[Xen-devel] Re: [Patch] Qemu map cache

[Anthony Liguori <aliguori@xxxxxxxxxxxxxxxxxx>]

Cui, Dexuan wrote:
> On IA32 host or IA32 PAE host, at present, generally, we can't create an
> HVM guest with more than 2G memory, because generally it's almost
> impossible for Qemu to find a large enough and consecutive virtual
> address space to map an HVM guest's whole physical address space.
> The attached patch fixes this issue using dynamic mapping based on
> little blocks of memory.
I have a feeling this patch is going to require quite a lot more work 
for V2E.  Have you guys considered implementing this functionality for 
upstream QEMU?  The Xen specific portions should be small and upstream 
QEMU has the same problem.
Regards,

Anthony Liguori

> -- Dexuan Cui
>
> Signed-off-by: Jun Nakajima <jun.nakajima@xxxxxxxxx>
> Signed-off-by: Dexuan Cui <dexuan.cui@xxxxxxxxx>
>
>
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