linux-kernel - Re: [PATCH] printk: CON_PRINTBUFFER console registration is a bit racy

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Message-ID: <20180928073644.GB1160@jagdpanzerIV>
Date:   Fri, 28 Sep 2018 16:36:44 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] printk: CON_PRINTBUFFER console registration is a bit
 racy

On (09/26/18 13:37), Petr Mladek wrote:
> /*
>  * Set exclusive_console still with disabled interrupts to
>  * reduce race window with eventual console_flush_on_panic()
>  * that ignores console_lock.
>  */

Looks good to me.

> I am not against the change. It makes some sense and it does
> not break anything. It is just not obvious

OK. Thanks.
Will send v2.

	-ss