Re: [PATCH 1/2] doc: module: Fix documented type of namespace

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On Wed, 04 Dec 2024, Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx> wrote:
> Since commit cdd30ebb1b9f ("module: Convert symbol namespace to string
> literal") the namespace has to be a string. Fix accordingly.

Interesting. Using preprocessor symbols inherently restricted the
namespace syntax to that of C identifiers.

Is it now okay to use any syntax for the namespaces from now on? Should
the document have some recommendations for naming namespaces?

BR,
Jani.

>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx>
> ---
>  Documentation/core-api/symbol-namespaces.rst | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/core-api/symbol-namespaces.rst b/Documentation/core-api/symbol-namespaces.rst
> index 27a9cccc792c..a08a3448cbad 100644
> --- a/Documentation/core-api/symbol-namespaces.rst
> +++ b/Documentation/core-api/symbol-namespaces.rst
> @@ -41,9 +41,8 @@ entries.
>  In addition to the macros EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL(), that allow
>  exporting of kernel symbols to the kernel symbol table, variants of these are
>  available to export symbols into a certain namespace: EXPORT_SYMBOL_NS() and
> -EXPORT_SYMBOL_NS_GPL(). They take one additional argument: the namespace.
> -Please note that due to macro expansion that argument needs to be a
> -preprocessor symbol. E.g. to export the symbol ``usb_stor_suspend`` into the
> +EXPORT_SYMBOL_NS_GPL(). They take one additional argument: the namespace as a
> +C-string. E.g. to export the symbol ``usb_stor_suspend`` into the
>  namespace ``USB_STORAGE``, use::
>  
>  	EXPORT_SYMBOL_NS(usb_stor_suspend, "USB_STORAGE");

-- 
Jani Nikula, Intel





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