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 9E2E6C7EE25 for ; Thu, 8 Jun 2023 00:08:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0335F8E0001; Wed, 7 Jun 2023 20:08:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F25E26B0074; Wed, 7 Jun 2023 20:08:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DEF238E0001; Wed, 7 Jun 2023 20:08:15 -0400 (EDT) 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 C5BF86B0072 for ; Wed, 7 Jun 2023 20:08:15 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 90F01401EE for ; Thu, 8 Jun 2023 00:08:15 +0000 (UTC) X-FDA: 80877643350.06.06E4391 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by imf03.hostedemail.com (Postfix) with ESMTP id 183CE20004 for ; Thu, 8 Jun 2023 00:08:12 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=AT+xwpeF; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf03.hostedemail.com: domain of kirill.shutemov@linux.intel.com has no SPF policy when checking 192.55.52.88) smtp.mailfrom=kirill.shutemov@linux.intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1686182893; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1VrqzYOcDRJUbzw5CnKb63h4op+oX9TWMeeBjyKXpQo=; b=bud0CCCJajHbBqX2tKucIXucV96C4fAkFpyLi1CHwTo9Vq+40stP7ggAH2PoWUC5+qXR/+ Rqjz/p95Y8iwMEEk3kifiL9CeBOQliY5wUoBqBxkZmud/E/7bcd3/c/uqBiL1HNCBe7kFQ u71vSfXhW5yFynA/aovgZHM1yEX2Yqk= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=AT+xwpeF; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf03.hostedemail.com: domain of kirill.shutemov@linux.intel.com has no SPF policy when checking 192.55.52.88) smtp.mailfrom=kirill.shutemov@linux.intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1686182893; a=rsa-sha256; cv=none; b=VmCP/M/m3YRG9rlTlLIwf8SgUioKKMi+IrniMhMqiT1ZrGCemkCvLW3qhM5+j2EhAfy9WM 0YvHR/H5nOXfplrk1MURxagbiKR/DG92kCtj/79BeQmdlC7P614/37u0meqe8h8xiKCkSM mUl/Dp3nfETvc1QAIpUOqOg/pe5Zz30= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686182893; x=1717718893; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=orX0Bu/L96/XDgQUIv0Q1F83ZzFs+xjOVyvBhEpOjwY=; b=AT+xwpeFvb+GC32WITDIKrm/+Jms/58c+GnGsHUXprfqtVNlKVs9J57v 308ol4lEeutHZcbFrvb6ru+M1ax0MjGT1UT7izwStrzWvZ9cecR5Z/UMi PR5o5sRuZV9F60cGNDi81K5Vdqy3ds8C8PXVzGvWL+KhDvOSCQ7Cn/Vsf 3VJi0W91+QYbSTa0Jbk2V1sjPkQNpv7WoA2VyJYs3wc0FV+pn6IBed5HV JJutE5lFXB/+TGy+Sp24bIM+mVyWlD1gMnHgsm+WGUz+QDpoMhoPhM06M YBHV1RAGxbKgOgBrE1hsDwbuMsKKAPojfW7jkBWz9NLv0Ui33NExvJpoq w==; X-IronPort-AV: E=McAfee;i="6600,9927,10734"; a="385482266" X-IronPort-AV: E=Sophos;i="6.00,225,1681196400"; d="scan'208";a="385482266" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2023 17:08:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10734"; a="854106686" X-IronPort-AV: E=Sophos;i="6.00,225,1681196400"; d="scan'208";a="854106686" Received: