From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45206) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gaEK7-0005uT-9v for qemu-devel@nongnu.org; Fri, 21 Dec 2018 01:30:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gaEK3-0008Ns-AY for qemu-devel@nongnu.org; Fri, 21 Dec 2018 01:30:15 -0500 Sender: Paolo Bonzini From: Paolo Bonzini Date: Fri, 21 Dec 2018 07:30:02 +0100 Message-Id: <20181221063002.7570-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH] i386: remove the 'INTEL_PT' CPUID bit from named CPU models List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: robert.hu@intel.com, Robert Hoo , qemu-stable@nongnu.org From: Robert Hoo 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 --- target/i386/cpu.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index dae46f0319..9c54c41e7a 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -2493,8 +2493,7 @@ static X86CPUDefinition builtin_x86_defs[] = { CPUID_7_0_EBX_SMAP | 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_PKU | CPUID_7_0_ECX_OSPKE | CPUID_7_0_ECX_AVX512VNNI, @@ -2546,7 +2545,7 @@ 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_INTEL_PT, + CPUID_7_0_EBX_SMAP, .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 | @@ -2604,8 +2603,7 @@ static X86CPUDefinition builtin_x86_defs[] = { CPUID_7_0_EBX_SMAP | 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 | -- 2.20.1