Re: [PATCH 1/3] kexec: Do not map the kexec area as decrypted when SEV is active
From: Boris Petkov
Date: Tue Mar 26 2019 - 06:06:26 EST
On March 25, 2019 8:59:28 PM GMT+01:00, "Lendacky, Thomas" <Thomas.Lendacky@xxxxxxx> wrote:
>Maybe what would help is to describe why there is a difference between
>SME
>and SEV in regards to kexec. During a traditional boot under SME, SME
>will
>encrypt the kernel, so the SME kexec kernel also needs to be
>un-encrypted
>in order to replicate a normal SME boot. During a traditional boot
>under
>SEV, the kernel has already been loaded encrypted, so the SEV kexec
>kernel
>needs to be encrypted in order to replicate a normal SEV boot.
Yah, that should be in a comment above that function.
Thx.
--
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