On 2011-10-23 17:54, Blue Swirl wrote: > On Sun, Oct 23, 2011 at 15:45, Jan Kiszka <jan.kis...@web.de> wrote: >> On 2011-10-23 14:40, Blue Swirl wrote: >>> I'm not sure that a full bus is needed for now, even if it could match >>> real HW better, since the memory API already provides the separation >>> needed. Perhaps this would be needed later to make IRQs per-CPU also, >>> or to put IOAPIC also to the bus? >> >> The ICC interconnects LAPICs and IOAPICs. > > But not between CPU core and its LAPIC?
Nope, that link is core-internal and has nothing to do with the ICC. See e.g. Figure 2-2 of Intel's "MultiProcessor Specification". Jan
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