From 120967192737301cd93c597ca06824e2f951b658 Mon Sep 17 00:00:00 2001
Message-Id: <120967192737301cd93c597ca06824e2f951b658@dist-git>
From: Martin Kletzander <mkletzan@redhat.com>
Date: Wed, 31 Jan 2018 16:32:45 +0100
Subject: [PATCH] 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>
(cherry picked from commit 6c44013b174d676c37e86fc884bd933cf8f982fa)
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>

https://bugzilla.redhat.com/show_bug.cgi?id=1289368
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
---
 src/qemu/qemu_process.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 08081aa278..3bb4b14948 100644
--- 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
 
@@ -7328,6 +7329,12 @@ 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;
-- 
2.16.1