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documentation/dev-manual/dev-manual-kernel-appendix.xml: Updated Note 

Updated a note to include information about what happens if you do a
kernel build and have your machine compatible with every possible
kernel.  This extra information is useful for rational.

Reported-by: Bruce Ashfield <bruce.ashfield@windriver.com>
(From yocto-docs rev: e631ec44be49d456add6a53ff3db89016d187370)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark 2012-05-30 13:14:28 -07:00 committed by Richard Purdie
parent a23636b6aa
commit 69536d42f1
1 changed files with 8 additions and 4 deletions
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documentation/dev-manual/dev-manual-kernel-appendix.xml
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@ -442,15 +442,19 @@
</para>
<note>
Before attempting to build the modified kernel, there is one more set of changes you
<para>Before attempting to build the modified kernel, there is one more set of changes you
need to make in the <filename>meta-kernel-dev</filename> layer.
Because all the kernel <filename>.bbappend</filename> files are parsed during the
build process regardless of whether you are using them or not, you should either
comment out the <filename>COMPATIBLE_MACHINE</filename> statements in all
unused <filename>.bbappend</filename> files.
Alternatively, you can simply remove all the files
unused <filename>.bbappend</filename> files, or simply remove (or rename) all the files
except the one your are using for the build
(i.e. <filename>linux-yocto_3.2.bbappend</filename> in this example).
(i.e. <filename>linux-yocto_3.2.bbappend</filename> in this example).</para>
<para>If you do not make one of these two adjustments, your machine will be compatible
with all the kernel recipes in the <filename>meta-kernel-dev</filename> layer.
When your machine is comapatible with all the kernel recipes, the build attempts
to build all kernels in the layer.
You could end up with build errors blocking your work.</para>
</note>
</section>