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Date:   Sun, 10 May 2020 18:38:20 +0530
From:   Vaibhav Jain <>
To:     Michael Ellerman <>,
        Borislav Petkov <>
        Dan Williams <>,
        "Aneesh Kumar K . V" <>,
        "Oliver O'Halloran" <>,
        Santosh Sivaraj <>,
        Steven Rostedt <>,
        Piotr Maziarz <>,
        Cezary Rojewski <>
Subject: Re: [PATCH v7 2/5] seq_buf: Export seq_buf_printf() to external modules

Michael Ellerman <> writes:

> Borislav Petkov <> 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

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