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Re: [Qemu-devel] [PATCH for-1.4] pc: tag apic as overlap region


From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH for-1.4] pc: tag apic as overlap region
Date: Tue, 19 Feb 2013 15:54:35 +0000

On 19 February 2013 15:51, Jan Kiszka <address@hidden> wrote:
> On 2013-02-19 16:20, Michael S. Tsirkin wrote:
>>      qdev_init_nofail(dev);
>>      d = SYS_BUS_DEVICE(dev);
>> -    sysbus_mmio_map(d, 0, 0xfec00000);
>> +    /* APIC overlaps the PCI window. */
>> +    sysbus_mmio_map_overlap(d, 0, 0xfec00000, 1000);
>
> That's the IOAPIC, not the APIC. If you mean the IOAPIC, APIC and HPET
> would require higher prio, too. But I suppose this is really about the
> APIC and its special priority due to CPU-local access dispatching, right?

Is this a proposed minimally invasive patch for 1.4 with a
different approach (possibly involving reworking things with
a better managed set of container regions) for master, or
is this the planned fix for master too?

-- PMM



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