after coalesced pio series patches, the patch is a supplement to q35 pci-host config port. Signed-off-by: Peng Hao <peng.hao2@xxxxxxxxxx> --- hw/pci-host/q35.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c index 02f9576..8ce1e09 100644 --- a/hw/pci-host/q35.c +++ b/hw/pci-host/q35.c @@ -51,6 +51,10 @@ static void q35_host_realize(DeviceState *dev, Error **errp) sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem); sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, 4); + /* register q35 0xcf8 port as coalesced pio */ + memory_region_set_flush_coalesced(&pci->data_mem); + memory_region_add_coalescing(&pci->conf_mem, 0, 4); + pci->bus = pci_root_bus_new(DEVICE(s), "pcie.0", s->mch.pci_address_space, s->mch.address_space_io, -- 1.8.3.1