Re: [PATCH v5 1/3] efi/x86: skip efi_arch_mem_reserve() in case of kexec.

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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


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