[Xen-ia64-devel] Picking the P2M address range

[Jes Sorensen <jes@xxxxxxx>]

Hi,

When dom0 boots it prints out a couple of lines like these:

Xen p2m: assign p2m table of [0x0000003000000000, 0x0000003024000000)
Xen p2m: to [0x000001b040000000, 0x000001b043ffc000) (65536 KBytes)

I am trying to figure out where the addresses in the first line
originate from. They are obviously picked by Xen and provided to dom0
somehow, but how and where?

I see dom0 finds it via allocate_resource() in the resource tree, but
it's not obvious to me where we export this resource to dom0 from Xen.

Just hoping somebody knew where these addresses where assigned?

Cheers,
Jes

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