Re: [PATCH v16 01/34] docs: gunyah: Introduce Gunyah Hypervisor

[Elliot Berman <quic_eberman@quicinc.com>]

On 1/9/2024 3:31 PM, Randy Dunlap wrote:
> 
> 
> On 1/9/24 11:37, Elliot Berman wrote:
>> Gunyah is an open-source Type-1 hypervisor developed by Qualcomm. It
>> does not depend on any lower-privileged OS/kernel code for its core
>> functionality. This increases its security and can support a smaller
>> trusted computing based when compared to Type-2 hypervisors.
>>
>> Add documentation describing the Gunyah hypervisor and the main
>> components of the Gunyah hypervisor which are of interest to Linux
>> virtualization development.
>>
>> Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
>> ---
>>  Documentation/virt/gunyah/index.rst         | 134 ++++++++++++++++++++++++++++
>>  Documentation/virt/gunyah/message-queue.rst |  68 ++++++++++++++
>>  Documentation/virt/index.rst                |   1 +
>>  3 files changed, 203 insertions(+)
>>
>> diff --git a/Documentation/virt/gunyah/index.rst b/Documentation/virt/gunyah/index.rst
>> new file mode 100644
>> index 000000000000..da8e5e4b9cac
>> --- /dev/null
>> +++ b/Documentation/virt/gunyah/index.rst
>> @@ -0,0 +1,134 @@
>> +.. SPDX-License-Identifier: GPL-2.0
>> +
>> +=================
>> +Gunyah Hypervisor
>> +=================
>> +
>> +.. toctree::
>> +   :maxdepth: 1
>> +
>> +   message-queue
>> +
>> +Gunyah is a Type-1 hypervisor which is independent of any OS kernel, and runs in
>> +a higher CPU privilege level. It does not depend on any lower-privileged
> 
> Is this the usual meaning of higher and lower? Seems backwards to me.
> 

Hmm, I guess this x86 having ring 0 as most privileged and arm using EL3 as most
privileged. I'll switch to "more" and "less" privilege rather than implying
a numbering scheme.

Thanks for the rest of suggestions, applied those!

- Elliot