SMP/UP kernel S01E02
dillon at apollo.backplane.com
Mon Mar 26 07:26:51 PDT 2007
:You can use the LAPIC and IOAPIC(s) on UP hardware as well.
:> At the moment only one or the other can be included. It would not
:> take a whole lot of work to allow both to be included, then figure out
:> which one to use at run time during early boot.
:> To do this, the MachIntrABI structure needs to be declared generically
:> and then loaded with either the icu or the apic ABI. Right now the
:> structure is declared in the icu and the apic code (so only one can be
:So this won't be necessary :).
: Thomas E. Spanjaard
Only newer cpus have APICs and IOAPICs regardless of whether they
are SMP-capable or not. Older ones do not.
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