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Diffstat (limited to 'documentation/kernel-dev/common.rst')
-rw-r--r-- | documentation/kernel-dev/common.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/documentation/kernel-dev/common.rst b/documentation/kernel-dev/common.rst index 3f35d8412f..5935d6f560 100644 --- a/documentation/kernel-dev/common.rst +++ b/documentation/kernel-dev/common.rst | |||
@@ -650,6 +650,15 @@ extends the :term:`FILESPATH` | |||
650 | variable (search directories) to include the ``${PN}`` directory you | 650 | variable (search directories) to include the ``${PN}`` directory you |
651 | created to hold the configuration changes. | 651 | created to hold the configuration changes. |
652 | 652 | ||
653 | You can also use a regular ``defconfig`` file, as generated by the | ||
654 | :ref:`ref-tasks-savedefconfig` | ||
655 | task instead of a complete ``.config`` file. This only specifies the | ||
656 | non-default configuration values. You need to additionally set | ||
657 | :term:`KCONFIG_MODE` | ||
658 | in the linux-yocto ``.bbappend`` file in your layer:: | ||
659 | |||
660 | KCONFIG_MODE = "alldefconfig" | ||
661 | |||
653 | .. note:: | 662 | .. note:: |
654 | 663 | ||
655 | The build system applies the configurations from the ``defconfig`` | 664 | The build system applies the configurations from the ``defconfig`` |