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Date:   Mon, 1 Feb 2021 11:26:41 +0100
From:   Petr Mladek <pmladek@suse.com>
To:     John Ogness <john.ogness@linutronix.de>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH printk-rework 09/12] um: synchronize kmsg_dumper
Message-ID: <YBfXYYKSHiH4eyI3@alley>
References: <20210126211551.26536-1-john.ogness@linutronix.de>
 <20210126211551.26536-10-john.ogness@linutronix.de>
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On Tue 2021-01-26 22:21:48, John Ogness wrote:
> In preparation for removing printk's @logbuf_lock, dumpers that have
> assumed to be protected against parallel calls must provide their own
> synchronization. Add a locally static spinlock to synchronize the
> kmsg_dump call and temporary buffer usage.
> 
> Signed-off-by: John Ogness <john.ogness@linutronix.de>

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

Best Regards,
Petr