Re: [PATCH v2 07/10] modpost: add support for generating namespace dependencies

[Greg KH]

On Tue, Aug 13, 2019 at 01:17:04PM +0100, Matthias Maennich wrote:
> This patch adds an option to modpost to generate a <module>.ns_deps file
> per module, containing the namespace dependencies for that module.
> 
> E.g. if the linked module my-module.ko would depend on the symbol
> myfunc.MY_NS in the namespace MY_NS, the my-module.ns_deps file created
> by modpost would contain the entry MY_NS to express the namespace
> dependency of my-module imposed by using the symbol myfunc.
> 
> These files can subsequently be used by static analysis tools (like
> coccinelle scripts) to address issues with missing namespace imports. A
> later patch of this series will introduce such a script 'nsdeps' and a
> corresponding make target to automatically add missing
> MODULE_IMPORT_NS() definitions to the module's sources. For that it uses
> the information provided in the generated .ns_deps files.
> 
> Co-developed-by: Martijn Coenen <maco@xxxxxxxxxxx>
> Signed-off-by: Martijn Coenen <maco@xxxxxxxxxxx>
> Signed-off-by: Matthias Maennich <maennich@xxxxxxxxxx>
> ---
>  scripts/mod/modpost.c | 61 +++++++++++++++++++++++++++++++++++++++----
>  scripts/mod/modpost.h |  2 ++
>  2 files changed, 58 insertions(+), 5 deletions(-)

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>