Re: [v2] Support for Arm CCA VMs on Linux

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On Fri, Apr 12, 2024 at 09:40:56AM +0100, Steven Price wrote:
> We are happy to announce the second version of the Arm Confidential
> Compute Architecture (CCA) support for the Linux stack. The intention is
> to seek early feedback in the following areas:
>  * KVM integration of the Arm CCA;
>  * KVM UABI for managing the Realms, seeking to generalise the
>    operations where possible with other Confidential Compute solutions;
>  * Linux Guest support for Realms.
> See the previous RFC[1] for a more detailed overview of Arm's CCA
> solution, or visible the Arm CCA Landing page[2].
> This series is based on the final RMM v1.0 (EAC5) specification[3].

Instructions for building and running the CCA stack on QEMU, both as
system emulation and VMM, are available here:

I'll send out the QEMU VMM patches shortly: branch cca/v2


> [1] Previous RFC
> [2] Arm CCA Landing page (See Key Resources section for various documentation)
> [3] RMM v1.0-EAC5 specification
> [4] Shrinkwrap
> [5] Linux support for Arm CCA RMM v1.0-EAC5


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