Re: [PATCH 0/2] Kexec enabling in TDX guest

[Dave Hansen]

On 2/24/23 06:30, Kirill A. Shutemov wrote:
> Ideally, it has to be addressed on BIOS level: it has to provide a way to
> offline CPUs, putting it back to pre-wakeup state.

Is there anything stopping us from just parking the CPUs in a loop
looking at 'acpi_mp_wake_mailbox_paddr'?  Basically park them in a way
which is indistinguishable from what the BIOS did.