb
>> +++ b/meta/recipes-kernel/kmod/depmodwrapper-cross_1.0.bb
>> @@ -23,17 +23,13 @@ if [ "\$1" != "-a" -o "\$2" != "-b" ]; then
>> echo "Usage: depmodwrapper -a -b rootfs KERNEL_VERSION" >&2
>> exit 1
>> fi
>> -if [ ! -r ${PKGDATA_DIR}/kernel-depmod/kernel-abiversion ]; then
>> - echo "Unable to read: ${PKGDATA_DIR}/kernel-depmod/kernel-
>> abiversion" >&2
>> -else
>> - kernelabi=\$(cat ${PKGDATA_DIR}/kernel-depmod/kernel-abiversion)
>> - if [ "\$kernelabi" != "\$4" ]; then
>> - echo "Error: Kernel version \$4 does not match kernel-
>> abiversion (\$kernelabi)" >&2
>> - exit 1
>> - fi
>> +
>> +kernelabi=""
>> +if [ -r "${PKGDATA_DIR}/kernel-depmod/kernel-abiversion" ]; then
>> + kernelabi=\$(cat "${PKGDATA_DIR}/kernel-depmod/kernel-
>> abiversion")
>> fi
>>
>> -if [ ! -r ${PKGDATA_DIR}/kernel-depmod/System.map-\$4 ]; then
>> +if [ ! -r ${PKGDATA_DIR}/kernel-depmod/System.map-\$4 ] || [
>> "\$kernelabi" != "\$4" ]; then
>> echo "Unable to read: ${PKGDATA_DIR}/kernel-depmod/System.map-
>> \$4" >&2
>> exec env depmod "\$1" "\$2" "\$3" "\$4"
>> else
>> diff --git a/meta/recipes-kernel/linux/linux-yocto-rt_4.10.bb
>> b/meta/recipes-kernel/linux/linux-yocto-rt_4.10.bb
>> index f93d9530eb..894e2ffbf6 100644
>> --- a/meta/recipes-kernel/linux/linux-yocto-rt_4.10.bb
>> +++ b/meta/recipes-kernel/linux/linux-yocto-rt_4.10.bb
>> @@ -7,7 +7,7 @@ require recipes-kernel/linux/linux-yocto.inc
>> # to build multiple virtual/kernel providers, e.g. as dependency of
>> # core-image-rt-sdk, core-image-rt.
>> python () {
>> - if d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-
>> yocto-rt":
>> + if d.getVar("KERNEL_PACKAGE_NAME", True) == "kernel" and
>> d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-yocto-rt":
>> raise bb.parse.SkipPackage("Set
>> PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
>> }
>>
>> diff --git a/meta/recipes-kernel/linux/linux-yocto-rt_4.12.bb
>> b/meta/recipes-kernel/linux/linux-yocto-rt_4.12.bb
>> index c49a9340f8..be4d163ff1 100644
>> --- a/meta/recipes-kernel/linux/linux-yocto-rt_4.12.bb
>> +++ b/meta/recipes-kernel/linux/linux-yocto-rt_4.12.bb
>> @@ -7,7 +7,7 @@ require recipes-kernel/linux/linux-yocto.inc
>> # to build multiple virtual/kernel providers, e.g. as dependency of
>> # core-image-rt-sdk, core-image-rt.
>> python () {
>> - if d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-
>> yocto-rt":
>> + if d.getVar("KERNEL_PACKAGE_NAME", True) == "kernel" and
>> d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-yocto-rt":
>> raise bb.parse.SkipPackage("Set
>> PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
>> }
>>
>> diff --git a/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
>> b/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
>> index 25d88833a9..e489bbb9f2 100644
>> --- a/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
>> +++ b/meta/recipes-kernel/linux/linux-yocto-rt_4.4.bb
>> @@ -7,7 +7,7 @@ require recipes-kernel/linux/linux-yocto.inc
>> # to build multiple virtual/kernel providers, e.g. as dependency of
>> # core-image-rt-sdk, core-image-rt.
>> python () {
>> - if d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-
>> yocto-rt":
>> + if d.getVar("KERNEL_PACKAGE_NAME", True) == "kernel" and
>> d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-yocto-rt":
>> raise bb.parse.SkipPackage("Set
>> PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
>> }
>>
>> diff --git a/meta/recipes-kernel/linux/linux-yocto-rt_4.9.bb
>> b/meta/recipes-kernel/linux/linux-yocto-rt_4.9.bb
>> index 6734dc0d05..8212b1445c 100644
>> --- a/meta/recipes-kernel/linux/linux-yocto-rt_4.9.bb
>> +++ b/meta/recipes-kernel/linux/linux-yocto-rt_4.9.bb
>> @@ -7,7 +7,7 @@ require recipes-kernel/linux/linux-yocto.inc
>> # to build multiple virtual/kernel providers, e.g. as dependency of
>> # core-image-rt-sdk, core-image-rt.
>> python () {
>> - if d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-
>> yocto-rt":
>> + if d.getVar("KERNEL_PACKAGE_NAME", True) == "kernel" and
>> d.getVar("PREFERRED_PROVIDER_virtual/kernel") != "linux-yocto-rt":
>> raise bb.parse.SkipPackage("Set
>> PREFERRED_PROVIDER_virtual/kernel to linux-yocto-rt to enable it")
>> }
>>
>> diff --git a/meta/recipes-kernel/linux/linux-yocto.inc
>> b/meta/recipes-kernel/linux/linux-yocto.inc
>> index 9c1f61be75..8a70eb5018 100644
>> --- a/meta/recipes-kernel/linux/linux-yocto.inc
>> +++ b/meta/recipes-kernel/linux/linux-yocto.inc
>> @@ -12,7 +12,7 @@ INC_PR = "r4"
>> # PREFERRED_PROVIDER for virtual/kernel. This avoids network access
>> required
>> # by the use of AUTOREV SRCREVs, which are the default for this
>> recipe.
>> python () {
>> - if d.getVar("PREFERRED_PROVIDER_virtual/kernel") !=
>> d.getVar("PN"):
>> + if d.getVar("KERNEL_PACKAGE_NAME", True) == "kernel" and
>> d.getVar("PREFERRED_PROVIDER_virtual/kernel", True) != d.getVar("PN",
>> True):
>> d.delVar("BB_DONT_CACHE")
>> raise bb.parse.SkipPackage("Set
>> PREFERRED_PROVIDER_virtual/kernel to %s to enable it" %
>> (d.getVar("PN")))
>> }
>> --
>> 2.14.2
>>
> --
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