linux-kernel - Re: [PATCH v8 00/28] Drivers for gunyah hypervisor

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Date:   Tue, 10 Jan 2023 09:54:14 -0800
From:   Elliot Berman <quic_eberman@...cinc.com>
To:     Alex Elder <elder@...aro.org>,
        Bjorn Andersson <quic_bjorande@...cinc.com>
CC:     Murali Nalajala <quic_mnalajal@...cinc.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        Srivatsa Vaddagiri <quic_svaddagi@...cinc.com>,
        Carl van Schaik <quic_cvanscha@...cinc.com>,
        Prakruthi Deepak Heragu <quic_pheragu@...cinc.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        "Dmitry Baryshkov" <dmitry.baryshkov@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH v8 00/28] Drivers for gunyah hypervisor



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