[yocto] [yocto-docs][PATCH] kernel-dev: Updates "Generating Configuration Files" section
Darren Hart
dvhart at linux.intel.com
Mon Mar 10 17:47:43 PDT 2014
On 3/10/14, 15:02, "Rifenbark, Scott M" <scott.m.rifenbark at intel.com>
wrote:
>What you are saying is that the current method works for pre-1.6. And,
>the proposed changes from the patch apply only to 1.6 and on. I would
>apply the patch only to the "latest" version of the docs, which is the
>tip of master and will be for 1.6.
OK. My hesitation/question here is about the expectation of the document.
If someone is working on the 1.5 release, should they ONLY use the 1.5
documentation? Does this mean you "backport" fixes from the current
development docs back to the previous releases of the docs?
--
Darren
>
>Scott
>
>>-----Original Message-----
>>From: Darren Hart [mailto:dvhart at linux.intel.com]
>>Sent: Monday, March 10, 2014 5:00 PM
>>To: Rifenbark, Scott M; João Henrique Ferreira de Freitas;
>>yocto at yoctoproject.org
>>Subject: Re: [yocto] [yocto-docs][PATCH] kernel-dev: Updates "Generating
>>Configuration Files" section
>>
>>On 3/10/14, 14:55, "Rifenbark, Scott M" <scott.m.rifenbark at intel.com>
>>wrote:
>>
>>>Yes - the manual for 1.6 is only for that release. I would have to
>>>take separate steps to apply it to dora or Dylan branches.
>>
>>The point there being that someone reading the current manual and working
>>on the 1.5 releases, would find these proposed changes will fail. The
>>method
>>being removed here would work on all versions since this document was
>>created.
>>
>>--
>>Darren
>>
>>>
>>>>-----Original Message-----
>>>>From: Darren Hart [mailto:dvhart at linux.intel.com]
>>>>Sent: Monday, March 10, 2014 4:52 PM
>>>>To: João Henrique Ferreira de Freitas; yocto at yoctoproject.org
>>>>Cc: Rifenbark, Scott M
>>>>Subject: Re: [yocto] [yocto-docs][PATCH] kernel-dev: Updates
>>>>"Generating Configuration Files" section
>>>>
>>>>On 3/5/14, 18:20, "João Henrique Ferreira de Freitas"
>>>><joaohf at gmail.com>
>>>>wrote:
>>>>
>>>>>Add a new step about how to use diffconfig task to create kernel
>>>>>config fragments.
>>>>>
>>>>>[YOCTO #3862]
>>>>>
>>>>>Signed-off-by: João Henrique Ferreira de Freitas <joaohf at gmail.com>
>>>>
>>>>Thank you for updating the documentation. Please Cc: the relevant
>>>>parties with patches to the list (the author for one, and a git log
>>>>would reveal Scott R.
>>>>as the next obvious owner).
>>>>
>>>>Scott, This is good stuff to add. My only thought is this is new
>>>>functionality, the old method is still valid - and necessary before
>>>>1.6.
>>>>What are your thoughts on dealing with this? Does the manual with 1.6
>>>>ONLY apply to 1.6?
>>>>
>>>>--
>>>>Darren
>>>>
>>>>>---
>>>>> documentation/kernel-dev/kernel-dev-common.xml | 25
>>>>>+++++++++----------------
>>>>> 1 file changed, 9 insertions(+), 16 deletions(-)
>>>>>
>>>>>diff --git a/documentation/kernel-dev/kernel-dev-common.xml
>>>>>b/documentation/kernel-dev/kernel-dev-common.xml
>>>>>index a152f9f..de04a39 100644
>>>>>--- a/documentation/kernel-dev/kernel-dev-common.xml
>>>>>+++ b/documentation/kernel-dev/kernel-dev-common.xml
>>>>>@@ -342,32 +342,25 @@
>>>>> <literallayout class='monospaced'>
>>>>> $ bitbake linux-yocto -c kernel_configme -f
>>>>> </literallayout></para></listitem>
>>>>>- <listitem><para>Copy and rename the resulting
>>>>>- <filename>.config</filename> file (e.g.
>>>>>- <filename>config.orig</filename>).
>>>>>- </para></listitem>
>>>>> <listitem><para>Run the
>>>>><filename>menuconfig</filename>
>>>>> command:
>>>>> <literallayout class='monospaced'>
>>>>> $ bitbake linux-yocto -c menuconfig
>>>>> </literallayout></para></listitem>
>>>>>- <listitem><para>Prepare a configuration fragment
>>>>>based on
>>>>>- the differences between the two files.
>>>>>- </para></listitem>
>>>>>+ <listitem><para>Run the
>>>>><filename>diffconfig</filename>
>>>>>+ command to prepare a configuration fragment.
>>>>>+ The result file
>>>>><filename>fragment.cfg</filename> will be placed in
>>>>>+ <filename>${</filename><ulink
>>>>>url='&YOCTO_DOCS_REF_URL;#var-
>>>>WORKDIR'><filename>WORKDIR</filename></ul
>>>>>ink
>>>>>><filename>}</filename> directory:
>>>>>+ <literallayout class='monospaced'>
>>>>>+ $ bitbake linux-yocto -c diffconfig
>>>>>+ </literallayout></para></listitem>
>>>>> </orderedlist>
>>>>> </para>
>>>>>
>>>>> <para>
>>>>>- Ultimately, the configuration fragment file needs to
>>>>>be a
>>>>>+ The <filename>diffconfig</filename> command creates
>>>>>+ a
>>>>>file that is a
>>>>> list of Linux kernel <filename>CONFIG_</filename>
>>>>>assignments.
>>>>>- It cannot be in <filename>diff</filename> format.
>>>>>- Here is an example of a command that creates your
>>>>>- configuration fragment file.
>>>>>- Regardless of the exact command you use, plan on
>>>>>reviewing
>>>>>- the output as you can usually remove some of the
>>>>>defaults:
>>>>>- <literallayout class='monospaced'>
>>>>>- $ diff -Nurp config.orig .config | sed -n "s/^\+//p" > frag.cfg
>>>>>- </literallayout>
>>>>>+
>>>>> See the "<link
>>>>>linkend='changing-the-configuration'>Changing the
>>>>>Configuration</link>"
>>>>> section for information on how to use the output as a
>>>>> configuration fragment.
>>>>>--
>>>>>1.8.3.2
>>>>>
>>>>>_______________________________________________
>>>>>yocto mailing list
>>>>>yocto at yoctoproject.org
>>>>>https://lists.yoctoproject.org/listinfo/yocto
>>>>>
>>>>
>>>>
>>>>--
>>>>Darren Hart
>>>>Yocto Project - Linux Kernel
>>>>Intel Open Source Technology Center
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>>--
>>Darren Hart
>>Yocto Project - Linux Kernel
>>Intel Open Source Technology Center
>>
>>
>>
>
>
--
Darren Hart
Yocto Project - Linux Kernel
Intel Open Source Technology Center
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