With the resamplefd list introduced, we can savely enable VFIO INTx
fast path again with split irqchip so it can still be faster than the
complete slow path.
Reviewed-by: Eric Auger <eric.au...@redhat.com>
Signed-off-by: Peter Xu <pet...@redhat.com>
---
hw/vfio/pci.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 09703362df..1c0aa27386 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -124,18 +124,6 @@ static void vfio_intx_enable_kvm(VFIOPCIDevice *vdev,
Error **errp)
return;
}
- if (kvm_irqchip_is_split()) {
- /*
- * VFIO INTx is currently not working with split kernel
- * irqchip for level triggered interrupts. Go the slow path
- * as long as split is enabled so we can be at least
- * functional (even with poor performance).
- *
- * TODO: Remove this after all things fixed up.
- */
- return;
- }
-
/* Get to a known interrupt state */
qemu_set_fd_handler(irq_fd, NULL, NULL, vdev);
vfio_mask_single_irqindex(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX);
--
2.24.1
