linux-kernel - Re: [RFC][PATCHv4 1/6] printk: use vprintk

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Message-ID: <20161124162844.GE24103@pathway.suse.cz>
Date:   Thu, 24 Nov 2016 17:28:44 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>,
        Tejun Heo <tj@...nel.org>, Calvin Owens <calvinowens@...com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Laura Abbott <labbott@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [RFC][PATCHv4 1/6] printk: use vprintk_func in vprintk()

On Fri 2016-10-28 00:49:28, Sergey Senozhatsky wrote:
> vprintk(), just like printk(), better be using per-cpu printk_func
> instead of direct vprintk_emit() call. Just in case if vprintk()
> will ever be called from NMI, or from any other context that can
> deadlock in printk().
> 
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> Reviewed-by: Steven Rostedt <rostedt@...dmis.org>

Makes sense.

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr