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


From: Paul Brook
Subject: Re: [Qemu-devel] [RFT][PATCH 09/15] hpet/rtc: Rework RTC IRQ replacement by HPET
Date: Tue, 25 May 2010 12:05:02 +0100
User-agent: KMail/1.13.3 (Linux/2.6.33-2-amd64; KDE/4.4.3; x86_64; ; )

> > 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.

Paul



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