The srcbusirq should be pci device number where the
interrupt originates. Fix it.
Fixes: f83cd16 ("kvm tools: irq: replace the x86 irq rbtree with the PCI device tree")
Signed-off-by: Dongli Si <sidongli1997@xxxxxxxxx>
---
x86/mptable.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86/mptable.c b/x86/mptable.c
index f13cf0f..f4753bd 100644
--- a/x86/mptable.c
+++ b/x86/mptable.c
@@ -180,7 +180,7 @@ int mptable__init(struct kvm *kvm)
unsigned char srcbusirq;
struct pci_device_header *pci_hdr = dev_hdr->data;
- srcbusirq = (pci_hdr->subsys_id << 2) | (pci_hdr->irq_pin - 1);
+ srcbusirq = (dev_hdr->dev_num << 2) | (pci_hdr->irq_pin - 1);
mpc_intsrc = last_addr;
mptable_add_irq_src(mpc_intsrc, pcibusid, srcbusirq, ioapicid, pci_hdr->irq_line);
--
2.44.0
