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xen-devel
Re: [Xen-devel] [PATCH][v2] Hybrid extension support in Xen
On Tuesday 02 February 2010 21:23:11 Keir Fraser wrote:
> On 02/02/2010 08:16, "Sheng Yang" <sheng@xxxxxxxxxxxxxxx> wrote:
> > Here is the second version of Hybrid extension support in Xen. Mostly the
> > patch did:
> >
> > 1. Enable SMP support through VCPU_OP in arch_set_info_guest().
>
> What does that mean and why would we want it?
It's not a good description, sorry... We need a entry address and boot up code
AP. For that purpose, I reuse VCPUOP_initialise and VCPUOP_up hypercall. The
former guest set the entry address of AP, the later one boot up them. For
this, I add some code in arch_set_info_guest() to initialize the AP(mostly
what we did after INIT-SIPI-SIPI sequence), that's what I means here...
--
regards
Yang, Sheng
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