clearlinux/kvmtool
2
0
Fork 0
mirror of https://github.com/clearlinux/kvmtool.git synced 2026-06-16 02:15:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

kvm tools: Fix IRQ mapping

Browse Source 
This thread fixes two issues:
 - Slave IRQCHIP was mapped wrong, this caused all IRQs which belong
to it to be ignored (breaking such things as the mouse).
 - Line 2 was being mapped, since it's the link between slave and master
IRQCHIPs it shouldn't be.

Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Sasha Levin
2011-08-11 12:04:07 +03:00
committed by Will Deacon
parent c23d9748e4
commit 2eb7ffa069
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
irq.c
+4 -3
View File
@@ -147,17 +147,18 @@ void irq__init(struct kvm *kvm)
/* Hook first 8 GSIs to master IRQCHIP */
for (i = 0; i < 8; i++)
irq__add_routing(i, KVM_IRQ_ROUTING_IRQCHIP, IRQCHIP_MASTER, i);
if (i != 2)
irq__add_routing(i, KVM_IRQ_ROUTING_IRQCHIP, IRQCHIP_MASTER, i);
/* Hook next 8 GSIs to slave IRQCHIP */
for (i = 8; i < 16; i++)
irq__add_routing(i, KVM_IRQ_ROUTING_IRQCHIP, IRQCHIP_SLAVE, 8-i);
irq__add_routing(i, KVM_IRQ_ROUTING_IRQCHIP, IRQCHIP_SLAVE, i - 8);
/* Last but not least, IOAPIC */
for (i = 0; i < 24; i++) {
if (i == 0)
irq__add_routing(i, KVM_IRQ_ROUTING_IRQCHIP, IRQCHIP_IOAPIC, 2);
else
else if (i != 2)
irq__add_routing(i, KVM_IRQ_ROUTING_IRQCHIP, IRQCHIP_IOAPIC, i);
}