49 lines
2.0 KiB
Diff
49 lines
2.0 KiB
Diff
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From 9fc28ea52c88d603e85fa806a708b53b373f511e Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Sat, 16 Feb 2019 00:00:48 +0000
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Subject: [PATCH 2/4] i386: remove the new CPUID 'PCONFIG' from Icelake-Server
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CPU model
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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Message-id: <1550275250-41719-2-git-send-email-pbonzini@redhat.com>
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Patchwork-id: 84526
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O-Subject: [rhel-av-8.0.0 qemu-kvm PATCH 1/3] i386: remove the new CPUID 'PCONFIG' from Icelake-Server CPU model
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Bugzilla: 1661515
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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From: Robert Hoo <robert.hu@linux.intel.com>
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PCONFIG is not available to guests; it must be specifically enabled
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using the PCONFIG_ENABLE execution control. Disable it, because
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no one can ever use it.
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Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
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Message-Id: <1545227081-213696-2-git-send-email-robert.hu@linux.intel.com>
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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 76e5a4d58357b9d077afccf7f7c82e17f733b722)
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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 dbcf632..7b63900 100644
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--- a/target/i386/cpu.c
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+++ b/target/i386/cpu.c
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@@ -2675,8 +2675,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
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CPUID_7_0_ECX_AVX512VNNI | CPUID_7_0_ECX_AVX512BITALG |
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CPUID_7_0_ECX_AVX512_VPOPCNTDQ | CPUID_7_0_ECX_LA57,
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.features[FEAT_7_0_EDX] =
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- CPUID_7_0_EDX_PCONFIG | CPUID_7_0_EDX_SPEC_CTRL |
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- CPUID_7_0_EDX_SPEC_CTRL_SSBD,
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+ CPUID_7_0_EDX_SPEC_CTRL | CPUID_7_0_EDX_SPEC_CTRL_SSBD,
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/* Missing: XSAVES (not supported by some Linux versions,
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* including v4.1 to v4.12).
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* KVM doesn't yet expose any XSAVES state save component,
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--
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1.8.3.1
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