linux-kernel - Re: [RFC PATCH 4/9] stacktrace: export-GPL stack_trace_save

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Message-ID: <20200412083151.GA17521@infradead.org>
Date:   Sun, 12 Apr 2020 01:31:51 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will@...nel.org>, akpm@...ux-foundation.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "K . Prasad" <prasad@...ux.vnet.ibm.com>,
        Masami Hiramatsu <mhiramat@...nel.org>, rostedt@...dmis.org,
        Alexei Starovoitov <ast@...nel.org>,
        linux-kernel@...r.kernel.org, Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [RFC PATCH 4/9] stacktrace: export-GPL stack_trace_save_user

On Thu, Apr 09, 2020 at 03:35:38PM -0400, Mathieu Desnoyers wrote:
> The stack_trace_save symbol is already exported GPL. Add a GPL export
> for the stack_trace_save_user symbol as well.
> 
> This is useful for tracers implemented as kernel modules.

Which part of every added export needs an in-tree user did you not get?