From: Wanpeng Li <wanpeng...@hotmail.com>
The qemu will crash when info ioapic through hmp if irqchip
is split. Below message is splat:
KVM_GET_IRQCHIP failed: Unknown error -6
This patch fix it by dumping the ioapic state from the qemu
emulated ioapic if irqchip is split.
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Richard Henderson <r...@twiddle.net>
Cc: Eduardo Habkost <ehabk...@redhat.com>
Signed-off-by: Wanpeng Li <wanpeng...@hotmail.com>
Message-Id: <1474602456-3232-1-git-send-email-wanpeng...@hotmail.com>
Reviewed-by: Peter Xu <pet...@redhat.com>
Message-ID: <20160923090824.gf15...@pxdev.xzpeter.org>
Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
---
target-i386/monitor.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target-i386/monitor.c b/target-i386/monitor.c
index fccfe40..9a3b4d7 100644
--- a/target-i386/monitor.c
+++ b/target-i386/monitor.c
@@ -504,7 +504,8 @@ void hmp_info_local_apic(Monitor *mon, const QDict *qdict)
void hmp_info_io_apic(Monitor *mon, const QDict *qdict)
{
- if (kvm_irqchip_in_kernel()) {
+ if (kvm_irqchip_in_kernel() &&
+ !kvm_irqchip_is_split()) {
kvm_ioapic_dump_state(mon, qdict);
} else {
ioapic_dump_state(mon, qdict);
--
2.7.4
