On 06/26/2017 06:50 PM, Bruce Ashfield wrote:


On Wed, Jun 21, 2017 at 8:00 AM, Heghedus Razvan <razvan.heghe...@ni.com <mailto:razvan.heghe...@ni.com>> wrote:

    Make all dependencies from kernel family packages which depend
    on another kernel related package to depend on the same version.
    This creates a consistent state where kernel, kernel images and
    kernel modules have the same version, making a kernel upgrade
    leading to upgrades of the image and modules.

    The upgrade works only if the KERNEL_VERSION_PKG_NAME remains
    the same for the newer versions.

    Signed-off-by: Heghedus Razvan <razvan.heghe...@ni.com
    <mailto:razvan.heghe...@ni.com>>
    ---
     meta/classes/kernel-module-split.bbclass  |  7 ++++---
     meta/classes/kernel.bbclass               | 15 +++++++++------
     meta/recipes-kernel/linux/linux-yocto.inc |  4 ++++
     3 files changed, 17 insertions(+), 9 deletions(-)

    diff --git a/meta/classes/kernel-module-split.bbclass
    b/meta/classes/kernel-module-split.bbclass
    index 5e10dcf735..e247e66901 100644
    --- a/meta/classes/kernel-module-split.bbclass
    +++ b/meta/classes/kernel-module-split.bbclass
    @@ -33,7 +33,7 @@ PACKAGESPLITFUNCS_prepend =
    "split_kernel_module_packages "
     KERNEL_MODULES_META_PACKAGE ?= "kernel-modules"

     KERNEL_MODULE_PACKAGE_PREFIX ?= ""
    -KERNEL_MODULE_PACKAGE_SUFFIX ?= "-${KERNEL_VERSION}"
    +KERNEL_MODULE_PACKAGE_SUFFIX ?= "-${KERNEL_VERSION_PKG_NAME}"
     KERNEL_MODULE_PROVIDE_VIRTUAL ?= "1"

     python split_kernel_module_packages () {
    @@ -114,6 +114,7 @@ python split_kernel_module_packages () {
                 for dep in vals["depends"].split(","):
                     on = legitimize_package_name(dep)
                     dependency_pkg = format % on
    +                dependency_pkg += ' ${@get_full_package_version(d)}'
                     modinfo_deps.append(dependency_pkg)
             for dep in modinfo_deps:
                 if not dep in rdepends:
    @@ -138,10 +139,10 @@ python split_kernel_module_packages () {
         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='kernel-%s %s' %
    (d.getVar("KERNEL_VERSION_PKG_NAME"), get_full_package_version(d)))
         if modules:
             metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE')
    -        d.appendVar('RDEPENDS_' + metapkg, ' '+' '.join(modules))
    +        d.appendVar('RDEPENDS_' + metapkg, ' '+' '.join(['{0}
    {1}'.format(module, get_full_package_version(d)) for module in
    modules]))

         # If modules-load.d and modprobe.d are empty at this point,
    remove them to
         # avoid warnings. removedirs only raises an OSError if an empty
    diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
    index 7a134d5c29..605c101e62 100644
    --- a/meta/classes/kernel.bbclass
    +++ b/meta/classes/kernel.bbclass
    @@ -55,7 +55,7 @@ python __anonymous () {

             d.setVar('FILES_kernel-image-' + typelower, '/' +
    imagedest + '/' + type + '-${KERNEL_VERSION_NAME}')

    -        d.appendVar('RDEPENDS_kernel-image', ' ' +
    'kernel-image-' + typelower)
    +        d.appendVar('RDEPENDS_kernel-image', ' ' +
    'kernel-image-' + typelower + ' ${@get_full_package_version(d)}')

             d.setVar('PKG_kernel-image-' + typelower, 'kernel-image-'
    + typelower + '-${KERNEL_VERSION_PKG_NAME}')

    @@ -493,14 +493,17 @@ 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"
    +RDEPENDS_kernel = "kernel-base ${@get_full_package_version(d)}"


Is that really supposed to be a space, between kernel-base and the package version call ? I guess so, since I see the same thing below in the RDEPENDS_kernel-base line below .. but it just reads strange to me. i.e. if that's a RDEPENDS, where is the
package get_full_package_version(d) created ?

Yes, the space is supposed to be there. If it's inconvenient here, it can be moved in the string returned by get_full_package_version()
Are you trying to set a generic versionless RDEPENDS and a versioned one that doesn't
contain 'kernel-' in the name ?
This will create a versioned RDEPENDS. The syntax for a versioned package is: "package_name (= package_version)". This only append the version to the current value.

     # 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-${@legitimize_package_name('${KERNEL_VERSION}')}"
    +RDEPENDS_kernel-base ?= "kernel-image
    ${@get_full_package_version(d)}"
    +PKG_kernel-image = "kernel-image-${KERNEL_VERSION_PKG_NAME}"
     RDEPENDS_kernel-image += "${@base_conditional('KERNEL_IMAGETYPE',
    'vmlinux', 'kernel-vmlinux', '', d)}"
    -PKG_kernel-base =
    "kernel-${@legitimize_package_name('${KERNEL_VERSION}')}"
    -RPROVIDES_kernel-base += "kernel-${KERNEL_VERSION}"
    +PKG_kernel-base = "kernel-${KERNEL_VERSION_PKG_NAME}"
    +RPROVIDES_kernel-base += "kernel-${KERNEL_VERSION_PKG_NAME}"
    +PKG_kernel-vmlinux = "kernel-vmlinux-${KERNEL_VERSION_PKG_NAME}"

    +PKG_kernel-modules = "kernel-modules-${KERNEL_VERSION_PKG_NAME}"
    +PKG_kernel-dev = "kernel-dev-${KERNEL_VERSION_PKG_NAME}"
     ALLOW_EMPTY_kernel = "1"
     ALLOW_EMPTY_kernel-base = "1"
     ALLOW_EMPTY_kernel-image = "1"
    diff --git a/meta/recipes-kernel/linux/linux-yocto.inc
    b/meta/recipes-kernel/linux/linux-yocto.inc
    index 637506a2a8..c3d1284ad2 100644
    --- a/meta/recipes-kernel/linux/linux-yocto.inc
    +++ b/meta/recipes-kernel/linux/linux-yocto.inc
    @@ -67,3 +67,7 @@ do_install_append(){
     addtask kernel_version_sanity_check after do_kernel_metadata
    do_kernel_checkout before do_compile
     addtask validate_branches before do_patch after do_kernel_checkout
     addtask kernel_configcheck after do_configure before do_compile
    +
    +def get_full_package_version(d):
    +    return "(= " + d.getVar("PKGV") + "-" + d.getVar("PKGR") + ")"


This doesn't belong in linux-yocto.inc, since it is called in kernel.bbclass. It needs to be in the base
class and have a namespace that indicates it is specific to the kernel.

Yeah, you're right, this shouldn't be in linux-yocto.inc. I will move it to the base class, but I need some info about namespace thing, because I don't recall reading about it in documentations.
Bruce

    +
    --
    2.13.1

    --
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--
"Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end"

--

Razvan

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