Re: [Qemu-devel] [RFT][PATCH 09/15] hpet/rtc: Rework RTC IRQ replacement by HPET

[Jan Kiszka]

Paul Brook wrote:
>>> This is wrong. The hpet device should expose this as an IO pin.
>> Will look into this.
>>
>> BTW, I just realized that the GPIO handling is apparently lacking
>> support for attaching an output to multiple inputs. Or am I missing
>> something?
> 
> Use an explicit mux.
> 
> Incidentally I suspect your handling of the ISA IRQs is broken. You may never 
> have more than one source connected to a sink.  Shared IRQ lines must be done 
> explicitly.

No, the other way around: one source (RTC) multiple sinks (HPET, ACPI).
Will probably draft a generic irq/gpio mux.

Jan

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