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SubjectRe: [RFC PATCH V3 00/16] x86/hyperv/sev: Add AMD sev-snp enlightened guest support on hyperv
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On 2/9/2023 12:36 PM, Gupta, Pankaj wrote:
> Hi Tianyu,
>
>> This patchset is to add AMD sev-snp enlightened guest
>> support on hyperv. Hyperv uses Linux direct boot mode
>> to boot up Linux kernel and so it needs to pvalidate
>> system memory by itself.
>>
>> In hyperv case, there is no boot loader and so cc blob
>> is prepared by hypervisor. In this series, hypervisor
>> set the cc blob address directly into boot parameter
>> of Linux kernel. If the magic number on cc blob address
>> is valid, kernel will read cc blob.
>>
>> Shared memory between guests and hypervisor should be
>> decrypted and zero memory after decrypt memory. The data
>> in the target address. It maybe smearedto avoid smearing
>> data.
>>
>> Introduce #HV exception support in AMD sev snp code and
>> #HV handler.
>
> I am interested to test the Linux guest #HV exception handling (patches
> 12-16 in this series) for the restricted interrupt injection with the
> Linux/KVM host.
>
> Do you have a git tree which or any base commit on which
> I can use to apply these patches?

Never mind. I could apply the patches 12-16 on master (except minor
tweak in patch 14). Now, will try to test.

Thanks,
Pankaj

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