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From 6bd31dbbc477571124ea1ce9e64217c898f05f22 Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Mon, 17 Feb 2020 16:23:23 -0500
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Subject: [PATCH 08/12] target/i386: enable monitor and ucode revision with
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-cpu max
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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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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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Message-id: <20200217162323.2572-7-pbonzini@redhat.com>
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Patchwork-id: 93905
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O-Subject: [RHEL7.9 qemu-kvm-rhev PATCH 6/6] target/i386: enable monitor and ucode revision with -cpu max
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Bugzilla: 1791653
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RH-Acked-by: Maxim Levitsky <mlevitsk@redhat.com>
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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These two features were incorrectly tied to host_cpuid_required rather than
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cpu->max_features. As a result, -cpu max was not enabling either MONITOR
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features or ucode revision.
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit be02cda3afde60d219786e23c3f8edb53aec8e17)
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[RHEL7: only affects microcode revision; plus, upstream uses g_autofree]
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Signed-off-by: Jon Maloy <jmaloy.redhat.com>
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---
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target/i386/cpu.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/target/i386/cpu.c b/target/i386/cpu.c
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index 3579bd53c5..88af0f4348 100644
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--- a/target/i386/cpu.c
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+++ b/target/i386/cpu.c
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@@ -4943,7 +4943,9 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
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g_free(name);
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goto out;
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}
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+ }
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+ if (cpu->max_features && accel_uses_host_cpuid()) {
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if (kvm_enabled() && cpu->ucode_rev == 0) {
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cpu->ucode_rev = kvm_arch_get_supported_msr_feature(kvm_state,
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MSR_IA32_UCODE_REV);
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--
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2.18.2
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