From 6a1d536006d9b6f888bd56ba1ff03c6e66acb020 Mon Sep 17 00:00:00 2001

From: "plai@redhat.com" <plai@redhat.com>

Date: Wed, 3 Apr 2019 15:54:34 +0100

Subject: [PATCH 10/10] Revert "i386: Add CPUID bit for PCONFIG"

RH-Author: plai@redhat.com

Message-id: <1554306874-28796-11-git-send-email-plai@redhat.com>

Patchwork-id: 85388

O-Subject: [RHEL8.1 qemu-kvm PATCH resend 10/10] Revert "i386: Add CPUID bit for PCONFIG"

Bugzilla: 1561761

RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>

RH-Acked-by: Igor Mammedov <imammedo@redhat.com>

RH-Acked-by: Michael S. Tsirkin <mst@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: Paul Lai <plai@redhat.com>

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 ad369be..8e63db6 100644

--- a/target/i386/cpu.c

+++ b/target/i386/cpu.c

@@ -1042,7 +1042,7 @@ 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", "stibp",

             NULL, "arch-capabilities", NULL, "ssbd",

diff --git a/target/i386/cpu.h b/target/i386/cpu.h

index 63f692f..3ae0e8c 100644

--- a/target/i386/cpu.h

+++ b/target/i386/cpu.h

@@ -687,7 +687,6 @@ 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