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docs: Add documentation for Symbol Namespaces

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Describe using Symbol Namespaces from a perspective of a user. I.e.
module authors or subsystem maintainers.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Matthias Maennich <maennich@google.com>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
This commit is contained in:
Matthias Maennich
2019-09-06 11:32:33 +01:00
committed by Jessica Yu
parent eb8305aecb
commit c4f4af4094
2 changed files with 172 additions and 0 deletions
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18
Documentation/kernel-hacking/hacking.rst
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@@ -594,6 +594,24 @@ internal implementation issue, and not really an interface. Some
maintainers and developers may however require EXPORT_SYMBOL_GPL()
when adding any new APIs or functionality.
:c:func:`EXPORT_SYMBOL_NS()`
----------------------------
Defined in ``include/linux/export.h``
This is the variant of `EXPORT_SYMBOL()` that allows specifying a symbol
namespace. Symbol Namespaces are documented in
``Documentation/kbuild/namespaces.rst``.
:c:func:`EXPORT_SYMBOL_NS_GPL()`
--------------------------------
Defined in ``include/linux/export.h``
This is the variant of `EXPORT_SYMBOL_GPL()` that allows specifying a symbol
namespace. Symbol Namespaces are documented in
``Documentation/kbuild/namespaces.rst``.
Routines and Conventions
========================