linux-kernel - Re: [PATCH v4 0/9] x86/sev: KEXEC/KDUMP support for SEV-ES guests

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Message-ID: <ZfBx2ewmB06qQajs@vasant-suse>
Date: Tue, 12 Mar 2024 16:16:41 +0100
From: Vasant Karasulli <vkarasulli@...e.de>
To: Tom Lendacky <thomas.lendacky@....com>
Cc: Vasant k <vsntk18@...il.com>, x86@...nel.org, joro@...tes.org,
	cfir@...gle.com, dan.j.williams@...el.com,
	dave.hansen@...ux.intel.com, ebiederm@...ssion.com,
	erdemaktas@...gle.com, hpa@...or.com, jgross@...e.com,
	jslaby@...e.cz, keescook@...omium.org, kexec@...ts.infradead.org,
	kvm@...r.kernel.org, linux-coco@...ts.linux.dev,
	linux-kernel@...r.kernel.org, luto@...nel.org,
	martin.b.radev@...il.com, mhiramat@...nel.org, mstunes@...are.com,
	nivedita@...m.mit.edu, peterz@...radead.org, rientjes@...gle.com,
	seanjc@...gle.com, stable@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v4 0/9] x86/sev: KEXEC/KDUMP support for SEV-ES guests

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

- Vasant