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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15D6FC46467 for ; Tue, 10 Jan 2023 17:55:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234068AbjAJRzJ (ORCPT ); Tue, 10 Jan 2023 12:55:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234218AbjAJRyn (ORCPT ); Tue, 10 Jan 2023 12:54:43 -0500 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3937E59D20; Tue, 10 Jan 2023 09:54:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1673373257; x=1704909257; h=message-id:date:mime-version:from:subject:to:cc: references:in-reply-to:content-transfer-encoding; bh=7AXhqOp1gtecOre6oRBlKXRLRxGw3ArZm7GFJzcZVEk=; b=Fcx6xxCDO20S62posT7jSSj7cRKBl1Ks/+o6aHk99eQXzyi+/vkgz3Dr KZvszjHAlgXVPA+9/KxT4qYjKpG+ZufXqa2QL3wXLpsN40nCYa3tiuKji KMxmATm7lAleoGf1pMrtYiQA7gyzX4YRi1E+u7VXfPdSrGEJflV740nFv Y=; Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-01.qualcomm.com with ESMTP; 10 Jan 2023 09:54:15 -0800 X-QCInternal: smtphost Received: from nasanex01b.na.qualcomm.com ([10.46.141.250]) by ironmsg04-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jan 2023 09:54:15 -0800 Received: from [10.134.67.48] (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Tue, 10 Jan 2023 09:54:14 -0800 Message-ID: <26c0895b-9d69-d355-5b55-19e6ea69bae3@quicinc.com> Date: Tue, 10 Jan 2023 09:54:14 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 From: Elliot Berman Subject: Re: [PATCH v8 00/28] Drivers for gunyah hypervisor To: Alex Elder , Bjorn Andersson CC: Murali Nalajala , Trilok Soni , Srivatsa Vaddagiri , Carl van Schaik , Prakruthi Deepak Heragu , Arnd Bergmann , Greg Kroah-Hartman , Rob Herring , "Krzysztof Kozlowski" , Jonathan Corbet , Bagas Sanjaya , Catalin Marinas , Will Deacon , Jassi Brar , Sudeep Holla , Mark Rutland , Lorenzo Pieralisi , "Dmitry Baryshkov" , , , , , , References: <20221219225850.2397345-1-quic_eberman@quicinc.com> <83b6dbc2-01da-04b6-64ec-9a69fd5c4c89@linaro.org> Content-Language: en-US In-Reply-To: <83b6dbc2-01da-04b6-64ec-9a69fd5c4c89@linaro.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 1/9/2023 1:34 PM, Alex Elder wrote: > On 12/19/22 4:58 PM, Elliot Berman wrote: >> Gunyah is a Type-1 hypervisor independent of any >> high-level OS kernel, and runs in a higher CPU privilege level. It does >> not depend on any lower-privileged OS kernel/code for its core >> functionality. This increases its security and can support a much smaller >> trusted computing base than a Type-2 hypervisor. >> >> Gunyah is an open source hypervisor. The source repo is available at >> https://github.com/quic/gunyah-hypervisor. > > Can you provide any history about the hypervisor code itself? > Was it publicly reviewed?  Has it been reviewed by anyone in > the Linux kernel community, who might have some useful input > on it? > This is Gunyah's first interaction with wider public community. Gunyah has been deployed in devices for past few generation of Qualcomm Technolgoies, Inc. (mobile) chipsets. Thanks, Elliot