Re: [PATCH] OvmfPkg/AmdSev/SecretPei: Mark SEV launch secret area as reserved

["Brijesh Singh" <brijesh.singh@amd.com>]

On 11/18/21 5:31 AM, Dov Murik wrote:
> Mark the SEV launch secret MEMFD area as reserved, which will allow the
> guest OS to use it during the lifetime of the OS, without creating
> copies of the sensitive content.
> 
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Brijesh Singh <brijesh.singh@amd.com>
> Cc: Erdem Aktas <erdemaktas@google.com>
> Cc: James Bottomley <jejb@linux.ibm.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Min Xu <min.m.xu@intel.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Cc: Tobin Feldman-Fitzthum <tobin@linux.ibm.com>
> Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
> ---
>   OvmfPkg/AmdSev/SecretPei/SecretPei.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/OvmfPkg/AmdSev/SecretPei/SecretPei.c b/OvmfPkg/AmdSev/SecretPei/SecretPei.c
> index db94c26b54d1..6bf1a55dea64 100644
> --- a/OvmfPkg/AmdSev/SecretPei/SecretPei.c
> +++ b/OvmfPkg/AmdSev/SecretPei/SecretPei.c
> @@ -19,7 +19,7 @@ InitializeSecretPei (
>     BuildMemoryAllocationHob (
>       PcdGet32 (PcdSevLaunchSecretBase),
>       ALIGN_VALUE (PcdGet32 (PcdSevLaunchSecretSize), EFI_PAGE_SIZE),
> -    EfiBootServicesData
> +    EfiReservedMemoryType
>       );
>   
>     return EFI_SUCCESS;
> 


Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>

thanks