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Date: Tue, 12 Mar 2024 11:13:54 -0500
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Subject: Re: [PATCH v4 0/9] x86/sev: KEXEC/KDUMP support for SEV-ES guests
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To: Vasant Karasulli <vkarasulli@suse.de>
Cc: Vasant k <vsntk18@gmail.com>, x86@kernel.org, joro@8bytes.org,
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References: <20240311161727.14916-1-vsntk18@gmail.com>
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From: Tom Lendacky <thomas.lendacky@amd.com>
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On 3/12/24 10:16, Vasant Karasulli wrote:
> On Di 12-03-24 09:04:13, Tom Lendacky wrote:
>> On 3/11/24 15:32, Vasant k wrote:
>>> Hi Tom,
>>>
>>>          Right,  it just escaped my mind that the SNP uses the secrets page
>>> to hand over APs to the next stage.  I will correct that in the next
>>
>> Not quite... The MADT table lists the APs and the GHCB AP Create NAE event
>> is used to start the APs.
> 
> Alright. So AP Jump Table is not used like in the case of SEV-ES. Thanks,

Right. It can be, but we don't use that method in Linux.

Thanks,
Tom

> I will keep the changes in the patch set exclusively for SEV-ES then.
> 
> - Vasant