Re: [Qemu-devel] [PULL 0/3] 128-bit support for the memory API

[Anthony Liguori <anthony@codemonkey.ws>]

On 11/02/2011 05:10 AM, Avi Kivity wrote:
> On 11/01/2011 08:08 PM, Anthony Liguori wrote:
>> On 10/30/2011 09:02 AM, Avi Kivity wrote:
>>> This somewhat controversial patchset converts internal arithmetic in the
>>> memory API to 128 bits.
>>>
>>> It has been argued that with careful coding we can make 64-bit work as
>>> well.  I don't think this is true in general - a memory router can
>>> adjust
>>> addresses either forwards or backwards, and some buses (PCIe) need the
>>> full 64-bit space - though it's probably the case for all the
>>> configurations
>>> we support today.  Regardless, the need for careful coding means
>>> subtle bugs,
>>> which I don't want in a core API that is driven by guest supplied
>>> values.
>>>
>>> Avi Kivity (3):
>>>     Add support for 128-bit arithmetic
>>>     memory: use 128-bit integers for sizes and intermediates
>>>     Adjust system and pci address spaces to full 64-bit
>>
>> I now notice that this is not a PULL request...  Did you mess up the
>> subject or the pull request?
>>
>
> I forgot to supply the pull info, which is:
>
>    git://github.com/avikivity/qemu.git memory/int128

Pulled.  Thanks.

Regards,

Anthony Liguori

>