Accepting request 1091034 from home:vulyanov:branches:Virtualization
- Update to version 0.59.1 Release notes https://github.com/kubevirt/kubevirt/releases/tag/v0.59.1 - Drop upstreamed patches 0002-TSC-frequencies-add-250PPM-tolerance.patch OBS-URL: https://build.opensuse.org/request/show/1091034 OBS-URL: https://build.opensuse.org/package/show/Virtualization/kubevirt?expand=0&rev=113
This commit is contained in:
Vasily Ulyanov
Git OBS Bridge
parent
4e5de0613b
commit
32b0591ce4
@ -1,146 +0,0 @@
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From 5b2375575346dc36d63aa2a68174db48a4439dbe Mon Sep 17 00:00:00 2001
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From: Jed Lejosne <jed@redhat.com>
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Date: Thu, 20 Apr 2023 16:45:47 -0400
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Subject: [PATCH] TSC frequencies: add 250PPM tolerance
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It is possible to migrate VMs to nodes that have a TSC frequency within 250PPM of theirs.
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This adds support for it by tagging nodes with VMI frequencies within the tolerance range.
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Signed-off-by: Jed Lejosne <jed@redhat.com>
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---
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pkg/virt-controller/watch/topology/filter.go | 8 ++++++
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pkg/virt-controller/watch/topology/tsc.go | 26 ++++++++++++++-----
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.../watch/topology/tsc_test.go | 21 ++++++++++-----
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3 files changed, 42 insertions(+), 13 deletions(-)
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diff --git a/pkg/virt-controller/watch/topology/filter.go b/pkg/virt-controller/watch/topology/filter.go
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index 0108f5a41..ddf05489a 100644
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--- a/pkg/virt-controller/watch/topology/filter.go
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+++ b/pkg/virt-controller/watch/topology/filter.go
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@@ -1,6 +1,8 @@
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package topology
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import (
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+ "math"
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+
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v1 "k8s.io/api/core/v1"
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virtv1 "kubevirt.io/api/core/v1"
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@@ -10,6 +12,7 @@ import (
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const TSCFrequencyLabel = virtv1.CPUTimerLabel + "tsc-frequency"
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const TSCFrequencySchedulingLabel = "scheduling.node.kubevirt.io/tsc-frequency"
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const TSCScalableLabel = virtv1.CPUTimerLabel + "tsc-scalable"
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+const TSCTolerancePPM float64 = 250
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type FilterPredicateFunc func(node *v1.Node) bool
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@@ -89,3 +92,8 @@ func FilterNodesFromCache(objs []interface{}, predicates ...FilterPredicateFunc)
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}
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return match
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}
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+
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+// ToleranceForFrequency returns TSCTolerancePPM parts per million of freq, rounded down to the nearest Hz
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+func ToleranceForFrequency(freq int64) int64 {
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+ return int64(math.Floor(float64(freq) * (TSCTolerancePPM / 1000000)))
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+}
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diff --git a/pkg/virt-controller/watch/topology/tsc.go b/pkg/virt-controller/watch/topology/tsc.go
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index ebde09aa6..06795deab 100644
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--- a/pkg/virt-controller/watch/topology/tsc.go
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+++ b/pkg/virt-controller/watch/topology/tsc.go
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@@ -85,14 +85,24 @@ func TSCFrequenciesOnNode(node *v1.Node) (frequencies []int64) {
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return
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}
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-func CalculateTSCLabelDiff(frequenciesInUse []int64, frequenciesOnNode []int64, nodeFrequency int64, scalable bool) (toAdd []int64, toRemove []int64) {
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- if scalable {
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- frequenciesInUse = append(frequenciesInUse, nodeFrequency)
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- } else {
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- frequenciesInUse = []int64{nodeFrequency}
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+func distance(freq1, freq2 int64) int64 {
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+ if freq1 > freq2 {
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+ return freq1 - freq2
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}
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+ return freq2 - freq1
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+}
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+
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+func CalculateTSCLabelDiff(frequenciesInUse []int64, frequenciesOnNode []int64, nodeFrequency int64, scalable bool) (toAdd []int64, toRemove []int64) {
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+ frequenciesInUse = append(frequenciesInUse, nodeFrequency)
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+ tolerance := ToleranceForFrequency(nodeFrequency)
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requiredMap := map[int64]struct{}{}
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for _, freq := range frequenciesInUse {
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+ if !scalable && distance(freq, nodeFrequency) > tolerance {
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+ // A non-scalable node can only accept frequencies that are within Qemu's tolerance:
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+ // nodeFrequency*(1-0.000250) < acceptableFrequency < nodeFrequency*(1+0.000250).
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+ // Skip the frequencies that are outside that range
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+ continue
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+ }
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requiredMap[freq] = struct{}{}
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}
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@@ -102,8 +112,10 @@ func CalculateTSCLabelDiff(frequenciesInUse []int64, frequenciesOnNode []int64,
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}
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}
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- for _, freq := range frequenciesInUse {
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- if freq <= nodeFrequency {
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+ for freq := range requiredMap {
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+ // For the non-scalable case, the map was already sanitized above.
