From b2327cf8081c335fd89b743835dbbebd3d010bb4 Mon Sep 17 00:00:00 2001
From: Robert Jordens <rj@m-labs.hk>
Date: Mon, 17 Oct 2016 22:00:16 +0200
Subject: [PATCH] sawg: core is kernel_invariant

---
 artiq/coredevice/sawg.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/coredevice/sawg.py b/artiq/coredevice/sawg.py
index 2732b1e03..2a078143d 100644
--- a/artiq/coredevice/sawg.py
+++ b/artiq/coredevice/sawg.py
@@ -10,7 +10,7 @@ class SAWG:
         Frequency and Phase are then assumed to be successive channels.
     """
     kernel_invariants = {"amplitude_scale", "frequency_scale", "phase_scale",
-                         "channel_base"}
+                         "channel_base", "core"}
 
     def __init__(self, dmgr, channel_base, parallelism=4, core_device="core"):
         self.core = dmgr.get(core_device)