VGA: Flush coalesced MMIO on related MMIO/PIO accesses
In preparation of stopping to flush coalesced MMIO unconditionally on
vmexits, mark VGA MMIO and PIO regions as synchronous /wrt coalesced
MMIO and flush the buffer explicitly on PIO accesses that do not use
generic memory regions yet.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/hw/vmware_vga.c b/hw/vmware_vga.c
index b68e883..e815a04 100644
--- a/hw/vmware_vga.c
+++ b/hw/vmware_vga.c
@@ -1186,6 +1186,7 @@
memory_region_init_io(&s->io_bar, &vmsvga_io_ops, &s->chip,
"vmsvga-io", 0x10);
+ memory_region_set_flush_coalesced(&s->io_bar);
pci_register_bar(&s->card, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
vmsvga_init(&s->chip, pci_address_space(dev),
