From: Vikram Garhwal <fnu.vik...@xilinx.com>
Enable interrupt assign/remove for running VMs in CONFIG_OVERLAY_DTB.
Currently, irq_route and mapping is only allowed at the domain creation. Adding
exception for CONFIG_OVERLAY_DTB.
Signed-off-by: Vikram Garhwal <fnu.vik...@xilinx.com>
Signed-off-by: Stefano Stabellini <stefano.stabell...@xilinx.com>
Signed-off-by: Henry Wang <xin.wa...@amd.com>
---
xen/arch/arm/gic.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
index 44c40e86de..a775f886ed 100644
--- a/xen/arch/arm/gic.c
+++ b/xen/arch/arm/gic.c
@@ -140,8 +140,10 @@ int gic_route_irq_to_guest(struct domain *d, unsigned int
virq,
* back to the physical IRQ. To prevent get unsync, restrict the
* routing to when the Domain is been created.
*/
+#ifndef CONFIG_OVERLAY_DTB
if ( d->creation_finished )
return -EBUSY;
+#endif
ret = vgic_connect_hw_irq(d, NULL, virq, desc, true);
if ( ret )
@@ -171,8 +173,10 @@ int gic_remove_irq_from_guest(struct domain *d, unsigned
int virq,
* Removing an interrupt while the domain is running may have
* undesirable effect on the vGIC emulation.
*/
+#ifndef CONFIG_OVERLAY_DTB
if ( !d->is_dying )
return -EBUSY;
+#endif
desc->handler->shutdown(desc);
--
2.34.1
