linux-kernel - Re: [PATCH V8 5/9] x86/sev-es: Expose sev_es_ghcb_hv_call() to call ghcb hv call out of sev code

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Message-ID: <f5b6f9e8-5888-bd5f-143f-a7b12ec17bbb@gmail.com>
Date:   Mon, 25 Oct 2021 20:27:39 +0800
From:   Tianyu Lan <ltykernel@...il.com>
To:     Borislav Petkov <bp@...en8.de>, Wei Liu <wei.liu@...nel.org>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        decui@...rosoft.com, tglx@...utronix.de, mingo@...hat.com,
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        dave.hansen@...el.com
Subject: Re: [PATCH V8 5/9] x86/sev-es: Expose sev_es_ghcb_hv_call() to call
 ghcb hv call out of sev code

On 10/25/2021 7:24 PM, Borislav Petkov wrote:
> On Mon, Oct 25, 2021 at 11:20:33AM +0000, Wei Liu wrote:
>> Borislav, please take the whole series via the tip tree if possible.
>> That's perhaps the easiest thing for both of us because the rest of the
>> series depends on this patch. Or else I will have to base hyperv-next on
>> the tip tree once you merge this patch.
>>
>> Let me know what you think.
> 
> You'll be able to simply merge the tip/x86/sev branch which will have it
> and then base everything ontop.
> 
> However, there's still a question open - see my reply to Michael.

Hi Boris:
       I just sent out v9 version and compile hv ghcb related functions
when CONFIG_AMD_MEM_ENCRYPT is selected. The sev_es_ghcb_hv_call() stub
is not necessary in the series and remove it. Please have a look and
give your ack if it's ok. Then Wei can merge it through Hyper-V next
branch.

Thanks.