qemu: Restore resctrl alloc data after restart

During reconnect we need to reconstruct the paths of all cachetunes so that they
get cleaned up when the domain is stopped.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 239798fa5d7cc7483e7156b04f71815ffbb025e6..bcd4ac8ad699f141b95e091d3063822eadd64863 100644 (file)
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -77,6 +77,7 @@
 #include "configmake.h"
 #include "nwfilter_conf.h"
 #include "netdev_bandwidth_conf.h"
+#include "virresctrl.h"
 
 #define VIR_FROM_THIS VIR_FROM_QEMU
 
@@ -7332,6 +7333,12 @@ qemuProcessReconnect(void *opaque)
     if (qemuConnectAgent(driver, obj) < 0)
         goto error;
 
+    for (i = 0; i < obj->def->ncachetunes; i++) {
+        if (virResctrlAllocDeterminePath(obj->def->cachetunes[i]->alloc,
+                                         priv->machineName) < 0)
+            goto error;
+    }
+
     /* update domain state XML with possibly updated state in virDomainObj */
     if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, obj, driver->caps) < 0)
         goto error;