from zhanzhiw-mobl2.ger.corp.intel.com (HELO box.shutemov.name) ([10.249.42.209]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2023 17:08:06 -0700 Received: by box.shutemov.name (Postfix, from userid 1000) id 6EB6D10F0E0; Thu, 8 Jun 2023 03:08:03 +0300 (+03) Date: Thu, 8 Jun 2023 03:08:03 +0300 From: kirill.shutemov@linux.intel.com To: Kai Huang Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, dave.hansen@intel.com, tony.luck@intel.com, peterz@infradead.org, tglx@linutronix.de, seanjc@google.com, pbonzini@redhat.com, david@redhat.com, dan.j.williams@intel.com, rafael.j.wysocki@intel.com, ying.huang@intel.com, reinette.chatre@intel.com, len.brown@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 Subject: Re: [PATCH v11 03/20] x86/virt/tdx: Make INTEL_TDX_HOST depend on X86_X2APIC Message-ID: <20230608000803.x74u5fuylyw2pxjc@box.shutemov.name> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 183CE20004 X-Stat-Signature: 465irbrqrfpigai4cmcpr66sbmgour1t X-Rspam-User: X-HE-Tag: 1686182892-621372 X-HE-Meta: U2FsdGVkX19lYLSp5vdlK9iQ40jQe3Qh67CgmW8GWVin5MXZq60A7yRSX+m4PScZHTe3WaJN+ifrirAZQCxmv50oJeLPu7t/HAXtZYH1l+kEG0dzZaZZHVlo0/z6nfIi2ZMTMNiTHwsjyrTCNthj4AuD3wM4Oa2GuWWKRExa2L2xYmjNs9IvKORhQ41GF5L4Sd+xQUH9dXTGGleo2edFlHyyQW7MOIPW3kFbc0xt5QYk3POUnNUDJMLsAI+axHHmiSKmL16M1htyeG0rbrbXypjJ8tXDGf3QHeAxG3IvA5pCU20yDrkZF/+Ha+5Ffcfxo13nhjIeJMyHojOujvUGDlfNFOVr8n1RE+CFZE1KjaNHPmeb8C/uMrD2CiHibFCNJ9P0jSWrpd18n71sLeOFo5AGBkX8tAxd06AxuuMrMB/3vU7Wxmxlax75YGJjAC1z3h6rHhcO9/evzOE792R31HKsoHTHValo//1+987sE0JB4jkeuka/u5Ng7BxwtxPrSagwhAxBfZ7w1jCKGlLzuCcOZGLc1JrK9EbBJBXn9hTaetzHShq2Ts5uI2+BoAl38rlSceugF5KF+irnrX6U8uV7CepIU4Vs2R1qVmm5FL63brfjKBrTOReHr/n7NFClSDdenPvXVMELQ5kMnt6pP+EpDv0+Z0hEQfJvz3H8uDJayp2CgQdCYdzsdUgJ3+7N+blRzNWqt3cO8wSfQ5UxXufb16f8MP3iYfDC3IQVIFMCZteBIGFhbYHoDCBLEFxCDJnTtqO4pILKU9WUS5Y9myEFmUaRQYwT2P1CprE3M8EVDH+uwbhOVSri4mGR5ErCHhIo7HSa+0BE//MFcjiSwQuy4+j/8I3cjo50vnCSKqenlQGW9omPdQEaOVkkJbtMwBt4m/VE8IsacQvBPhcsE0f5nUdiX/e7kbFZ6CLx7L911rzaKAVQOSnToj+kiqWePIwlLdwKE3NcYc3NVK9 BpHpb6+4 efMEKv6CXn192qzLUCYyRV+dWTdFrF4yNDB7iRftZoMh5gYHpRA+wQ71a1KLyoJrNhfrebRcXthJH5fpIL1zLXKPJw4X+/d75jnNcIdJHxV1jvgrxnAEqiq6esjy+bygrd83mPRVi1xbnMIiK7FZ1p33l2Qq4oXPgTpZg2gb0n6dVLEr4B7Zv0Hk2WgKK1bF3JI86Rfx0Ln2CL5vrUiWw1v3XLich612xNO9bqk0dBjEQ84tS9Iafin0umCd2Vytclxwzl4CihToM7XKy9BpYjubFJPyKSZ6Dl1xq X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Jun 05, 2023 at 02:27:16AM +1200, 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. > > Link: https://lore.kernel.org/lkml/ba80b303-31bf-d44a-b05d-5c0f83038798@intel.com/ > Signed-off-by: Kai Huang > Reviewed-by: Dave Hansen > Reviewed-by: David Hildenbrand Reviewed-by: Kirill A. Shutemov -- Kiryl Shutsemau / Kirill A. Shutemov