linux-kernel - Re: [RFC PATCH] printk: Make functions of pr

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Message-ID: <20170427122815.1c97b185@gandalf.local.home>
Date:   Thu, 27 Apr 2017 12:28:15 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Joe Perches <joe@...ches.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-kernel@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [RFC PATCH] printk: Make functions of pr_<level> macros

On Thu, 27 Apr 2017 17:11:21 +0200
Petr Mladek <pmladek@...e.com> wrote:

> BTW: The above mentioned commit adds one argument to
> vprintk_default(). But the symbol is exported. I am
> not sure if we could break the API.

There is no kernel ABI/API. Exported kernel functions can change at will
as long as a make allmodconfig still works. We don't care about out of
tree users.

-- Steve