git: ioapic/x86_64: Allow GSI > 191

Sepherosa Ziehau sephe at
Mon Oct 29 19:54:42 PDT 2012

commit aad8a0a7da2699f0f3c23b136290c32b4ef7c4f4
Author: Sepherosa Ziehau <sephe at>
Date:   Tue Oct 30 10:53:59 2012 +0800

    ioapic/x86_64: Allow GSI > 191
    Some BIOSes seem to assume that all 256 IDT vectors could be used,
    while we limit the available IDT vectors percpu to 192.   Find an
    unused IRQ for these GSIs, if this ever happens.
    Reported-by: thowe on EFnet #dragonflybsd

Summary of changes:
 sys/platform/pc64/apic/ioapic_abi.c |   44 ++++++++++++++++++++++++++++++----
 1 files changed, 38 insertions(+), 6 deletions(-)

DragonFly BSD source repository

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