Re: [2/2] genirq: Warn when IRQ_NOAUTOEN is used with shared interrupts

From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	Re: [2/2] genirq: Warn when IRQ_NOAUTOEN is used with shared interrupts
Date	2017-09-06 16:20 +0200
Message-ID	<umJlp-2UP-27@gated-at.bofh.it> (permalink)
References	<tN8JJ-3mG-35@gated-at.bofh.it> <umBHc-5FI-11@gated-at.bofh.it> <umDJ0-7kw-15@gated-at.bofh.it> <umJbI-2R0-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, 6 Sep 2017, Paul Burton wrote:
> On Wednesday, 6 September 2017 01:16:48 PDT Thomas Gleixner wrote:
> > What's the problem with IRQ_NOAUTOEN and do
> > 
> >        setup_percpu_irq();
> >        enable_percpu_irq();
> > 
> > on the boot CPU and then later call it when the secondary CPUs come up in
> > cpu bringup code or a hotplug state callback?
> 
> There's no problem with that at all, apart from that it triggers your warning 
> when the boot CPU calls setup_percpu_irq().

Ok, I misread the whole thing somehow. What you are saying is that you need
per cpu interrupts which can be shared ....

Hrmpf, ok. I'll have a look from that side then

Thread

Re: [2/2] genirq: Warn when IRQ_NOAUTOEN is used with shared interrupts Paul Burton <paul.burton@imgtec.com> - 2017-09-06 08:10 +0200
  Re: [2/2] genirq: Warn when IRQ_NOAUTOEN is used with shared  interrupts Thomas Gleixner <tglx@linutronix.de> - 2017-09-06 10:20 +0200
    Re: [2/2] genirq: Warn when IRQ_NOAUTOEN is used with shared interrupts Paul Burton <paul.burton@imgtec.com> - 2017-09-06 16:10 +0200
      Re: [2/2] genirq: Warn when IRQ_NOAUTOEN is used with shared  interrupts Thomas Gleixner <tglx@linutronix.de> - 2017-09-06 16:20 +0200
        Re: [2/2] genirq: Warn when IRQ_NOAUTOEN is used with shared interrupts Paul Burton <paul.burton@imgtec.com> - 2017-09-07 03:20 +0200
          [RFC PATCH v1 9/9] irqchip: mips-gic: Remove gic_all_vpes_local_irq_controller Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 2/9] genirq: Support shared per_cpu_devid interrupts Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 8/9] irqchip: mips-cpu: Set timer, FDC & perf interrupts percpu_devid Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 3/9] genirq: Introduce irq_is_percpu_devid() Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 7/9] MIPS: cevt-r4k: percpu_devid interrupt support Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 5/9] MIPS: Remove perf_irq Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 6/9] MIPS: perf: percpu_devid interrupt support Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 1/9] genirq: Allow shared interrupt users to opt into IRQ_NOAUTOEN Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
          [RFC PATCH v1 0/9] Support shared percpu interrupts; clean up MIPS hacks Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200
            [RFC PATCH v1 4/9] MIPS: Remove perf_irq interrupt sharing fallback Paul Burton <paul.burton@imgtec.com> - 2017-09-08 01:30 +0200

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