linux-kernel - Re: [PATCHv8 00/17, CORRECTED] x86/tdx: Add kexec support

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Message-ID: <4iospuc5oxs7vbgm3driasjeyixvgz6yrmym3kzguzngngo7zm@c6ymrw52fn5v>
Date: Wed, 6 Mar 2024 17:02:45 +0200
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
	Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, 
	Peter Zijlstra <peterz@...radead.org>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>, Elena Reshetova <elena.reshetova@...el.com>, 
	Jun Nakajima <jun.nakajima@...el.com>, Rick Edgecombe <rick.p.edgecombe@...el.com>, 
	Tom Lendacky <thomas.lendacky@....com>, "Kalra, Ashish" <ashish.kalra@....com>, 
	Sean Christopherson <seanjc@...gle.com>, "Huang, Kai" <kai.huang@...el.com>, Baoquan He <bhe@...hat.com>, 
	kexec@...ts.infradead.org, linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv8 00/17, CORRECTED] x86/tdx: Add kexec support

On Tue, Feb 27, 2024 at 11:24:35PM +0200, 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.

Thomas, Ingo, Borislav, Dave,

Any feedback?

Is there anything else I can do to get the patchset moving?

-- 
  Kiryl Shutsemau / Kirill A. Shutemov