linux-kernel - Re: [RFC][PATCHv3 1/5] printk: move printk

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Message-ID: <20170525123633.GE386@jagdpanzerIV.localdomain>
Date:   Thu, 25 May 2017 21:36:33 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>, Jan Kara <jack@...e.cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Eric Biederman <ebiederm@...ssion.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, Pavel Machek <pavel@....cz>,
        Andreas Mohr <andi@...as.de>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        linux-kernel@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [RFC][PATCHv3 1/5] printk: move printk_pending out of per-cpu

On (05/25/17 14:11), Petr Mladek wrote:
[..]
> The variable is used only when CONFIG_PRINTK is defined at
> the moment, so this produces a warning about an unused variable.
> 

interesting... `printk_pending' is used in console_unlock(), which is
always available.

	-ss