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From 481357ea8ae32b6894860c296cf6a2898260195f Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Fri, 17 Jan 2020 13:18:27 +0100
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Subject: [PATCH 4/4] RHEL: hw/i386: disable nested PERF_GLOBAL_CTRL MSR
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support
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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Message-id: <20200117131827.20361-1-pbonzini@redhat.com>
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Patchwork-id: 93405
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O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH v3] RHEL: hw/i386: disable nested PERF_GLOBAL_CTRL MSR support
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Bugzilla: 1559846
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RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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BZ: 1559846
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BRANCH: rhel-av-8.2.0
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BREW: 25775160
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UPSTREAM: RHEL only
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Nested PERF_GLOBAL_CTRL support is not present in the 8.2 kernel. Drop the
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features via compat properties, they will be moved to 8.2 machine type compat
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properties in the 8.3 timeframe.
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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---
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No change, for v2 I mistakenly wrote "origin/rhel-av-8.2.0" as the
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branch. :(
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hw/i386/pc.c | 2 ++
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1 file changed, 2 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/i386/pc.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/hw/i386/pc.c b/hw/i386/pc.c
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index 61e70e4..73a0f11 100644
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--- a/hw/i386/pc.c
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+++ b/hw/i386/pc.c
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@@ -351,6 +351,8 @@ const size_t pc_compat_1_4_len = G_N_ELEMENTS(pc_compat_1_4);
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GlobalProperty pc_rhel_compat[] = {
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{ TYPE_X86_CPU, "host-phys-bits", "on" },
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{ TYPE_X86_CPU, "host-phys-bits-limit", "48" },
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+ { TYPE_X86_CPU, "vmx-entry-load-perf-global-ctrl", "off" },
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+ { TYPE_X86_CPU, "vmx-exit-load-perf-global-ctrl", "off" },
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/* bz 1508330 */
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{ "vfio-pci", "x-no-geforce-quirks", "on" },
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};
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--
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1.8.3.1
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