diff --git a/scripts/arm32_sysreg.py b/scripts/arm32_sysreg.py
index bcdd942..4b6f9cf 100755
--- a/scripts/arm32_sysreg.py
+++ b/scripts/arm32_sysreg.py
@@ -125,7 +125,7 @@
     print('')
     if len(descr):
         print('/* ' + descr + ' */')
-    print('static inline void write_' + reg_name.lower() + '(void)')
+    print('static inline __noprof void write_' + reg_name.lower() + '(void)')
     print('{')
     print('\t/* Register ignored */')
     print('\tasm volatile ("mcr p15, ' + opc1 + ', r0, ' + crn + ', ' +
diff --git a/scripts/symbolize.py b/scripts/symbolize.py
index 5928932..631ae6e 100755
--- a/scripts/symbolize.py
+++ b/scripts/symbolize.py
@@ -177,7 +177,11 @@
                     elf_idx = r[2]
                     if elf_idx is not None:
                         return self._elfs[int(elf_idx)][1]
-            return None
+            # In case address is not found in TA ELF file, fallback to tee.elf
+            # especially to symbolize mixed (user-space and kernel) addresses
+            # which is true when syscall ftrace is enabled along with TA
+            # ftrace.
+            return '0x0'
         else:
             # tee.elf
             return '0x0'