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Re: [Qemu-devel] [PATCH v4 0/3] bugs fix for hpet

From: liu ping fan
Subject: Re: [Qemu-devel] [PATCH v4 0/3] bugs fix for hpet
Date: Wed, 4 Sep 2013 13:29:57 +0800

On Tue, Sep 3, 2013 at 7:17 PM, Paolo Bonzini <address@hidden> wrote:
> Il 02/09/2013 09:06, Liu Ping Fan ha scritto:
>> note: I rebase it onto Stefan's net-next tree, since pc-1.7 has already been 
>> defined there.
>> v4:
>>   use standard compat property to set hpet's interrupt compatibility
>> v3:
>>   change hpet interrupt capablity on board's demand
>> Liu Ping Fan (3):
>>   hpet: inverse polarity when pin above ISA_NUM_IRQS
>>   hpet: entitle more irq pins for hpet
>>   pc-1.6: add compatibility for hpet intcap on pc-*-1.6
>>  hw/timer/hpet.c      | 27 +++++++++++++++++++++++----
>>  include/hw/i386/pc.h |  5 +++++
>>  2 files changed, 28 insertions(+), 4 deletions(-)
> Looks good.  But I have one question; should this be changed for PIIX
> too, or should the 1.7 PIIX machine keep the old behavior?  (I have no
> idea).
Your suspicion is right.  When going through PIIX4 spec, I found that
the chipset was without ioapic integrated. So there is divergence for
the compatibility of pc-piix-* and pc-q35-*.  Can I code the hpet's
compatiblity in pc-piix-1.7 to resolve this?

> Paolo

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