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authorAvi Kivity <avi@qumranet.com>2008-06-17 15:36:36 -0700
committerAvi Kivity <avi@qumranet.com>2008-06-24 12:23:55 +0300
commit4fa6b9c5dc4134bdeac341d731a87783cc11ca10 (patch)
tree3542acc44ec41a0c9f79fbda570f64d315bdb0b1 /drivers/net/myri10ge
parent6bf6a9532fd03ad719f0c86654f16ef777b78fc6 (diff)
KVM: ioapic: fix lost interrupt when changing a device's irq
The ioapic acknowledge path translates interrupt vectors to irqs. It currently uses a first match algorithm, stopping when it finds the first redirection table entry containing the vector. That fails however if the guest changes the irq to a different line, leaving the old redirection table entry in place (though masked). Result is interrupts not making it to the guest. Fix by always scanning the entire redirection table. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/net/myri10ge')
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