[PATCH 2/2] hyperv/synic: Allocate as ram_device

[Dr. David Alan Gilbert (git)]

From: "Dr. David Alan Gilbert" <address@hidden>

Mark the synic pages as ram_device so that they won't be visible
to vhost.

Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
 hw/hyperv/hyperv.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c
index da8ce82725..4de3ec411d 100644
--- a/hw/hyperv/hyperv.c
+++ b/hw/hyperv/hyperv.c
@@ -95,12 +95,14 @@ static void synic_realize(DeviceState *dev, Error **errp)
     msgp_name = g_strdup_printf("synic-%u-msg-page", vp_index);
     eventp_name = g_strdup_printf("synic-%u-event-page", vp_index);
 
-    memory_region_init_ram(&synic->msg_page_mr, obj, msgp_name,
-                           sizeof(*synic->msg_page), &error_abort);
-    memory_region_init_ram(&synic->event_page_mr, obj, eventp_name,
-                           sizeof(*synic->event_page), &error_abort);
-    synic->msg_page = memory_region_get_ram_ptr(&synic->msg_page_mr);
-    synic->event_page = memory_region_get_ram_ptr(&synic->event_page_mr);
+    synic->msg_page = qemu_memalign(qemu_real_host_page_size,
+                                    sizeof(*synic->msg_page));
+    synic->event_page = qemu_memalign(qemu_real_host_page_size,
+                                      sizeof(*synic->event_page));
+    memory_region_init_ram_device_ptr(&synic->msg_page_mr, obj, msgp_name,
+                           sizeof(*synic->msg_page), synic->msg_page);
+    memory_region_init_ram_device_ptr(&synic->event_page_mr, obj, eventp_name,
+                           sizeof(*synic->event_page), synic->event_page);
 
     g_free(msgp_name);
     g_free(eventp_name);
-- 
2.24.1