From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga09.intel.com ([134.134.136.24]) by linuxtogo.org with esmtp (Exim 4.72) (envelope-from ) id 1TOwT6-0005G4-4O for openembedded-core@lists.openembedded.org; Thu, 18 Oct 2012 22:13:24 +0200 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 18 Oct 2012 12:59:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,608,1344236400"; d="scan'208";a="229391014" Received: from unknown (HELO [10.255.13.210]) ([10.255.13.210]) by orsmga002.jf.intel.com with ESMTP; 18 Oct 2012 13:00:02 -0700 Message-ID: <50805FC2.2080704@linux.intel.com> Date: Thu, 18 Oct 2012 13:00:02 -0700 From: Saul Wold User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 MIME-Version: 1.0 To: Phil Blundell References: <1348660947.31293.105.camel@phil-desktop> In-Reply-To: <1348660947.31293.105.camel@phil-desktop> Cc: openembedded-core Subject: Re: [PATCH] kernel.bbclass, module.bbclass: Make update-modules optional X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Oct 2012 20:13:24 -0000 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 09/26/2012 05:02 AM, Phil Blundell wrote: > The update-modules mechanism is something of a historical relic and it isn't > entirely clear that it has a great deal of value nowadays. Also, it causes a > problem when building a read-only rootfs since update-modules itself refuses > to configure offline. > > Allow DISTROs to circumvent this whole thing by declaring (via DISTRO_FEATURES) > that they don't wish to use update-modules. This is backfilled for existing > distributions and will have to be marked as CONSIDERED by those who actually > don't want it. > > Signed-off-by: Phil Blundell > --- > meta/classes/kernel.bbclass | 24 ++++++++++++++++-------- > meta/classes/module.bbclass | 2 +- > meta/conf/bitbake.conf | 2 +- > 3 files changed, 18 insertions(+), 10 deletions(-) > Merged into OE-Core Thanks Sau! > diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass > index fdef1be..d3af67c 100644 > --- a/meta/classes/kernel.bbclass > +++ b/meta/classes/kernel.bbclass > @@ -398,10 +398,12 @@ python populate_packages_prepend () { > > dvar = d.getVar('PKGD', True) > > + use_update_modules = oe.utils.contains('DISTRO_FEATURES', 'update-modules', True, False, d) > + > # If autoloading is requested, output /etc/modules-load.d/.conf and append > # appropriate modprobe commands to the postinst > autoload = d.getVar('module_autoload_%s' % basename, True) > - if autoload: > + if autoload and use_update_modules: > name = '%s/etc/modules-load.d/%s.conf' % (dvar, basename) > f = open(name, 'w') > for m in autoload.split(): > @@ -415,15 +417,16 @@ python populate_packages_prepend () { > > # Write out any modconf fragment > modconf = d.getVar('module_conf_%s' % basename, True) > - if modconf: > + if modconf and use_update_modules: > name = '%s/etc/modprobe.d/%s.conf' % (dvar, basename) > f = open(name, 'w') > f.write("%s\n" % modconf) > f.close() > > - files = d.getVar('FILES_%s' % pkg, True) > - files = "%s /etc/modules-load.d/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename) > - d.setVar('FILES_%s' % pkg, files) > + if use_update_modules: > + files = d.getVar('FILES_%s' % pkg, True) > + files = "%s /etc/modules-load.d/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename) > + d.setVar('FILES_%s' % pkg, files) > > if vals.has_key("description"): > old_desc = d.getVar('DESCRIPTION_' + pkg, True) or "" > @@ -441,12 +444,17 @@ python populate_packages_prepend () { > module_regex = '^(.*)\.k?o$' > module_pattern = 'kernel-module-%s' > > - postinst = d.getVar('pkg_postinst_modules', True) > - postrm = d.getVar('pkg_postrm_modules', True) > + use_update_modules = oe.utils.contains('DISTRO_FEATURES', 'update-modules', True, False, d) > + if use_update_modules: > + postinst = d.getVar('pkg_postinst_modules', True) > + postrm = d.getVar('pkg_postrm_modules', True) > + else: > + postinst = None > + postrm = None > do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.bin$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='') > do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.fw$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='') > do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.cis$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='') > - do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules kernel-%s' % d.getVar("KERNEL_VERSION", True)) > + do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='%skernel-%s' % (['', 'update-modules '][use_update_modules], d.getVar("KERNEL_VERSION", True))) > > # 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/module.bbclass b/meta/classes/module.bbclass > index c721202..e8d32eb 100644 > --- a/meta/classes/module.bbclass > +++ b/meta/classes/module.bbclass > @@ -1,4 +1,4 @@ > -RDEPENDS += "kernel-image update-modules" > +RDEPENDS_${PN} += "kernel-image ${@oe.utils.contains('DISTRO_FEATURES', 'update-modules', 'update-modules', '', d)}" > DEPENDS += "virtual/kernel" > > inherit module-base > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf > index 3496d2b..5196018 100644 > --- a/meta/conf/bitbake.conf > +++ b/meta/conf/bitbake.conf > @@ -724,7 +724,7 @@ MACHINE_ESSENTIAL_EXTRA_RDEPENDS ?= "" > MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS ?= "" > IMAGE_FEATURES += "${EXTRA_IMAGE_FEATURES}" > > -DISTRO_FEATURES_BACKFILL = "pulseaudio" > +DISTRO_FEATURES_BACKFILL = "pulseaudio update-modules" > DISTRO_FEATURES_append = "${@oe.utils.features_backfill("DISTRO_FEATURES",d)}" > > MACHINE_FEATURES_BACKFILL = "rtc" >