+ ## Specifies timeout value in microseconds for the BSP in SMM to wait for all APs to come into SMM.\r
+ # @Prompt AP synchronization timeout value in SMM.\r
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmApSyncTimeout|1000000|UINT64|0x32132104\r
+\r
+ ## Indicates the CPU synchronization method used when processing an SMI.\r
+ # 0x00 - Traditional CPU synchronization method.<BR>\r
+ # 0x01 - Relaxed CPU synchronization method.<BR>\r
+ # @Prompt SMM CPU Synchronization Method.\r
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmSyncMode|0x00|UINT8|0x60000014\r
+\r