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 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 BD803C3F6B0 for ; Thu, 25 Aug 2022 11:51:34 +0000 (UTC) Received: from localhost ([::1]:52604 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oRBOX-00013y-T1 for qemu-devel@archiver.kernel.org; Thu, 25 Aug 2022 07:51:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41364) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oRBEW-0001gV-Jc for qemu-devel@nongnu.org; Thu, 25 Aug 2022 07:41:12 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:32959) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oRBEU-0006nN-OD for qemu-devel@nongnu.org; Thu, 25 Aug 2022 07:41:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1661427669; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=E0mFnAJaTo0vs3DF6YcPVBkxdY7PonUFjnB5NPBiVwc=; b=NAVfMj5SLXDzvgE5RpXOFFzBTty39ODvGuG+YLZP2o9Kpi+h2RR05A5hcN+dJSnPWB8jDH daKemh2IpcIpEwSf7UdR1O3nYsN0uz3MWpqGuxBCvh1A+8b7wtMdQlfMr/gvG5sWuq9Ech ikTp9F1m0O/zqxaGfWlgA1cxMkqFBDI= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-447-nkgjkZKEOiqx9_kRQduuNg-1; Thu, 25 Aug 2022 07:41:05 -0400 X-MC-Unique: nkgjkZKEOiqx9_kRQduuNg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 4B9481C07553; Thu, 25 Aug 2022 11:41:05 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.195.82]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 0CE5AC15BBA; Thu, 25 Aug 2022 11:41:05 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id C34BC180039B; Thu, 25 Aug 2022 13:41:03 +0200 (CEST) Date: Thu, 25 Aug 2022 13:41:03 +0200 From: Gerd Hoffmann To: Xiaoyao Li Cc: Paolo Bonzini , Isaku Yamahata , Daniel P =?utf-8?B?LiBCZXJyYW5nw6k=?= , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Richard Henderson , "Michael S . Tsirkin" , Marcel Apfelbaum , Cornelia Huck , Marcelo Tosatti , Laszlo Ersek , Eric Blake , Connor Kuehl , erdemaktas@google.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, seanjc@google.com Subject: Re: [PATCH v1 18/40] i386/tdx: Implement user specified tsc frequency Message-ID: <20220825114103.fm52vcmoemi5pjlc@sirius.home.kraxel.org> References: <20220802074750.2581308-1-xiaoyao.li@intel.com> <20220802074750.2581308-19-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220802074750.2581308-19-xiaoyao.li@intel.com> X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 Received-SPF: pass client-ip=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" On Tue, Aug 02, 2022 at 03:47:28PM +0800, Xiaoyao Li wrote: > Reuse "-cpu,tsc-frequency=" to get user wanted tsc frequency and call VM > scope VM_SET_TSC_KHZ to set the tsc frequency of TD before KVM_TDX_INIT_VM. > > Besides, sanity check the tsc frequency to be in the legal range and > legal granularity (required by TDX module). > > Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann