From patchwork Fri Aug 18 09:49:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13357626 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DC2D4C678DC for ; Fri, 18 Aug 2023 09:58:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWwD0-0006V1-Kb; Fri, 18 Aug 2023 05:55:58 -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 1qWwCy-0006QB-Mf for qemu-devel@nongnu.org; Fri, 18 Aug 2023 05:55:56 -0400 Received: from mgamail.intel.com ([192.55.52.120]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qWwCw-0007uZ-Br for qemu-devel@nongnu.org; Fri, 18 Aug 2023 05:55:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692352554; x=1723888554; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wik8JA7P0d/kyP7zjDgXMnR0P/7J1ZEvbe7tacP+sCQ=; b=Dv1iffQUj8TyUSYLRNBjSYHRCXKEJ27dUfVmXgd/up+UpS+CIjTnzU62 Phppjemp7Aau5J6aJsDmgP8aZfW+BlDboH/WWafe0VSqod/oRKDQgxqWw fgJ16PG+37XzfWjKSbzdG9g0T9AIpxR+e+SdYA80G6Ow9I2Jj512khY+L DWL4BJ44apr4J2WU04DInY0h8iUJEp2GQd6B/Dbj8xuiXJVkoCSUIrCLI V35TSL9uAG2ay/F/SVL0Dgrh1OANYJy1kUjlfyQyuQ0r6naiwa2K73QWV xrxhgQlHvZHCHnMhCaXbJy5G5UQthBKUGI8qJ1M9GIUNbDYOdbCbVrFNj w==; X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="371965872" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="371965872" 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 02:55:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10805"; a="849234947" X-IronPort-AV: E=Sophos;i="6.01,182,1684825200"; d="scan'208";a="849234947" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.46]) by fmsmga002.fm.intel.com with ESMTP; 18 Aug 2023 02:55:46 -0700 From: Xiaoyao Li To: Paolo Bonzini , Richard Henderson , "Michael S. Tsirkin" , Marcel Apfelbaum , Igor Mammedov , Ani Sinha , Peter Xu , David Hildenbrand , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?Dani?= =?utf-8?q?el_P=2E_Berrang=C3=A9?= , Cornelia Huck , Eric Blake , Markus Armbruster , Marcelo Tosatti , Gerd Hoffmann Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Eduardo Habkost , Laszlo Ersek , xiaoyao.li@intel.com, Isaku Yamahata , erdemaktas@google.com, Chenyi Qiang Subject: [PATCH v2 16/58] i386/tdx: Make sept_ve_disable set by default Date: Fri, 18 Aug 2023 05:49:59 -0400 Message-Id: <20230818095041.1973309-17-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 Received-SPF: pass client-ip=192.55.52.120; 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=-0.021, 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=0.001, RCVD_IN_DNSWL_MED=-2.3, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Isaku Yamahata For TDX KVM use case, Linux guest is the most major one. It requires sept_ve_disable set. Make it default for the main use case. For other use case, it can be enabled/disabled via qemu command line. Signed-off-by: Isaku Yamahata --- target/i386/kvm/tdx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 22130382c0c5..153a75a02599 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -535,7 +535,7 @@ static void tdx_guest_init(Object *obj) qemu_mutex_init(&tdx->lock); - tdx->attributes = 0; + tdx->attributes = TDX_TD_ATTRIBUTES_SEPT_VE_DISABLE; object_property_add_bool(obj, "sept-ve-disable", tdx_guest_get_sept_ve_disable,