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Re: [PATCH v5 11/20] ARC: IPI: do not use generic IRQ domain

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>From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
>Sent: Wednesday, December 30, 2015 12:13 PM

>>  generic-y += fb.h
>>  generic-y += fcntl.h
>>  generic-y += ftrace.h
>> -generic-y += hardirq.h

>So this is going backwards - copy/paste generic code into arch header
I don't understand why you need this !

I need an extra field (ipi_irqs) at struct irq_cpustat_t and I cannot do this at asm-generic.

See below that how I use it to save and show status for each cpu

>> +void arch_do_IPI(unsigned int irq, struct pt_regs *regs)
>> +{
>> +     struct pt_regs *old_regs = set_irq_regs(regs);
>> +     unsigned int cpu = smp_processor_id();
>> +
>> +     __IRQ_STAT(cpu, ipi_irqs)++;
>> +
>> +     irq_enter();
>> +     do_IPI(irq, NULL);
>> +     irq_exit();
>> +
>> +     set_irq_regs(old_regs);
>> +}

>WHY ?

Please explain
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Thread

[PATCH v5 00/20] Adding plat-eznps to ARC Noam Camus <noamc@ezchip.com> - 2015-12-27 14:50 +0100
  Re: [PATCH v5 09/20] ARC: IRQ: use device tree to get timer device  configuration Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2015-12-28 12:50 +0100
  Re: [PATCH v5 05/20] irqchip: add nps Internal and external irqchips Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2015-12-30 11:10 +0100
  Re: [PATCH v5 10/20] ARC: IRQ: do not use hwirq directly at  arch_do_IRQ() Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2015-12-30 11:20 +0100
    Re: [PATCH v5 10/20] ARC: IRQ: do not use hwirq directly at  arch_do_IRQ() Noam Camus <noamc@ezchip.com> - 2015-12-31 06:30 +0100
  Re: [PATCH v5 11/20] ARC: IPI: do not use generic IRQ domain Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2015-12-30 11:20 +0100
    Re: [PATCH v5 11/20] ARC: IPI: do not use generic IRQ domain Noam Camus <noamc@ezchip.com> - 2015-12-31 06:20 +0100
  Re: [PATCH v5 05/20] irqchip: add nps Internal and external irqchips Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2015-12-30 11:50 +0100
  Re: [PATCH v5 09/20] ARC: IRQ: use device tree to get timer device  configuration Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2015-12-30 12:30 +0100
  Re: [PATCH v5 04/20] clocksource: Add NPS400 timers driver Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-01-01 11:40 +0100

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