linux-kernel - Re: [PATCH v5 1/3] efi/x86: skip efi_arch_mem

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Message-ID: <debd333e-6897-476a-97fc-02246e97a24c@amd.com>
Date: Fri, 26 Apr 2024 10:28:41 -0500
From: "Kalra, Ashish" <ashish.kalra@....com>
To: Borislav Petkov <bp@...en8.de>
Cc: tglx@...utronix.de, mingo@...hat.com, dave.hansen@...ux.intel.com,
 x86@...nel.org, rafael@...nel.org, peterz@...radead.org,
 adrian.hunter@...el.com, sathyanarayanan.kuppuswamy@...ux.intel.com,
 jun.nakajima@...el.com, rick.p.edgecombe@...el.com, thomas.lendacky@....com,
 michael.roth@....com, seanjc@...gle.com, kai.huang@...el.com,
 bhe@...hat.com, kirill.shutemov@...ux.intel.com, bdas@...hat.com,
 vkuznets@...hat.com, dionnaglaze@...gle.com, anisinha@...hat.com,
 jroedel@...e.de, ardb@...nel.org, kexec@...ts.infradead.org,
 linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/3] efi/x86: skip efi_arch_mem_reserve() in case of
 kexec.

On 4/26/2024 10:22 AM, Borislav Petkov wrote:

> On Fri, Apr 26, 2024 at 09:47:02AM -0500, Kalra, Ashish wrote:
>> I should have mentioned *chained* guest kexec above instead of nested guest
>> kexec.
> What is a "chained guest kexec" now?

"Chained guest kexec" is when we are in a guest and kexec-ing into a new 
kernel and then this kernel kexecs into another and so on ...

Thanks, Ashish