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xen-devel
Re: [Xen-devel] rendezvousing all physical CPUs
On 30/11/06 17:12, "ron minnich" <rminnich@xxxxxxxxx> wrote:
>> How about providing the linear address of a chunk of dom0 code that Xen
>> should run in ring 0 with CPUs in a particular configuration? We could
>> provide flags to represent useful configurations: e.g., run on all CPUs
>> atomicaly, run on CPU0 only and quiesce others, etc.
>
> I thought the goal of Jan's proposal was to have Dom0 take over this
> kind of thing, not extend Xen to do it. So his idea of getting CPUs in
> a known state, then letting Dom0 handle it, is different, is it not?
> Does this really address his problem?
Dom0 would provide the code in both cases. The CPUs would be in a known
state in both cases. It's a question of which interface is cleaner and/or
easier to implement.
-- Keir
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