linux-kernel - Re: [PATCH v7 2/5] seq_buf: Export seq_buf

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Date:   Sun, 10 May 2020 18:38:20 +0530
From:   Vaibhav Jain <vaibhav@...ux.ibm.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Borislav Petkov <bp@...en8.de>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-nvdimm@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Dan Williams <dan.j.williams@...el.com>,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Santosh Sivaraj <santosh@...six.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Piotr Maziarz <piotrx.maziarz@...ux.intel.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>
Subject: Re: [PATCH v7 2/5] seq_buf: Export seq_buf_printf() to external modules

Michael Ellerman <mpe@...erman.id.au> writes:

> Borislav Petkov <bp@...en8.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"?
>
> A module that has MODULE_LICENSE("GPL") ?

Yes, by "external GPL modules" I meant Kernel lodable modules with
licensed as "GPL"

~ Vaibhav
>
> cheers