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Re: [PATCH v6 00/18] s390x: Protected Virtualization support
From: |
Christian Borntraeger |
Subject: |
Re: [PATCH v6 00/18] s390x: Protected Virtualization support |
Date: |
Wed, 4 Mar 2020 18:45:44 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 |
On 04.03.20 18:15, David Hildenbrand wrote:
> On 04.03.20 12:42, Janosch Frank wrote:
>> Most of the QEMU changes for PV are related to the new IPL type with
>> subcodes 8 - 10 and the execution of the necessary Ultravisor calls to
>> IPL secure guests. Note that we can only boot into secure mode from
>> normal mode, i.e. stfle 161 is not active in secure mode.
>>
>> The other changes related to data gathering for emulation and
>> disabling addressing checks in secure mode, as well as CPU resets.
>>
>
> BTW, I can't find any RBs from IBM folks. Similar to the kernel part, I
> think it would be a good idea if some of your peers could review this as
> well (either upstream or before you send out). Would make my life most
> probably a little easier ...
Yes, its on my list of things todo. Regarding the kernel I found it odd
to send around Janoschs Patches reworked and then give a RB myself. I certainly
did a lot of review for them.
- Re: [PATCH v6 16/18] s390x: Add unpack facility feature to GA1, (continued)