1 files changed, 12 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 4ee06fe15de4..d0e784e0ff48 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -8,6 +8,7 @@
 
 #ifdef __powerpc64__
 
+extern char __start_interrupts[];
 extern char __end_interrupts[];
 
 extern char __prom_init_toc_start[];
@@ -21,6 +22,17 @@ static inline int in_kernel_text(unsigned long addr)
         return 0;
 }
 
+static inline int overlaps_interrupt_vector_text(unsigned long start,
+                                                        unsigned long end)
+{
+        unsigned long real_start, real_end;
+        real_start = __start_interrupts - _stext;
+        real_end = __end_interrupts - _stext;
+
+        return start < (unsigned long)__va(real_end) &&
+                (unsigned long)__va(real_start) < end;
+}
+
 static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
 {
         return start < (unsigned long)__init_end &&