linux-kernel - Re: [RFC][PATCH 2/3] printk: lock/unlock console only for new logbuf entries

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Message-ID: <20181009123503.GB471@tigerII.localdomain>
Date:   Tue, 9 Oct 2018 21:35:03 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dmitriy Vyukov <dvyukov@...gle.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Tejun Heo <tj@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [RFC][PATCH 2/3] printk: lock/unlock console only for new logbuf
 entries

On (10/09/18 10:39), Petr Mladek wrote:
> > 
> > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> > ---
> >  kernel/printk/printk.c | 10 +++++++---
> >  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> The patch makes perfect sense. It looks a bit hacky but I can't
> think about any less hacky one.
>
> I wonder if it is worth it. But if nobody else is against it
> I am going to push it.

Well, getting to buffered printk may take some time; so I'd probably
apply it, shouldn't hurt :)

	-ss