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From 6131491c7a5494c1c034973ae23fc842b1ee733e Mon Sep 17 00:00:00 2001
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From: "plai@redhat.com" <plai@redhat.com>
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Date: Mon, 1 Jul 2019 16:17:33 +0100
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Subject: [PATCH 04/39] i386: remove the 'INTEL_PT' CPUID bit from named CPU
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models
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RH-Author: plai@redhat.com
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Message-id: <1561997854-9646-5-git-send-email-plai@redhat.com>
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Patchwork-id: 89332
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O-Subject: [RHEL8.1 qemu-kvm PATCH v6 4/5] i386: remove the 'INTEL_PT' CPUID bit from named CPU models
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Bugzilla: 1629906
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RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Bandan Das <bsd@redhat.com>
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From: Paolo Bonzini <pbonzini@redhat.com>
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Processor tracing is not yet implemented for KVM and it will be an
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opt in feature requiring a special module parameter.
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Disable it, because it is wrong to enable it by default and
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it is impossible that no one has ever used it.
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 4c257911dcc7c4189768e9651755c849ce9db4e8)
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Signed-off-by: Paul Lai <plai@redhat.com>
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Resolved Conflicts:
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target/i386/cpu.c
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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target/i386/cpu.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/target/i386/cpu.c b/target/i386/cpu.c
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index 094f8a1..2538d82 100644
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--- a/target/i386/cpu.c
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+++ b/target/i386/cpu.c
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@@ -2515,8 +2515,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
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CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLWB |
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CPUID_7_0_EBX_AVX512F | CPUID_7_0_EBX_AVX512DQ |
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CPUID_7_0_EBX_AVX512BW | CPUID_7_0_EBX_AVX512CD |
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- CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT |
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- CPUID_7_0_EBX_INTEL_PT,
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+ CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT,
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.features[FEAT_7_0_ECX] =
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CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE |
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CPUID_7_0_ECX_AVX512VNNI,
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--
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1.8.3.1
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