From: David Woodhouse <dwmw@amazon.co.uk>
If I advertise XENFEAT_hvm_pirqs then a guest now boots successfully as
long as I tell it 'pci=nomsi'.
[root@localhost ~]# cat /proc/interrupts
CPU0
0: 52 IO-APIC 2-edge timer
1: 16 xen-pirq 1-ioapic-edge i8042
4: 1534 xen-pirq 4-ioapic-edge ttyS0
8: 1 xen-pirq 8-ioapic-edge rtc0
9: 0 xen-pirq 9-ioapic-level acpi
11: 5648 xen-pirq 11-ioapic-level ahci[0000:00:04.0]
12: 257 xen-pirq 12-ioapic-edge i8042
...
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
---
hw/i386/kvm/xen_evtchn.c | 56 +++++++++++++++++++++++++++++++++++++++-
hw/i386/kvm/xen_evtchn.h | 2 ++
hw/i386/x86.c | 16 ++++++++++++
3 files changed, 73 insertions(+), 1 deletion(-)