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+ // For the scalable case, a node can accept frequencies that are either lower than its own or within the tolerance range
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+ if !scalable || freq <= nodeFrequency || distance(freq, nodeFrequency) <= tolerance {
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toAdd = append(toAdd, freq)
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}
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}
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diff --git a/pkg/virt-controller/watch/topology/tsc_test.go b/pkg/virt-controller/watch/topology/tsc_test.go
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index 61f439745..c066d9c65 100644
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--- a/pkg/virt-controller/watch/topology/tsc_test.go
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+++ b/pkg/virt-controller/watch/topology/tsc_test.go
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@@ -42,8 +42,8 @@ var _ = Describe("TSC", func() {
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DescribeTable("should calculate the node label diff", func(frequenciesInUse []int64, frequenciesOnNode []int64, nodeFrequency int64, scalable bool, expectedToAdd []int64, expectedToRemove []int64) {
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toAdd, toRemove := topology.CalculateTSCLabelDiff(frequenciesInUse, frequenciesOnNode, nodeFrequency, scalable)
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- Expect(toAdd).To(Equal(expectedToAdd))
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- Expect(toRemove).To(Equal(expectedToRemove))
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+ Expect(toAdd).To(ConsistOf(expectedToAdd))
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+ Expect(toRemove).To(ConsistOf(expectedToRemove))
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},
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Entry(
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"on a scalable node",
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@@ -56,15 +56,15 @@ var _ = Describe("TSC", func() {
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),
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Entry(
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"on a scalable node where not all required frequencies are compatible",
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- []int64{1, 2, 3, 200},
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+ []int64{1, 2, 3, 123130, 200000}, // 123130 is above but within 250 PPM
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[]int64{2, 4},
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- int64(123),
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+ int64(123123),
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true,
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- []int64{1, 2, 3, 123},
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+ []int64{1, 2, 3, 123123, 123130},
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[]int64{4},
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),
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Entry(
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- "on a not scalable node where only the node frequency can be set",
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+ "on a non-scalable node where only the node frequency can be set",
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[]int64{1, 2, 3},
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[]int64{2, 4},
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int64(123),
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@@ -72,6 +72,15 @@ var _ = Describe("TSC", func() {
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[]int64{123},
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[]int64{2, 4},
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),
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+ Entry(
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+ "on a non-scalable node where other node frequencies are close-enough",
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+ []int64{1, 2, 123120, 123130}, // 250 PPM of 123123 is 30
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+ []int64{2, 4},
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+ int64(123123),
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+ false,
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+ []int64{123123, 123120, 123130},
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+ []int64{2, 4},
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+ ),
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)
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Context("needs to be set when", func() {
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--
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2.40.0
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2
_service
2
_service
@ -1,7 +1,7 @@
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<services>
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<service name="tar_scm" mode="disabled">
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<param name="filename">kubevirt</param>
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<param name="revision">v0.59.0</param>
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<param name="revision">v0.59.1</param>
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<param name="scm">git</param>
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<param name="submodules">disable</param>
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<param name="url">https://github.com/kubevirt/kubevirt</param>
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@ -22,7 +22,7 @@ spec:
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serviceAccountName: kubevirt-testing
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containers:
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- name: target
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image: quay.io/kubevirt/disks-images-provider:v0.59.0
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image: quay.io/kubevirt/disks-images-provider:v0.59.1
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imagePullPolicy: Always
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lifecycle:
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preStop:
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@ -1,3 +0,0 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:f6dedadcf428b9aa7d30cb06a0ea4a5ea817a7bded1ff3505c22f7d08d8ae561
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size 14787334
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3
kubevirt-0.59.1.tar.gz
Normal file
3
kubevirt-0.59.1.tar.gz
Normal file
@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:61f5e4e94d02e6f9687cf5087e7ed46ba0b142f88562cd0586cee3ef0d8d0dde
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size 14809199
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@ -1,3 +1,11 @@
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-------------------------------------------------------------------
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Tue Jun 6 06:17:00 UTC 2023 - Vasily Ulyanov <vasily.ulyanov@suse.com>
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- Update to version 0.59.1
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Release notes https://github.com/kubevirt/kubevirt/releases/tag/v0.59.1
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- Drop upstreamed patches
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0002-TSC-frequencies-add-250PPM-tolerance.patch
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-------------------------------------------------------------------
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Tue May 2 12:01:29 UTC 2023 - Vasily Ulyanov <vasily.ulyanov@suse.com>
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@ -17,7 +17,7 @@
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Name: kubevirt
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Version: 0.59.0
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Version: 0.59.1
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Release: 0
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Summary: Container native virtualization
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License: Apache-2.0
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@ -29,7 +29,6 @@ Source2: kubevirt_containers_meta.service
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Source3: %{url}/releases/download/v%{version}/disks-images-provider.yaml
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Source100: %{name}-rpmlintrc
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Patch0: 0001-Vulnerability-fix-limit-operator-secrets-permission.patch
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Patch1: 0002-TSC-frequencies-add-250PPM-tolerance.patch
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BuildRequires: glibc-devel-static
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BuildRequires: golang-packaging
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BuildRequires: pkgconfig
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