DragonFly kernel List (threaded) for 2007-03
DragonFly BSD
DragonFly kernel List (threaded) for 2007-03
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Re: SMP/UP kernel S01E02


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 26 Mar 2007 07:25:22 -0700 (PDT)

: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
:>     included).
:
:So this won't be necessary :).
:
:Cheers,
:-- 
:         Thomas E. Spanjaard

    Only newer cpus have APICs and IOAPICs regardless of whether they
    are SMP-capable or not.  Older ones do not.

						-Matt



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