git: x86_64: Handle I/O APIC probing failure
commit 944562df8d40fa1b6949f95af19ef90cc4e8227b
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date: Sun May 15 14:50:30 2011 +0800
x86_64: Handle I/O APIC probing failure
If I/O APIC does not exist:
- Reset apic_io_enable and reinitialize ICU if necessary; mainly for
ICU's auto EOI setting.
- Enable LAPIC LINT0 and disable LAPIC LINT1
While I'm here, add hw.ioapic_probe tunable to test this feature (again,
just don't it :)
Summary of changes:
sys/platform/pc64/apic/ioapic.c | 21 +++++++++++++--------
sys/platform/pc64/apic/ioapic.h | 2 +-
sys/platform/pc64/apic/lapic.c | 18 ++++++++++++++++++
sys/platform/pc64/apic/lapic.h | 1 +
sys/platform/pc64/x86_64/mp_machdep.c | 10 ++++++++--
5 files changed, 41 insertions(+), 11 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/944562df8d40fa1b6949f95af19ef90cc4e8227b
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