Re: [edk2-devel] [PATCH RESEND] OvmfPkg/AmdSev/SecretPei: Mark SEV launch secret area as reserved

["Yao, Jiewen" <jiewen.yao@intel.com>]

Merged: https://github.com/tianocore/edk2/commit/079a58276b98dc97ca363e3bc8b35cc7baa56d76

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Dov Murik
> Sent: Tuesday, January 4, 2022 3:17 PM
> To: devel@edk2.groups.io
> Cc: Dov Murik <dovmurik@linux.ibm.com>; Ard Biesheuvel
> <ardb+tianocore@kernel.org>; Justen, Jordan L <jordan.l.justen@intel.com>;
> Gerd Hoffmann <kraxel@redhat.com>; Brijesh Singh <brijesh.singh@amd.com>;
> Aktas, Erdem <erdemaktas@google.com>; James Bottomley
> <jejb@linux.ibm.com>; Yao, Jiewen <jiewen.yao@intel.com>; Xu, Min M
> <min.m.xu@intel.com>; Tom Lendacky <thomas.lendacky@amd.com>; Tobin
> Feldman-Fitzthum <tobin@linux.ibm.com>; Yao, Jiewen <jiewen.yao@intel.com>
> Subject: [edk2-devel] [PATCH RESEND] OvmfPkg/AmdSev/SecretPei: Mark SEV
> launch secret area as reserved
> 
> 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>
> Acked-by: Gerd Hoffmann <kraxel@redhat.com>
> Acked-by: Jiewen Yao <Jiewen.Yao@intel.com>
> Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
> 
> ---
> 
> Resending with Acked-by and Reviewed-by tags.
> Please let me know if there's anything else missing.
> Thanks,
> -Dov
> 
> ---
>  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;
> 
> --
> 2.25.1
> 
> 
> 
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