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Date:   Wed, 15 Jul 2020 12:10:34 +0200
From:   Joerg Roedel <jroedel@suse.de>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     Joerg Roedel <joro@8bytes.org>, x86@kernel.org, hpa@zytor.com,
        Andy Lutomirski <luto@kernel.org>,
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Subject: Re: [PATCH v4 00/75] x86: SEV-ES Guest Support
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On Wed, Jul 15, 2020 at 11:55:56AM +0200, Peter Zijlstra wrote:
> And recursive #VC was instant death, right? Because there's no way to
> avoid IST stack corruption in that case.

Right, a #VC exception while still on the IST stack must instantly kill
the VM. That needs an additional check which is not implemented yet, as
it only becomes necessary with SNP.

Regards,

	Joerg