From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42E13C61DB3 for ; Fri, 6 Jan 2023 19:05:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B9A518E0003; Fri, 6 Jan 2023 14:04:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B711D8E0001; Fri, 6 Jan 2023 14:04:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A388C8E0003; Fri, 6 Jan 2023 14:04:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 93E6A8E0001 for ; Fri, 6 Jan 2023 14:04:59 -0500 (EST) Received: from smtpin13.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 6BFC780E8B for ; Fri, 6 Jan 2023 19:04:59 +0000 (UTC) X-FDA: 80325301518.13.8BB1B5D Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by imf25.hostedemail.com (Postfix) with ESMTP id 6BD2FA0006 for ; Fri, 6 Jan 2023 19:04:57 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=XYjWEd8p; spf=pass (imf25.hostedemail.com: domain of dave.hansen@intel.com designates 134.134.136.24 as permitted sender) smtp.mailfrom=dave.hansen@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1673031897; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=l2Phovic0j5dwOus7Kv2cXXBPQ6hmk9wSjzguE/n7Cs=; b=D6ROCVG6d6W+CJuA8BN5fLCoxFjrmL7U40DMNUhwsx78PM65+NtfEClSt0iD026Ff26xFP nn27vf45nNK0wO+0cSgcAyNvdKCdLJBIaalr8YeAgnvSzI4VTwdRUSlzwgfDrBMxeoR3PE UObTr/3jE7oHsixLoBaJgeD2wpTES0U= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=XYjWEd8p; spf=pass (imf25.hostedemail.com: domain of dave.hansen@intel.com designates 134.134.136.24 as permitted sender) smtp.mailfrom=dave.hansen@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1673031897; a=rsa-sha256; cv=none; b=NdrWrxXYN/D/AA6LN10LRm3WBPrAJIJvAe3fNhfGRQh21Y4bt6CRfYDrNn7CT5ezDIHon9 lea4keAJ1clxEzZ6HLSFNutSgTjBTe9kijDKTbpiNwgd5IZfvxrlk0yqasNEDfdw5X1UiP pOikMIThwFyQ817BKgClECxfcs9MsGk= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1673031897; x=1704567897; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=U0B3FcIGKcygAKtvShqUhbCH3EMjINmxqyyYU8bpZpU=; b=XYjWEd8p5X6X8PQMUEr20VeKK3IAwllJpwz5xhsWq2Yd9RcQGhtkRdl1 PY6sqmIwAuOetCJWPOfu9aRqQx7K8U1UuN4UY/v1tEmoN1JB/5So0GpE+ SamY8EeKLYbMm+GOQT/YLeN8TeImEyjtgz0uWVMYLdzeGAOM1WAOH5AmX YVJsGWE9Tu0rcMUrp/G8B2QKCt3eo3PhvQOC0NqHjPy5SRrqfFCCIwTeL 55zdHfVHAvjkd9gjJDl9TOPEM0cPk8TGrjsE8TCxzAzu6TuEgxhxSEK/d wI4W38xXK6oWHQp5Y96BZf3V/LbwYDR4EOV55Yu4ay05oCeM6gAeL+26L Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10582"; a="323786388" X-IronPort-AV: E=Sophos;i="5.96,306,1665471600"; d="scan'208";a="323786388" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2023 11:04:56 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10582"; a="656020455" X-IronPort-AV: E=Sophos;i="5.96,306,1665471600"; d="scan'208";a="656020455" Received: from xiangyuy-mobl.amr.corp.intel.com (HELO [10.212.251.186]) ([10.212.251.186]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2023 11:04:55 -0800 Message-ID: <44161611-67f9-f5cf-0827-6dd8839a1871@intel.com> Date: Fri, 6 Jan 2023 11:04:55 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH v8 03/16] x86/virt/tdx: Make INTEL_TDX_HOST depend on X86_X2APIC Content-Language: en-US To: Kai Huang , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: linux-mm@kvack.org, peterz@infradead.org, tglx@linutronix.de, seanjc@google.com, pbonzini@redhat.com, dan.j.williams@intel.com, rafael.j.wysocki@intel.com, kirill.shutemov@linux.intel.com, ying.huang@intel.com, reinette.chatre@intel.com, len.brown@intel.com, tony.luck@intel.com, ak@linux.intel.com, isaku.yamahata@intel.com, chao.gao@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, bagasdotme@gmail.com, sagis@google.com, imammedo@redhat.com References: <514a6c330ef5fc214d32bcbcc7a77dc825e857df.1670566861.git.kai.huang@intel.com> From: Dave Hansen In-Reply-To: <514a6c330ef5fc214d32bcbcc7a77dc825e857df.1670566861.git.kai.huang@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 6BD2FA0006 X-Stat-Signature: 7rkgjaqg14f1n31c5xptjx36gqdbd9ah X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1673031897-681227 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000023, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 12/8/22 22:52, Kai Huang wrote: > TDX capable platforms are locked to X2APIC mode and cannot fall back to > the legacy xAPIC mode when TDX is enabled by the BIOS. TDX host support > requires x2APIC. Make INTEL_TDX_HOST depend on X86_X2APIC. Reviewed-by: Dave Hansen