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Re: [RFC][PATCH v8 2/2] printk: Make wake_up_klogd_work_func() async

From Petr Mladek <pmladek@suse.com>
Newsgroups linux.kernel
Subject Re: [RFC][PATCH v8 2/2] printk: Make wake_up_klogd_work_func() async
Date 2016-03-31 13:20 +0200
Message-ID <riINQ-451-5@gated-at.bofh.it> (permalink)
References <rgfGi-4EY-13@gated-at.bofh.it> <rgfGi-4EY-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

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Thread

[RFC][PATCH v8 0/2] printk: Make printk() completely async Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-03-24 16:50 +0100
  [RFC][PATCH v8 2/2] printk: Make wake_up_klogd_work_func() async Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-03-24 16:50 +0100
    Re: [RFC][PATCH v8 2/2] printk: Make wake_up_klogd_work_func() async Petr Mladek <pmladek@suse.com> - 2016-03-31 13:20 +0200
  [RFC][PATCH v8 1/2] printk: Make printk() completely async Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-03-24 16:50 +0100
    Re: [RFC][PATCH v8 1/2] printk: Make printk() completely async Jan Kara <jack@suse.cz> - 2016-03-29 11:20 +0200
      Re: [RFC][PATCH v8 1/2] printk: Make printk() completely async Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-04-01 03:20 +0200
    Re: [RFC][PATCH v8 1/2] printk: Make printk() completely async Petr Mladek <pmladek@suse.com> - 2016-03-31 13:20 +0200
      Re: [RFC][PATCH v8 1/2] printk: Make printk() completely async Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-04-01 03:10 +0200
        Re: [RFC][PATCH v8 1/2] printk: Make printk() completely async Petr Mladek <pmladek@suse.com> - 2016-04-01 11:00 +0200
          Re: [RFC][PATCH v8 1/2] printk: Make printk() completely async Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-04-01 11:40 +0200
            Re: [RFC][PATCH v8 1/2] printk: Make printk() completely async Petr Mladek <pmladek@suse.com> - 2016-04-01 13:40 +0200

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