diff --git a/poky/meta/lib/oeqa/utils/qemurunner.py b/poky/meta/lib/oeqa/utils/qemurunner.py
index eb23dbc..278904b 100644
--- a/poky/meta/lib/oeqa/utils/qemurunner.py
+++ b/poky/meta/lib/oeqa/utils/qemurunner.py
@@ -32,7 +32,7 @@
 class QemuRunner:
 
     def __init__(self, machine, rootfs, display, tmpdir, deploy_dir_image, logfile, boottime, dump_dir, dump_host_cmds,
-                 use_kvm, logger, use_slirp=False, serial_ports=2, boot_patterns = defaultdict(str), use_ovmf=False, workdir=None):
+                 use_kvm, logger, use_slirp=False, serial_ports=2, boot_patterns = defaultdict(str), use_ovmf=False, workdir=None, tmpfsdir=None):
 
         # Popen object for runqemu
         self.runqemu = None
@@ -61,6 +61,7 @@
         self.serial_ports = serial_ports
         self.msg = ''
         self.boot_patterns = boot_patterns
+        self.tmpfsdir = tmpfsdir
 
         self.runqemutime = 120
         if not workdir:
@@ -150,6 +151,9 @@
         else:
             env["DEPLOY_DIR_IMAGE"] = self.deploy_dir_image
 
+        if self.tmpfsdir:
+            env["RUNQEMU_TMPFS_DIR"] = self.tmpfsdir
+
         if not launch_cmd:
             launch_cmd = 'runqemu %s' % ('snapshot' if discard_writes else '')
             if self.use_kvm:
diff --git a/poky/meta/lib/oeqa/utils/qemutinyrunner.py b/poky/meta/lib/oeqa/utils/qemutinyrunner.py
index 5c92941..2000940 100644
--- a/poky/meta/lib/oeqa/utils/qemutinyrunner.py
+++ b/poky/meta/lib/oeqa/utils/qemutinyrunner.py
@@ -19,7 +19,7 @@
 
 class QemuTinyRunner(QemuRunner):
 
-    def __init__(self, machine, rootfs, display, tmpdir, deploy_dir_image, logfile, kernel, boottime, logger):
+    def __init__(self, machine, rootfs, display, tmpdir, deploy_dir_image, logfile, kernel, boottime, logger, tmpfsdir=None):
 
         # Popen object for runqemu
         self.runqemu = None
@@ -37,6 +37,7 @@
         self.deploy_dir_image = deploy_dir_image
         self.logfile = logfile
         self.boottime = boottime
+        self.tmpfsdir = tmpfsdir
 
         self.runqemutime = 60
         self.socketfile = "console.sock"
@@ -83,6 +84,9 @@
             return False
         else:
             os.environ["DEPLOY_DIR_IMAGE"] = self.deploy_dir_image
+        if self.tmpfsdir:
+            env["RUNQEMU_TMPFS_DIR"] = self.tmpfsdir
+
 
         # Set this flag so that Qemu doesn't do any grabs as SDL grabs interact
         # badly with screensavers.