From nobody Sat Apr 5 15:01:06 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1743515736; cv=none; d=zohomail.com; s=zohoarc; b=D0SfKjsfZMVUf9NgjcZZJ/QlpmNIZl72IDH9J32Yixfbwj7ktcZ29+tdLS3SKd7NRe/mE50Fd6tsIrEamh38Baiquqlc4qECbt+/9iC6MGzwFEgPji3JIQdhZnVUv7T8SnJw0Yai2DWVSUpungDnjCatDURjTPxz9wvx7Gs//1g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1743515736; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=pYQ5JxAuGr6DLI0cbsDQjTyJ7S4WPedtdM2fj7QmEHQ=; b=lMrldU/devcqvTVTCmQ9OowUxoZj25hlaJ3Vt7o94eOavdzm+tubclpV3voUpHneBqYqf3TUIEMY7Blyk0yOb1Ln1IO314+FtYQEM8MP+YcOovlwrwtg4/28Rp7Mu4VA1Px3KzOHDLXrRb3SIv43mckDP1AkN4Vxlk3XKpJoItI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1743515736293397.11019905406306; Tue, 1 Apr 2025 06:55:36 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tzbyu-0005e9-19; Tue, 01 Apr 2025 09:48:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tzbvJ-0001tV-GC for qemu-devel@nongnu.org; Tue, 01 Apr 2025 09:45:02 -0400 Received: from mgamail.intel.com ([192.198.163.16]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tzbvH-0006Zf-NH for qemu-devel@nongnu.org; Tue, 01 Apr 2025 09:45:01 -0400 Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2025 06:43:22 -0700 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa008.fm.intel.com with ESMTP; 01 Apr 2025 06:43:20 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743515099; x=1775051099; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kqJ6YMAigc2oOLvepy0MLHccWgmrlM/N47RQdC2WKiw=; b=jUCUTISMJPKLguTE7TF+dgwOmT0NhWq8Cx+XJ7mWq1DFCvWFrNIBaNJ/ FGG68SQnRUtVL3+jhPUUO7n3aY2cdpPeo4/vl0pk2a0t8UE4wvdZu/KcA d9kNZrNz0OjzCP37gPTPlLVjROdVcIugsTSpJSn+hBZ2vbG1DlM81wcZ2 3ytB3ccx71+tKLcLUCHzjXKXi60d2rANRToFOuTSePxt+AfPfKUPaWPcX TgRlJjzGZeFwSJbf4M75hs1NNpFEBxbq6xwJPOsewO0d+mv43+1nQUW9F Afy7yIGZ9WI/fQNRUR+2m1Wv4NgWGzFGWAm3XoSZvrK9tpXet8Jg9AlnU g==; X-CSE-ConnectionGUID: pAHsWdNWT66aU20wMLZM6w== X-CSE-MsgGUID: YaJW5ygnRGKNTIzpQqfp7Q== X-IronPort-AV: E=McAfee;i="6700,10204,11391"; a="32433592" X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="32433592" X-CSE-ConnectionGUID: ZV68wfqgR3C5EqD6bIsn1A== X-CSE-MsgGUID: b3rLLittR9W9jxJV7yZXMA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="126640286" From: Xiaoyao Li To: Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Cc: "Michael S. Tsirkin" , Markus Armbruster , Francesco Lavra , Marcelo Tosatti , qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Rick Edgecombe , Xiaoyao Li Subject: [PATCH v8 52/55] i386/tdx: Don't treat SYSCALL as unavailable Date: Tue, 1 Apr 2025 09:02:02 -0400 Message-Id: <20250401130205.2198253-53-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250401130205.2198253-1-xiaoyao.li@intel.com> References: <20250401130205.2198253-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.198.163.16; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.997, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1743515738448019100 Content-Type: text/plain; charset="utf-8" Signed-off-by: Xiaoyao Li --- Changes in v7: - fix CPUID_EXT2_SYSCALL by adding it to actual; --- target/i386/kvm/tdx.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 58797470ba7e..cd8e96d476b8 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -841,6 +841,19 @@ static int tdx_check_features(X86ConfidentialGuest *cg= , CPUState *cs) continue; } =20 + /* Fixup for special cases */ + switch (w) { + case FEAT_8000_0001_EDX: + /* + * Intel enumerates SYSCALL bit as 1 only when processor in 64= -bit + * mode and before vcpu running it's not in 64-bit mode. + */ + actual |=3D CPUID_EXT2_SYSCALL; + break; + default: + break; + } + requested =3D env->features[w]; unavailable =3D requested & ~actual; mark_unavailable_features(cpu, w, unavailable, unav_prefix); --=20 2.34.1