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if PcdDxeNxMemoryProtectionPolicy is enabled for EfiReservedMemoryType of memory, #PF will be triggered for each APs after ExitBootServices in SCRT test. The root cause is that AP wakeup code executed at that time is stored in memory of type EfiReservedMemoryType (referenced by global mReservedApLoopFunc), which is marked as non-executable. This patch fixes this issue by setting memory of mReservedApLoopFunc to be executable immediately after allocation. Cc: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jian J Wang <jian.j.wang@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>