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* [PATCH RESEND] OvmfPkg/AmdSev/SecretPei: Mark SEV launch secret area as reserved
@ 2022-01-04  7:16 Dov Murik
  2022-01-04  9:00 ` [edk2-devel] " Yao, Jiewen
  0 siblings, 1 reply; 3+ messages in thread
From: Dov Murik @ 2022-01-04  7:16 UTC (permalink / raw)
  To: devel
  Cc: Dov Murik, Ard Biesheuvel, Jordan Justen, Gerd Hoffmann,
	Brijesh Singh, Erdem Aktas, James Bottomley, Jiewen Yao, Min Xu,
	Tom Lendacky, Tobin Feldman-Fitzthum, Jiewen Yao

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


^ permalink raw reply related	[flat|nested] 3+ messages in thread

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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2022-01-04  7:16 [PATCH RESEND] OvmfPkg/AmdSev/SecretPei: Mark SEV launch secret area as reserved Dov Murik
2022-01-04  9:00 ` [edk2-devel] " Yao, Jiewen
2022-01-04  9:15   ` Dov Murik

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