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[XenPPC] basic Xen achitecture question

from [Yoder Stuart-B08248]

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Subject:	[XenPPC] basic Xen achitecture question
From:	"Yoder Stuart-B08248" <stuart.yoder@xxxxxxxxxxxxx>
Date:	Thu, 1 Feb 2007 14:07:24 -0700
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Thread-topic:	basic Xen achitecture question

I'm trying to understand the paravirtualization interface
between the OS and Xen.  Here is one thing that's confusing
me--

In Linux, the xen probe() routine calls hpte_init_lpar()
which hooks up some pseries hypervisor MMU routines. These
translate into a plpar_hcall_norets() invocation, but
using pSeries hypervisor opcodes (e.g. H_PUT_TCE).

Related to that I don't see the mmu_update hypercall
used in Linux.

How do the MMU related hypercalls work?

Thanks,
Stuart

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