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From bd665085c2cd890f2249042f135b7a1735932d1b Mon Sep 17 00:00:00 2001
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Message-Id: <bd665085c2cd890f2249042f135b7a1735932d1b@dist-git>
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From: Jiri Denemark <jdenemar@redhat.com>
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Date: Fri, 21 Jun 2019 09:24:48 +0200
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Subject: [PATCH] cpu_map: Add support for arch-capabilities feature
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The feature was added to QEMU in 3.1.0 and it is currently blocking
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migration, which is expected to change in the future. Luckily 3.1.0 is
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new enough to give us migratability hints on each feature via
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query-cpu-model-expension, which means we don't need to use the
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"migratable" attribute on the CPU map XML.
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The kernel calls this feature arch_capabilities and RHEL/CentOS 7.* use
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arch-facilities. Apparently some CPU test files were gathered with the
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RHEL version of QEMU. Let's update the test files to avoid possible
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confusion about the correct naming.
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 511df17aec36385320dbcc088ba85968537d1d42)
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https://bugzilla.redhat.com/show_bug.cgi?id=1693433
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Conflicts:
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src/cpu_map/x86_features.xml
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- cpu_map split was not backported
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Message-Id: <fc8d72f3a2191ef85b537943aa1cc844f50b038d.1561068591.git.jdenemar@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/cpu/cpu_map.xml | 3 +++
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tests/cputestdata/x86_64-cpuid-EPYC-7601-32-Core-ibpb.json | 2 +-
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tests/cputestdata/x86_64-cpuid-Xeon-E5-2609-v3.json | 2 +-
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tests/cputestdata/x86_64-cpuid-Xeon-E5-2623-v4.json | 2 +-
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tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115.json | 2 +-
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5 files changed, 7 insertions(+), 4 deletions(-)
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diff --git a/src/cpu/cpu_map.xml b/src/cpu/cpu_map.xml
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index ceee0ae489..a9f284fbbe 100644
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--- a/src/cpu/cpu_map.xml
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+++ b/src/cpu/cpu_map.xml
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@@ -337,6 +337,9 @@
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<feature name='stibp'>
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<cpuid eax_in='0x07' ecx_in='0x00' edx='0x08000000'/>
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</feature>
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+ <feature name='arch-capabilities'>
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+ <cpuid eax_in='0x07' ecx_in='0x00' edx='0x20000000'/>
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+ </feature>
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<feature name='ssbd'>
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<cpuid eax_in='0x07' ecx_in='0x00' edx='0x80000000'/>
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</feature>
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diff --git a/tests/cputestdata/x86_64-cpuid-EPYC-7601-32-Core-ibpb.json b/tests/cputestdata/x86_64-cpuid-EPYC-7601-32-Core-ibpb.json
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index 94a60fcc8f..1f53bb8bf3 100644
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--- a/tests/cputestdata/x86_64-cpuid-EPYC-7601-32-Core-ibpb.json
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+++ b/tests/cputestdata/x86_64-cpuid-EPYC-7601-32-Core-ibpb.json
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@@ -232,7 +232,7 @@
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"avx512vbmi": false,
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"kvm-asyncpf": true,
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"spec-ctrl": false,
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- "arch-facilities": false,
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+ "arch-capabilities": false,
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"model": 1,
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"node-id": -1
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}
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diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2609-v3.json b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2609-v3.json
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index 10c5434263..6bdaf6e83a 100644
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--- a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2609-v3.json
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+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2609-v3.json
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@@ -232,7 +232,7 @@
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"avx512vbmi": false,
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"kvm-asyncpf": true,
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"spec-ctrl": true,
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- "arch-facilities": false,
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+ "arch-capabilities": false,
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"model": 63,
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"node-id": -1
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}
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diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2623-v4.json b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2623-v4.json
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index 0506dec0a7..2c6be20768 100644
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--- a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2623-v4.json
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+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2623-v4.json
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@@ -232,7 +232,7 @@
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"avx512vbmi": false,
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"kvm-asyncpf": true,
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"spec-ctrl": true,
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- "arch-facilities": false,
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+ "arch-capabilities": false,
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"model": 79,
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"node-id": -1
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}
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diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115.json b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115.json
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index 79f3580219..79b47a56fb 100644
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--- a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115.json
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+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115.json
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@@ -232,7 +232,7 @@
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"avx512vbmi": false,
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"kvm-asyncpf": true,
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"spec-ctrl": true,
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- "arch-facilities": false,
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+ "arch-capabilities": false,
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"model": 85,
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"node-id": -1
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}
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--
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2.22.0
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