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Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency consideration

From "Rafael J. Wysocki" <rjw@rjwysocki.net>
Newsgroups linux.kernel
Subject Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency consideration
Date 2017-02-23 13:30 +0100
Message-ID <te0GZ-1dj-1@gated-at.bofh.it> (permalink)
References <tdEGu-1Nw-15@gated-at.bofh.it> <tdGfg-32X-7@gated-at.bofh.it> <tdGyD-3dk-43@gated-at.bofh.it>
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On Wednesday, February 22, 2017 10:55:04 PM Alex Shi wrote:
> > 
> > Its not hard; spinlock_t ends up being a mutex, and this is ran from the
> > idle thread. What thread do you think we ought to run when we block
> > idle?
> > 
> 
> Straight right.
> Thanks for explanations! :)

I overlooked that, sorry.

Shall we revert?

I don't want RT to be broken because of this.

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9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Mike Galbraith <efault@gmx.de> - 2017-02-22 14:00 +0100
  Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Peter Zijlstra <peterz@infradead.org> - 2017-02-22 14:20 +0100
    Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Mike Galbraith <efault@gmx.de> - 2017-02-22 14:20 +0100
      Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Peter Zijlstra <peterz@infradead.org> - 2017-02-22 15:40 +0100
        Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Alex Shi <alex.shi@linaro.org> - 2017-02-22 16:00 +0100
          Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency consideration "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-02-23 13:30 +0100
            Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Mike Galbraith <efault@gmx.de> - 2017-02-23 14:20 +0100
              Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Alex Shi <alex.shi@linaro.org> - 2017-02-23 15:10 +0100
            Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Alex Shi <alex.shi@linaro.org> - 2017-02-23 15:10 +0100
              Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency consideration "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-02-23 23:40 +0100
                Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Alex Shi <alex.shi@linaro.org> - 2017-02-24 03:00 +0100
                [PATCH] cpuidle: menu: Avoid taking spinlock for accessing QoS values "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-02-24 13:40 +0100
      Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Alex Shi <alex.shi@linaro.org> - 2017-02-22 15:40 +0100
        Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Mike Galbraith <efault@gmx.de> - 2017-02-22 15:50 +0100
    Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Alex Shi <alex.shi@linaro.org> - 2017-02-22 16:00 +0100
      Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Mike Galbraith <efault@gmx.de> - 2017-02-22 16:10 +0100
        Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Alex Shi <alex.shi@linaro.org> - 2017-02-22 16:40 +0100
          Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency  consideration Mike Galbraith <efault@gmx.de> - 2017-02-22 16:50 +0100

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