On 07/10/2012 10:22 PM, Eduardo Habkost wrote:
The hotplug case is a bit more complex: we need to either:
- have a mechanism to let the ACPI SSDT code know what's the APIC ID of
hotplugged CPUs; or
- make Seabios run some code in the hotplugged CPU (I am assuming that this is
simply not possible).
If SMM is supported by qemu/kvm than it will be possible to trigger SMI from
APCI method and SMI handler, that are supposed to run on all CPUs (including
hot-plugged one)
, could fixup APIC ID of added CPU in some memory region used by ACPI.
--
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Igor
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