git: i386/lapic: Handle the case that the CPU does not have LAPIC for SMP kernel

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit ac032dadbf456a0ee28a33d6cacf9eea96eea158
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Fri May 13 11:26:32 2011 +0800

    i386/lapic: Handle the case that the CPU does not have LAPIC for SMP kernel
    
    If LAPIC does not exist:
    - Reset apic_io_enable and reinitialize ICU if necessary; mainly for
      ICU's auto EOI setting.
    - Setup minimum information for BSP's globaldata
    
    While I'm here, add hw.lapic_enable tunable to test this feature (just don't
    use it :).

Summary of changes:
 sys/platform/pc32/apic/lapic.c      |   18 ++++++++++++++----
 sys/platform/pc32/apic/lapic.h      |    2 +-
 sys/platform/pc32/i386/mp_machdep.c |   28 +++++++++++++++++++++++++++-
 sys/platform/pc32/icu/icu.c         |   30 ++++++++++++++++++++++++++++++
 sys/platform/pc32/icu/icu_var.h     |    3 +++
 5 files changed, 75 insertions(+), 6 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/ac032dadbf456a0ee28a33d6cacf9eea96eea158


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