linux-kernel - Re: [PATCH 3/4] tty: Lock tty pair in tty_init

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Message-ID: <22935dc9-a9fe-5fc8-4c97-3f5c7b07b8c3@suse.cz>
Date:   Wed, 29 Aug 2018 16:46:24 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     Dmitry Safonov <dima@...sta.com>, linux-kernel@...r.kernel.org
Cc:     Daniel Axtens <dja@...ens.net>,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Tan Xiaojun <tanxiaojun@...wei.com>,
        Peter Hurley <peter@...leysoftware.com>,
        Pasi Kärkkäinen <pasik@....fi>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Neuling <mikey@...ling.org>,
        Mikulas Patocka <mpatocka@...hat.com>
Subject: Re: [PATCH 3/4] tty: Lock tty pair in tty_init_dev()

On 08/29/2018, 04:23 AM, Dmitry Safonov wrote:
> It's safe to not lock both here - done to silence attempt lockdep assert in
> tty_ldisc_open(), which will be added with following patch.

SOrry, could you elaborate here? I don't follow...

thanks,
-- 
js
suse labs