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Re: [Xen-devel] [PATCH V4] xen/arm: domain_build: allocate lowmem for dom0 as much as possible



Hi Andrii,

On 14/11/2016 03:11, Andrii Anisov wrote:
There are many reasons: for example because you want Dom0 to be Linux
and the storage driver domain to be FreeBSD. Or because you want the
network driver domain to be QNX.
What we estimate now is a thin Dom0 without any drivers running with
ramdisk. All drivers would be moved to a special guest domain.

You may want to give a look what has been done on x86 with the "Dedicated hardware domain".

Another solution, is rather than moving the devices in a separate domain, you move the toolstack. The latter may cause less trouble on platform without SMMU.

Regards,

--
Julien Grall

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