Message ID | 20230818095041.1973309-23-xiaoyao.li@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <kvm-owner@vger.kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D61EEC7112B for <kvm@archiver.kernel.org>; Fri, 18 Aug 2023 09:57:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359475AbjHRJ50 (ORCPT <rfc822;kvm@archiver.kernel.org>); Fri, 18 Aug 2023 05:57:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359558AbjHRJ5Q (ORCPT <rfc822;kvm@vger.kernel.org>); Fri, 18 Aug 2023 05:57:16 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D33E3C0E for <kvm@vger.kernel.org>; Fri, 18 Aug 2023 02:56:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692352619; x=1723888619; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qIio7PdaVk3nTlRlOLmCuWUeF0qwU3Bvt3bsJTRXB3M=; b=SKPXRIez5AGVGXoNeBtzkc/gXy6Tez5RDV0biwkt7DNQAeMCsTFzXuUM jx/7CKp4SM9iDqrdjvro1n5/H8crSBWCURPucdTra0F64dPB9L5IPIVcy vCxiYbYot9BM+fiDn+tGdmO5Hdf3LmEpWjDhi/0U+kpxBOywYTycqCzpx WV4rdTfk0SpL9X7uXQAPK1mrZB2paoXbZM0cAfd4Y/7xC/7MHN6uOqfgi l4mSzjnZSefDzcCtvlR5U5N9mfb5clzWNpxnZOkGk+3NWKMfz873BZTwV zk+JgO5Qfgz0ZZKWk3DomZzk5M36J9it3suMCeQvgn+Jix58TS00uGNqZ w==; X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="371966051" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="371966051" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2023 02:56:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="849235180" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="849235180" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.46]) by fmsmga002.fm.intel.com with ESMTP; 18 Aug 2023 02:56:17 -0700 From: Xiaoyao Li <xiaoyao.li@intel.com> To: Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Peter Xu <peterx@redhat.com>, David Hildenbrand <david@redhat.com>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= <berrange@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, Gerd Hoffmann <kraxel@redhat.com> Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Eduardo Habkost <eduardo@habkost.net>, Laszlo Ersek <lersek@redhat.com>, xiaoyao.li@intel.com, Isaku Yamahata <isaku.yamahata@gmail.com>, erdemaktas@google.com, Chenyi Qiang <chenyi.qiang@intel.com> Subject: [PATCH v2 22/58] i386/tdx: Set kvm_readonly_mem_enabled to false for TDX VM Date: Fri, 18 Aug 2023 05:50:05 -0400 Message-Id: <20230818095041.1973309-23-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230818095041.1973309-1-xiaoyao.li@intel.com> References: <20230818095041.1973309-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
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TDX QEMU support
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diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index a72badfbfd65..8a2491ed03c2 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -461,6 +461,15 @@ int tdx_kvm_init(MachineState *ms, Error **errp) update_tdx_cpuid_lookup_by_tdx_caps(); + /* + * Set kvm_readonly_mem_allowed to false, because TDX only supports readonly + * memory for shared memory but not for private memory. Besides, whether a + * memslot is private or shared is not determined by QEMU. + * + * Thus, just mark readonly memory not supported for simplicity. + */ + kvm_readonly_mem_allowed = false; + tdx_guest = tdx; return 0;