linux-kernel - 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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Date:   Mon, 11 Oct 2021 19:22:04 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Tianyu Lan <ltykernel@...il.com>
Cc:     Tom Lendacky <thomas.lendacky@....com>, linux-arch@...r.kernel.org,
        linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, vkuznets@...hat.com,
        konrad.wilk@...cle.com, hch@....de, robin.murphy@....com,
        joro@...tes.org, parri.andrea@...il.com, dave.hansen@...el.com,
        Hikys@...rosoft.com, haiyangz@...rosoft.com,
        sthemmin@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com,
        tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
        hpa@...or.com, dave.hansen@...ux.intel.com, luto@...nel.org,
        peterz@...radead.org, davem@...emloft.net, kuba@...nel.org,
        gregkh@...uxfoundation.org, arnd@...db.de, jroedel@...e.de,
        brijesh.singh@....com, Tianyu.Lan@...rosoft.com, pgonda@...gle.com,
        akpm@...ux-foundation.org, kirill.shutemov@...ux.intel.com,
        rppt@...nel.org, tj@...nel.org, aneesh.kumar@...ux.ibm.com,
        saravanand@...com, hannes@...xchg.org, rientjes@...gle.com,
        michael.h.kelley@...rosoft.com
Subject: Re: [PATCH V7 5/9] x86/sev-es: Expose __sev_es_ghcb_hv_call() to
 call ghcb hv call out of sev code

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@zn.tnic

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

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette