From cdca375a93add0cb9be100d7e8cdc39b59573666 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Thu, 9 May 2019 23:21:07 +0100 Subject: [PATCH 1/2] i386: remove the 'INTEL_PT' CPUID bit from named CPU models RH-Author: Eduardo Habkost Message-id: <20190509232108.25675-2-ehabkost@redhat.com> Patchwork-id: 87253 O-Subject: [RHEL-8.1.0 qemu-kvm PATCH 1/2] i386: remove the 'INTEL_PT' CPUID bit from named CPU models Bugzilla: 1561761 RH-Acked-by: Paolo Bonzini RH-Acked-by: Igor Mammedov RH-Acked-by: Danilo de Paula From: Paolo Bonzini Processor tracing is not yet implemented for KVM and it will be an opt in feature requiring a special module parameter. Disable it, because it is wrong to enable it by default and it is impossible that no one has ever used it. Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini (cherry picked from commit 4c257911dcc7c4189768e9651755c849ce9db4e8) Signed-off-by: Eduardo Habkost Signed-off-by: Danilo C. L. de Paula --- target/i386/cpu.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 8e63db6..c56d7e7 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -2515,7 +2515,7 @@ static X86CPUDefinition builtin_x86_defs[] = { CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID | CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | - CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_INTEL_PT, + CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX, .features[FEAT_7_0_ECX] = CPUID_7_0_ECX_VBMI | CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE | CPUID_7_0_ECX_VBMI2 | CPUID_7_0_ECX_GFNI | @@ -2573,8 +2573,7 @@ static X86CPUDefinition builtin_x86_defs[] = { CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_AVX512F | CPUID_7_0_EBX_AVX512DQ | CPUID_7_0_EBX_AVX512BW | CPUID_7_0_EBX_AVX512CD | - CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT | - CPUID_7_0_EBX_INTEL_PT, + CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT, .features[FEAT_7_0_ECX] = CPUID_7_0_ECX_VBMI | CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE | CPUID_7_0_ECX_VBMI2 | CPUID_7_0_ECX_GFNI | -- 1.8.3.1