linux-kernel - Re: [PATCH 00/12] Secure Virtual Machine Enablement

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Message-Id: <87imtpgrhi.fsf@morokweng.localdomain>
Date:   Sat, 01 Jun 2019 14:11:53 -0300
From:   Thiago Jung Bauermann <bauerman@...ux.ibm.com>
To:     linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, Alexey Kardashevskiy <aik@...abs.ru>,
        Anshuman Khandual <anshuman.linux@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christoph Hellwig <hch@....de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Mike Anderson <andmike@...ux.ibm.com>,
        Paul Mackerras <paulus@...ba.org>,
        Ram Pai <linuxram@...ibm.com>,
        Claudio Carvalho <cclaudio@...ux.ibm.com>
Subject: Re: [PATCH 00/12] Secure Virtual Machine Enablement


Hello,

Thiago Jung Bauermann <bauerman@...ux.ibm.com> writes:

> This series enables Secure Virtual Machines (SVMs) on powerpc. SVMs use the
> Protected Execution Facility (PEF) and request to be migrated to secure
> memory during prom_init() so by default all of their memory is inaccessible
> to the hypervisor. There is an Ultravisor call that the VM can use to
> request certain pages to be made accessible to (or shared with) the
> hypervisor.
>
> The objective of these patches is to have the guest perform this request
> for buffers that need to be accessed by the hypervisor such as the LPPACAs,
> the SWIOTLB memory and the Debug Trace Log.

Ping? Any more comments on these patches? Or even acks? :-)

-- 
Thiago Jung Bauermann
IBM Linux Technology Center