Re: [KVM PATCH v9 2/2] KVM: add iosignalfd support

Avi Kivity
2009-07-07T12:25:32Z

On 07/07/2009 03:22 PM, Michael S. Tsirkin wrote:
> On Tue, Jul 07, 2009 at 02:53:18PM +0300, Avi Kivity wrote:
>
>>>> + /* address-range must be precise for a hit */
>>>>
>>>>
>>> So there's apparently no way to specify that
>>> you want 1,2, or 4 byte writes at address X?
>>>
>>>
>> Why would you want that?
>>
>
> Donnu. Why would anyone want to catch 8 byte writes at all?
>

One of the natural write sizes.

> Seriously, why add artificial limitations?
> IMO, addr=0,len=1 and addr=0,len=2 should not conflict.
>
>

They should not conflict, but a two byte write need not hit a one byte
registration.

--
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