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Message-ID: <a1d80cce-28d1-48e8-bc38-8960d8c90774@amd.com>
Date: Fri, 26 Apr 2024 09:47:02 -0500
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Subject: Re: [PATCH v5 1/3] efi/x86: skip efi_arch_mem_reserve() in case of
 kexec.
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To: Borislav Petkov <bp@alien8.de>
Cc: tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com,
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References: <cover.1712694667.git.ashish.kalra@amd.com>
 <cover.1713222642.git.ashish.kalra@amd.com>
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From: "Kalra, Ashish" <ashish.kalra@amd.com>
In-Reply-To: <20240426142119.GEZiu4X8VPK5He4zH1@fat_crate.local>
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On 4/26/2024 9:21 AM, Borislav Petkov wrote:

> On Wed, Apr 24, 2024 at 04:17:09PM -0500, Kalra, Ashish wrote:
>> With SNP guest kexec and during nested guest kexec, observe the following
>> efi memmap corruption :
> Before we delve any deeper here, lemme make sure I understand this
> correctly:
>
> * You're in a SNP guest and you're kexec-ing into a new kernel?

Yes this is the case, where i am in a SNP guest and kexec-ing into a new 
kernel.

I should have mentioned *chained* guest kexec above instead of nested 
guest kexec.

Thanks, Ashish