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-rw-r--r--backends/hostmem.c1
-rw-r--r--target/i386/hax-windows.c4
-rw-r--r--tests/qtest/numa-test.c2
3 files changed, 4 insertions, 3 deletions
diff --git a/backends/hostmem.c b/backends/hostmem.c
index a70867b255..327f9eebc3 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -280,6 +280,7 @@ static void host_memory_backend_init(Object *obj)
     /* TODO: convert access to globals to compat properties */
     backend->merge = machine_mem_merge(machine);
     backend->dump = machine_dump_guest_core(machine);
+    backend->prealloc_threads = 1;
 }
 
 static void host_memory_backend_post_init(Object *obj)
diff --git a/target/i386/hax-windows.c b/target/i386/hax-windows.c
index 0ba488c468..863c2bcc19 100644
--- a/target/i386/hax-windows.c
+++ b/target/i386/hax-windows.c
@@ -185,12 +185,12 @@ int hax_mod_version(struct hax_state *hax, struct hax_module_version *version)
 
 static char *hax_vm_devfs_string(int vm_id)
 {
-    return g_strdup_printf("/dev/hax_vm/vm%02d", vm_id);
+    return g_strdup_printf("\\\\.\\hax_vm%02d", vm_id);
 }
 
 static char *hax_vcpu_devfs_string(int vm_id, int vcpu_id)
 {
-    return g_strdup_printf("/dev/hax_vm%02d/vcpu%02d", vm_id, vcpu_id);
+    return g_strdup_printf("\\\\.\\hax_vm%02d_vcpu%02d", vm_id, vcpu_id);
 }
 
 int hax_host_create_vm(struct hax_state *hax, int *vmid)
diff --git a/tests/qtest/numa-test.c b/tests/qtest/numa-test.c
index 2f9b7f663a..e1ed6d4322 100644
--- a/tests/qtest/numa-test.c
+++ b/tests/qtest/numa-test.c
@@ -455,7 +455,7 @@ static void pc_hmat_off_cfg(const void *data)
     cli = make_cli(data, "-nodefaults --preconfig "
                          "-smp 2,sockets=2 "
                          "-m 128M,slots=2,maxmem=1G "
-                         "-object memory-backend-ram,size=64M,id=m0 "
+                         "-object memory-backend-ram,size=64M,id=m0,prealloc=y "
                          "-object memory-backend-ram,size=64M,id=m1 "
                          "-numa node,nodeid=0,memdev=m0");
     qs = qtest_init(cli);