Re: [PATCH V7 5/9] x86/sev-es: Expose __sev_es_ghcb_hv_call() to call ghcb hv call out of sev code

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Subject: Re: [PATCH V7 5/9] x86/sev-es: Expose __sev_es_ghcb_hv_call() to call ghcb hv call out of sev code
From: Tianyu Lan <ltykernel@xxxxxxxxx>
Date: Tue, 12 Oct 2021 22:13:43 +0800
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>, linux-arch@xxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, vkuznets@xxxxxxxxxx, konrad.wilk@xxxxxxxxxx, hch@xxxxxx, robin.murphy@xxxxxxx, joro@xxxxxxxxxx, parri.andrea@xxxxxxxxx, dave.hansen@xxxxxxxxx, Hikys@xxxxxxxxxxxxx, haiyangz@xxxxxxxxxxxxx, sthemmin@xxxxxxxxxxxxx, wei.liu@xxxxxxxxxx, decui@xxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, x86@xxxxxxxxxx, hpa@xxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, luto@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, davem@xxxxxxxxxxxxx, kuba@xxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx, arnd@xxxxxxxx, jroedel@xxxxxxx, brijesh.singh@xxxxxxx, Tianyu.Lan@xxxxxxxxxxxxx, pgonda@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, rppt@xxxxxxxxxx, tj@xxxxxxxxxx, aneesh.kumar@xxxxxxxxxxxxx, saravanand@xxxxxx, hannes@xxxxxxxxxxx, rientjes@xxxxxxxxxx, michael.h.kelley@xxxxxxxxxxxxx
In-reply-to: <YWRyvD413h+PwU9B@zn.tnic>
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0

Sure. Will do that. Thanks.

On 10/12/2021 1:22 AM, Borislav Petkov wrote:

On Mon, Oct 11, 2021 at 10:42:18PM +0800, Tianyu Lan wrote:

Hi @Tom and Borislav:
      Please have a look at this patch. If it's ok, could you give your ack.


I needed to do some cleanups in that area first:

https://lore.kernel.org/r/YWRwxImd9Qcls/Yy@xxxxxxx

Can you redo yours ontop so that you can show what exactly you need
exported for HyperV?

Thx.

References:
- [PATCH V7 0/9] x86/Hyper-V: Add Hyper-V Isolation VM support(First part)
  - From: Tianyu Lan
- [PATCH V7 5/9] x86/sev-es: Expose __sev_es_ghcb_hv_call() to call ghcb hv call out of sev code
  - From: Tianyu Lan
- Re: [PATCH V7 5/9] x86/sev-es: Expose __sev_es_ghcb_hv_call() to call ghcb hv call out of sev code
  - From: Tianyu Lan
- Re: [PATCH V7 5/9] x86/sev-es: Expose __sev_es_ghcb_hv_call() to call ghcb hv call out of sev code
  - From: Borislav Petkov

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