[PATCHv6 00/16] x86/tdx: Add kexec support

Paolo Bonzini pbonzini at redhat.com
Tue Jan 30 05:43:15 PST 2024


On 1/24/24 13:55, Kirill A. Shutemov wrote:
> The patchset adds bits and pieces to get kexec (and crashkernel) work on
> TDX guest.
> 
> The last patch implements CPU offlining according to the approved ACPI
> spec change poposal[1]. It unlocks kexec with all CPUs visible in the target
> kernel. It requires BIOS-side enabling. If it missing we fallback to booting
> 2nd kernel with single CPU.
> 
> Please review. I would be glad for any feedback.

Hi Kirill,

I have a very basic question: is there a reason why this series does not 
revert commit cb8eb06d50fc, "x86/virt/tdx: Disable TDX host support when 
kexec is enabled"?

Thanks,

Paolo




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