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From 46f4cfe513f0f893c862dca7f02ed7d7932b2115 Mon Sep 17 00:00:00 2001
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Message-Id: <46f4cfe513f0f893c862dca7f02ed7d7932b2115@dist-git>
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From: Jiri Denemark <jdenemar@redhat.com>
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Date: Tue, 26 Apr 2022 12:50:41 +0200
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Subject: [PATCH] cpu_map: Disable cpu64-rhel* for host-model and baseline
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These ancient RHEL-only CPU models should not really be used by any CPU
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definition created by libvirt. We keep them just for backwards
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compatibility with domains which might still be using them.
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit d2e4d66be35cd04da72e5f5129a8a4da6a931505)
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https://bugzilla.redhat.com/show_bug.cgi?id=1851227
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/cpu_map/x86_cpu64-rhel5.xml                        | 2 +-
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 src/cpu_map/x86_cpu64-rhel6.xml                        | 2 +-
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 tests/cputestdata/x86_64-baseline-no-vendor-result.xml | 3 ++-
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 3 files changed, 4 insertions(+), 3 deletions(-)
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diff --git a/src/cpu_map/x86_cpu64-rhel5.xml b/src/cpu_map/x86_cpu64-rhel5.xml
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index be6bcdb7a6..7402b7603c 100644
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--- a/src/cpu_map/x86_cpu64-rhel5.xml
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+++ b/src/cpu_map/x86_cpu64-rhel5.xml
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@@ -1,6 +1,6 @@
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 <cpus>
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   <model name='cpu64-rhel5'>
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-    <decode host='on' guest='on'/>
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+    <decode host='off' guest='off'/>
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     <feature name='apic'/>
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     <feature name='clflush'/>
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     <feature name='cmov'/>
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diff --git a/src/cpu_map/x86_cpu64-rhel6.xml b/src/cpu_map/x86_cpu64-rhel6.xml
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index c62b1b5575..061939c733 100644
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--- a/src/cpu_map/x86_cpu64-rhel6.xml
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+++ b/src/cpu_map/x86_cpu64-rhel6.xml
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@@ -1,6 +1,6 @@
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 <cpus>
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   <model name='cpu64-rhel6'>
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-    <decode host='on' guest='on'/>
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+    <decode host='off' guest='off'/>
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     <feature name='apic'/>
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     <feature name='clflush'/>
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     <feature name='cmov'/>
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diff --git a/tests/cputestdata/x86_64-baseline-no-vendor-result.xml b/tests/cputestdata/x86_64-baseline-no-vendor-result.xml
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index 00e03b2152..4b4921cf93 100644
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--- a/tests/cputestdata/x86_64-baseline-no-vendor-result.xml
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+++ b/tests/cputestdata/x86_64-baseline-no-vendor-result.xml
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@@ -1,3 +1,4 @@
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 <cpu mode='custom' match='exact'>
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-  <model fallback='allow'>cpu64-rhel6</model>
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+  <model fallback='allow'>kvm64</model>
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+  <feature policy='require' name='lahf_lm'/>
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 </cpu>
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-- 
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2.35.1
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