linux-kernel - Re: [RFC][PATCHv2 2/4] printk: move printk

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Message-ID: <20181016123837.GC2537@hirez.programming.kicks-ass.net>
Date:   Tue, 16 Oct 2018 14:38:37 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     linux-kernel@...r.kernel.org, Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Daniel Wang <wonderfly@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Jiri Slaby <jslaby@...e.com>,
        Peter Feiner <pfeiner@...gle.com>,
        linux-serial@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [RFC][PATCHv2 2/4] printk: move printk_safe macros to printk
 header

On Tue, Oct 16, 2018 at 09:27:34PM +0900, Sergey Senozhatsky wrote:
> On (10/16/18 09:27), Peter Zijlstra wrote:
> > 
> > So I really _really_ hate all this. Utterly detest it.
> 
> I learned a new word today - detest. I can haz re-entrant consoles now please?

early_serial_write() not haz a lock anywhere.