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From 9dcf5d0029fe9b1e1e17b20070702bc1ce6382ad Mon Sep 17 00:00:00 2001
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Message-Id: <9dcf5d0029fe9b1e1e17b20070702bc1ce6382ad@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Tue, 4 Apr 2017 09:31:20 +0200
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Subject: [PATCH] qemu: hotplug: Iterate over vcpu 0 in individual vcpu hotplug
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code
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Buggy condition meant that vcpu0 would not be iterated in the checks.
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Since it's not hotpluggable anyways we would not be able to break the
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configuration of a live VM.
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1437013
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(cherry picked from commit 315f443dbb9f821fb207c30585e01dfbaac01878)
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---
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src/qemu/qemu_hotplug.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
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index de561da58..b5b520d8c 100644
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--- a/src/qemu/qemu_hotplug.c
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+++ b/src/qemu/qemu_hotplug.c
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@@ -5784,7 +5784,7 @@ qemuDomainSetVcpuConfig(virDomainDefPtr def,
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def->individualvcpus = true;
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- while ((next = virBitmapNextSetBit(map, next)) > 0) {
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+ while ((next = virBitmapNextSetBit(map, next)) >= 0) {
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if (!(vcpu = virDomainDefGetVcpu(def, next)))
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continue;
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@@ -5817,7 +5817,7 @@ qemuDomainFilterHotplugVcpuEntities(virDomainDefPtr def,
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return NULL;
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/* make sure that all selected vcpus are in the correct state */
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- while ((next = virBitmapNextSetBit(map, next)) > 0) {
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+ while ((next = virBitmapNextSetBit(map, next)) >= 0) {
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if (!(vcpu = virDomainDefGetVcpu(def, next)))
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continue;
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@@ -5837,7 +5837,7 @@ qemuDomainFilterHotplugVcpuEntities(virDomainDefPtr def,
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/* Make sure that all vCPUs belonging to a single hotpluggable entity were
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* selected and then de-select any sub-threads of it. */
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next = -1;
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- while ((next = virBitmapNextSetBit(map, next)) > 0) {
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+ while ((next = virBitmapNextSetBit(map, next)) >= 0) {
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if (!(vcpu = virDomainDefGetVcpu(def, next)))
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continue;
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--
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2.12.2
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