From patchwork Fri Dec 21 06:30:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 1017331 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="PirCbwzV"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 43Ldzd56swz9sDN for ; Fri, 21 Dec 2018 17:30:36 +1100 (AEDT) Received: from localhost ([::1]:42658 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gaEKP-0005uj-2O for incoming@patchwork.ozlabs.org; Fri, 21 Dec 2018 01:30:33 -0500 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 Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]:38378) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gaEK0-0008GP-KW; Fri, 21 Dec 2018 01:30:10 -0500 Received: by mail-wm1-x344.google.com with SMTP id m22so4534183wml.3; Thu, 20 Dec 2018 22:30:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DjoRT1p6+9Un61wjnlw+vw5yVRTt/LbUfAxc0gKDQ8M=; b=PirCbwzVf/SOBfoEzPl8Kw/m0dQHq6Ci69VTszGGgqjqT/GYMb6LYZYQqSlA0agzcx bC2BEbdmF0IDYGXMUmDIquaThVSE0LICNMe9m/YSEd4XKK9i6sEVYV8KKO8dsL69eKZa nI8fc45woxSKd1vcUJ3LS20yblWn6yNQmYVoJz4VMV2I/YPI8ZOeXt6dmWMim+1GOkCQ 4ESJHUGO1gSRkeShJ/ueBpp58Z7NoxMARccVpeY0r0umV0Hc8yYKgLZCNV0243PtR1o2 B4RaBComBhfKL7zLvfIcGllwcZhQdReDcqPGRgtz8Dl81zd6nwrJSKXZmdaFwHuaXbze yiKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=DjoRT1p6+9Un61wjnlw+vw5yVRTt/LbUfAxc0gKDQ8M=; b=oxxS0qfPL58ZkGnHFP++MgL25i6hWVPlFe7mK2khkf/v37RhKA9Xj57kICgJDhQ006 m2XkWI+dMR+HDx2+IDYZqdI764gShUQBi4kuoiXqBlYbE2kIFoJlZWyxyuy+aA15R1yO WZpLH6ZG+yWh0t7VZLTtypXN2ZSfCHeDRIQc61+0EpInQ3lutNniXiGxNlt7U7qpzbdV 4NrdJIzvSfQl0DGFv9ybRMfBxUBDxef6ZSos4pdElNDUsADseK7OV8AKx9yYMdtQZH/2 mN7sNem9cy8riLnITnTSeGivSyYjz+Vcp09H45D1b9+YnsJIWPwR84fztW+vuH3WSy0+ YnQg== X-Gm-Message-State: AA+aEWa1+2flbrL6MzIdkHr1OfrkvOUxrdzi0VCTLukM8rwgxmKXpAmZ ecIDIeRcXwDSqwpWH6vWGpg5wV+F X-Google-Smtp-Source: AFSGD/WYnT1PHC01rn1PGFksWXhtDU53Jo6aBk3uB1c0IBapKqskmyZQMtfuGjO6IzZk5Cr48ydi+g== X-Received: by 2002:a1c:b70b:: with SMTP id h11mr1503616wmf.72.1545373804356; Thu, 20 Dec 2018 22:30:04 -0800 (PST) Received: from donizetti.lan ([93.56.166.5]) by smtp.gmail.com with ESMTPSA id g67sm12245868wmd.38.2018.12.20.22.30.03 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 20 Dec 2018 22:30:03 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Fri, 21 Dec 2018 07:30:02 +0100 Message-Id: <20181221063002.7570-1-pbonzini@redhat.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::344 Subject: [Qemu-devel] [PATCH] i386: remove the 'INTEL_PT' CPUID bit from named CPU models X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: robert.hu@intel.com, qemu-stable@nongnu.org, Robert Hoo Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 Signed-off-by: Robert Hoo --- 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 |