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From 120967192737301cd93c597ca06824e2f951b658 Mon Sep 17 00:00:00 2001
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Message-Id: <120967192737301cd93c597ca06824e2f951b658@dist-git>
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From: Martin Kletzander <mkletzan@redhat.com>
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Date: Wed, 31 Jan 2018 16:32:45 +0100
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Subject: [PATCH] qemu: Restore resctrl alloc data after restart
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During reconnect we need to reconstruct the paths of all cachetunes so that they
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get cleaned up when the domain is stopped.
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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(cherry picked from commit 6c44013b174d676c37e86fc884bd933cf8f982fa)
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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https://bugzilla.redhat.com/show_bug.cgi?id=1289368
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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---
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src/qemu/qemu_process.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
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index 08081aa278..3bb4b14948 100644
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--- a/src/qemu/qemu_process.c
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+++ b/src/qemu/qemu_process.c
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@@ -77,6 +77,7 @@
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#include "configmake.h"
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#include "nwfilter_conf.h"
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#include "netdev_bandwidth_conf.h"
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+#include "virresctrl.h"
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#define VIR_FROM_THIS VIR_FROM_QEMU
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@@ -7328,6 +7329,12 @@ qemuProcessReconnect(void *opaque)
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if (qemuConnectAgent(driver, obj) < 0)
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goto error;
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+ for (i = 0; i < obj->def->ncachetunes; i++) {
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+ if (virResctrlAllocDeterminePath(obj->def->cachetunes[i]->alloc,
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+ priv->machineName) < 0)
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+ goto error;
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+ }
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+
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/* update domain state XML with possibly updated state in virDomainObj */
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if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, obj, driver->caps) < 0)
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goto error;
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--
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2.16.1
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