Re: [PATCH v7 2/5] seq_buf: Export seq_buf_printf() to external modules

[Vaibhav Jain <vaibhav@linux.ibm.com>]

Hi Joe,

Joe Perches <joe@perches.com> writes:

> On Fri, 2020-05-08 at 17:30 +0530, Vaibhav Jain wrote:
>> Hi Boris,
>> 
>> Borislav Petkov <bp@alien8.de> writes:
>> 
>> > On Fri, May 08, 2020 at 04:19:19PM +0530, Vaibhav Jain wrote:
>> > > 'seq_buf' provides a very useful abstraction for writing to a string
>> > > buffer without needing to worry about it over-flowing. However even
>> > > though the API has been stable for couple of years now its stills not
>> > > exported to external modules limiting its usage.
>> > > 
>> > > Hence this patch proposes update to 'seq_buf.c' to mark
>> > > seq_buf_printf() which is part of the seq_buf API to be exported to
>> > > external GPL modules. This symbol will be used in later parts of this
>> > 
>> > What is "external GPL modules"?
>> I am referring to Kernel Loadable Modules with MODULE_LICENSE("GPL")
>> here.
>
> Any reason why these Kernel Loadable Modules with MODULE_LICENSE("GPL")
> are not in the kernel tree?

The Kernel GPL module that this patch reffers to is 'papr_scm' which is already
in kernel tree at arch/powerpc/platforms/pseries/papr_scm.c . 

~ Vaibhav
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