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Re: [Query] Preemption (hogging) of the work handler

From "Rafael J. Wysocki" <rafael@kernel.org>
Newsgroups linux.kernel
Subject Re: [Query] Preemption (hogging) of the work handler
Date 2016-07-13 15:30 +0200
Message-ID <rUsoF-3Co-7@gated-at.bofh.it> (permalink)
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On Wed, Jul 13, 2016 at 2:57 PM, Sergey Senozhatsky
<sergey.senozhatsky@gmail.com> wrote:
> Hello Rafael,
>
> On (07/13/16 14:05), Rafael J. Wysocki wrote:
> [..]
>> > ah, just saw this. OK, very close to what I sent in another thread, so I
>> > guess it will work on your side.
>> > let me know if it doesn't, I'll fold it into 0001 and re-spin the series.
>> > thanks for your help!
>>
>> But you need to do an analogous thing for hibernation.  Essentially,
>> wherever disable_nonboot_cpus() is called.
>
> hibernation() suspends console, and suspend_console() forces printk to
> switch to sync mode. resume_console() lets printk to operate in async
> mode (if printk was configured to operate in async mode at all).
>
> the patch I'm talking about is:
>  http://marc.info/?l=linux-kernel&m=146838876027364&w=2

Ah OK.  That should work for hibernation too.

> am I missing something?

No, I got confused for some reason.

Thanks,
Rafael

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Re: [Query] Preemption (hogging) of the work handler Jan Kara <jack@suse.cz> - 2016-07-11 12:30 +0200
  Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-07-11 17:50 +0200
    Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-07-12 00:40 +0200
      Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-12 00:50 +0200
        Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-07-12 14:30 +0200
          Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-12 15:10 +0200
            Re: [Query] Preemption (hogging) of the work handler Petr Mladek <pmladek@suse.com> - 2016-07-12 16:00 +0200
              Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-12 16:10 +0200
    Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-12 00:40 +0200
      Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-07-12 11:40 +0200
        Re: [Query] Preemption (hogging) of the work handler Petr Mladek <pmladek@suse.com> - 2016-07-12 15:00 +0200
          Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-12 15:20 +0200
            Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-12 19:20 +0200
              Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-12 22:10 +0200
              Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rafael@kernel.org> - 2016-07-12 22:10 +0200
              Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-07-13 09:10 +0200
                Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rafael@kernel.org> - 2016-07-13 14:10 +0200
                Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-07-13 15:00 +0200
                Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rafael@kernel.org> - 2016-07-13 15:30 +0200
          Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-07-12 16:10 +0200
            Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-15 02:00 +0200
              Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-07-15 15:20 +0200
                Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-15 18:00 +0200
      Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-13 01:30 +0200
        Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-13 02:20 +0200
        Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-07-13 07:50 +0200
          Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-13 17:50 +0200
            Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rafael@kernel.org> - 2016-07-14 01:10 +0200
              Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-14 01:20 +0200
                Re: [Query] Preemption (hogging) of the work handler Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-07-14 01:40 +0200
            Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-07-14 03:00 +0200
              Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rafael@kernel.org> - 2016-07-14 03:10 +0200
                Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-07-14 03:40 +0200
                Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-15 00:00 +0200
              Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-15 00:00 +0200
          Re: [Query] Preemption (hogging) of the work handler Jan Kara <jack@suse.cz> - 2016-07-14 16:20 +0200
            Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-07-14 16:30 +0200
              Re: [Query] Preemption (hogging) of the work handler Jan Kara <jack@suse.cz> - 2016-07-14 16:40 +0200
                Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-07-14 16:50 +0200
                Re: [Query] Preemption (hogging) of the work handler Jan Kara <jack@suse.cz> - 2016-07-14 17:00 +0200
                Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-15 00:20 +0200
            Re: [Query] Preemption (hogging) of the work handler Sergey Senozhatsky <sergey.senozhatsky@gmail.com> - 2016-07-14 16:40 +0200
              Re: [Query] Preemption (hogging) of the work handler Jan Kara <jack@suse.cz> - 2016-07-14 17:10 +0200
            Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-15 00:20 +0200
              Re: [Query] Preemption (hogging) of the work handler Jan Kara <jack@suse.cz> - 2016-07-18 13:10 +0200
                Re: [Query] Preemption (hogging) of the work handler "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-07-18 13:50 +0200
  Re: [Query] Preemption (hogging) of the work handler Viresh Kumar <viresh.kumar@linaro.org> - 2016-07-11 21:10 +0200

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