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Re: [PATCH v6 00/18] s390x: Protected Virtualization support

From: David Hildenbrand
Subject: Re: [PATCH v6 00/18] s390x: Protected Virtualization support
Date: Wed, 4 Mar 2020 18:15:33 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

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 ...


David / dhildenb

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