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

["Dov Murik" <dovmurik@linux.ibm.com>]

On 04/01/2022 11:00, Yao, Jiewen wrote:
> Merged: https://github.com/tianocore/edk2/commit/079a58276b98dc97ca363e3bc8b35cc7baa56d76
> 

Thanks!
-Dov


>> -----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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