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xen-devel
Re: [Xen-devel] Tagging Xen 4.0.0 first release candidate
On 05/01/2010 16:00, "Alex Williamson" <alex.williamson@xxxxxx> wrote:
>> It's a bit late for 4.0.0 really. The lack of interest is probably the lack
>> of people hitting the 43-bit limitation built into the current interface.
>> Just about noone is anywhere near close to it.
>
> Perhaps due to the lack of x86 processors supporting more than 40-bits
> of physical address space that are currently on the market. But we
> know that's going to change fairly shortly and x86 will finally get
> support for more than 1TB. That opens the doors for hardware vendors
> to create interesting configurations and maybe not worry so much about
> compressing the address space into a contiguous block. If Xen can't
> support at least a 44-bit physical address space within the 4.x
> lifetime, it could become a serious limiting factor. It seems rather
> shortsighted not to prepare for it now, especially given the
> opportunity we have at a major version break. Thanks,
If it's considered important we can hold up until next week.
-- Keir
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