On 30.01.24 г. 15:43 ч., Paolo Bonzini wrote:
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"?
While on the topic, Paolo do you think it's better to have a runtime
disable of kexec rather than at compile time:
[RFC PATCH] x86/virt/tdx: Disable KEXEC in the presence of TDX
20240118160118.1899299-1-nik.borisov@xxxxxxxx
I'm trying to get traction for this patch.
Thanks,
Paolo
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