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KVM: i8259: initialize isr_ack
authorAvi Kivity <avi@redhat.com>
Fri, 31 Dec 2010 08:52:15 +0000 (10:52 +0200)
committerAvi Kivity <avi@redhat.com>
Sun, 2 Jan 2011 09:52:48 +0000 (11:52 +0200)
commit89dbfe4ad149c309590fec6c8d29d8be0e282801
treea065d54c18eaa687762e032dd46c28d4affff3b1tree | snapshot
parent963955a1e364730ea23b67ac131edf8da6badb2ccommit | diff
KVM: i8259: initialize isr_ack

isr_ack is never initialized.  So, until the first PIC reset, interrupts
may fail to be injected.  This can cause Windows XP to fail to boot, as
reported in the fallout from the fix to
https://bugzilla.kernel.org/show_bug.cgi?id=21962.

Reported-and-tested-by: Nicolas Prochazka <prochazka.nicolas@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/i8259.c diff | blob | history
Linux Kernel Source Tree.