qemu-kvm/kvm-Revert-i386-Add-CPUID-bit-for-PCONFIG.patch
Danilo C. L. de Paula 5a65f82232 * Tue Feb 26 2019 Danilo Cesar Lemes de Paula <ddepaula@redhat.com> - 3.1.0-18.el8
- kvm-target-i386-Disable-MPX-support-on-named-CPU-models.patch [bz#1661030]
- kvm-i386-remove-the-new-CPUID-PCONFIG-from-Icelake-Serve.patch [bz#1661515]
- kvm-i386-remove-the-INTEL_PT-CPUID-bit-from-named-CPU-mo.patch [bz#1661515]
- kvm-Revert-i386-Add-CPUID-bit-for-PCONFIG.patch [bz#1661515]
- Resolves: bz#1661030
  (Remove MPX support from 8.0 machine types)
- Resolves: bz#1661515
  (Remove PCONFIG and INTEL_PT from Icelake-* CPU models)
2019-02-26 17:50:29 +00:00

58 lines
2.4 KiB
Diff

From da2d528c3cffe22bd1b90b446a045376e4370845 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Sat, 16 Feb 2019 00:00:50 +0000
Subject: [PATCH 4/4] Revert "i386: Add CPUID bit for PCONFIG"
RH-Author: Paolo Bonzini <pbonzini@redhat.com>
Message-id: <1550275250-41719-4-git-send-email-pbonzini@redhat.com>
Patchwork-id: 84524
O-Subject: [rhel-av-8.0.0 qemu-kvm PATCH 3/3] Revert "i386: Add CPUID bit for PCONFIG"
Bugzilla: 1661515
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
From: Robert Hoo <robert.hu@linux.intel.com>
This reverts commit 5131dc433df54b37e8e918d8fba7fe10344e7a7b.
For new instruction 'PCONFIG' will not be exposed to guest.
Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Message-Id: <1545227081-213696-3-git-send-email-robert.hu@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 712f807e1965c8f1f1da5bbec2b92a8c540e6631)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
target/i386/cpu.c | 2 +-
target/i386/cpu.h | 1 -
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 169a2ce..d990070 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1077,7 +1077,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
- NULL, NULL, "pconfig", NULL,
+ NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, "spec-ctrl", NULL,
NULL, "arch-capabilities", NULL, "ssbd",
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index dd88151..26412f1 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -692,7 +692,6 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */
#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */
-#define CPUID_7_0_EDX_PCONFIG (1U << 18) /* Platform Configuration */
#define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */
#define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29) /*Arch Capabilities*/
#define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31) /* Speculative Store Bypass Disable */
--
1.8.3.1