This event should only trigger once. It should be idempotent, but the
allocation of the memory map itself is observable and can cause
ExitBootServices to fail with a modified map key.

Cc: Ard Biesheuvel <[email protected]>
Cc: Thomas Lendacky <[email protected]>
Cc: Erdem Aktas <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Jiewen Yao <[email protected]>
Cc: Min Xu <[email protected]>
Cc: Michael Roth <[email protected]>

Signed-off-by: Dionna Glaze <[email protected]>
---
 OvmfPkg/AmdSevDxe/AmdSevDxe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/OvmfPkg/AmdSevDxe/AmdSevDxe.c b/OvmfPkg/AmdSevDxe/AmdSevDxe.c
index 6391d1f775..f9baca90bd 100644
--- a/OvmfPkg/AmdSevDxe/AmdSevDxe.c
+++ b/OvmfPkg/AmdSevDxe/AmdSevDxe.c
@@ -124,6 +124,7 @@ AcceptAllMemory (
   }
 
   gBS->FreePool (AllDescMap);
+  gBS->CloseEvent (mAcceptAllMemoryEvent);
   return Status;
 }
 
-- 
2.39.1.637.g21b0678d19-goog



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