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From: Petr Mladek <pmladek@suse.com>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Jan Kara <jack@suse.com>, Tejun Heo <tj@kernel.org>,
	Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
	linux-kernel@vger.kernel.org,
	Byungchul Park <byungchul.park@lge.com>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Jan Kara <jack@suse.cz>
Subject: Re: [RFC][PATCH v8 2/2] printk: Make wake_up_klogd_work_func() async
Date: Thu, 31 Mar 2016 13:14:42 +0200	[thread overview]
Message-ID: <20160331111442.GC1023@pathway.suse.cz> (raw)
In-Reply-To: <1458834203-3392-3-git-send-email-sergey.senozhatsky@gmail.com>

On Fri 2016-03-25 00:43:23, Sergey Senozhatsky wrote:
> From: Jan Kara <jack@suse.cz>
> 
> Offload printing of scheduler deferred messages from IRQ context
> to a schedulable printing kthread, when possible (the same way we
> do it in vprintk_emit()). Otherwise, the CPU can spend unbounded
> amount of time doing printing in console_unlock() from IRQ.
> 
> Signed-off-by: Jan Kara <jack@suse.cz>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>

Nice change. Makes perfect sense.

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

Best Regards,
Petr

      reply	other threads:[~2016-03-31 11:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-24 15:43 [RFC][PATCH v8 0/2] printk: Make printk() completely async Sergey Senozhatsky
2016-03-24 15:43 ` [RFC][PATCH v8 1/2] " Sergey Senozhatsky
2016-03-29  9:14   ` Jan Kara
2016-04-01  1:14     ` Sergey Senozhatsky
2016-03-31 11:12   ` Petr Mladek
2016-03-31 11:52     ` Jan Kara
2016-04-04  9:41       ` Petr Mladek
2016-04-04 17:01         ` Sergey Senozhatsky
2016-04-01  1:08     ` Sergey Senozhatsky
2016-04-01  8:59       ` Petr Mladek
2016-04-01  9:36         ` Sergey Senozhatsky
2016-04-01 11:30           ` Petr Mladek
2016-03-24 15:43 ` [RFC][PATCH v8 2/2] printk: Make wake_up_klogd_work_func() async Sergey Senozhatsky
2016-03-31 11:14   ` Petr Mladek [this message]

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