These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / arm64 / include / asm / traps.h

diff --git a/kernel/arch/arm64/include/asm/traps.h b/kernel/arch/arm64/include/asm/traps.h
index 232e4ba..0cc2f29 100644 (file)
--- a/kernel/arch/arm64/include/asm/traps.h
+++ b/kernel/arch/arm64/include/asm/traps.h
@@ -34,13 +34,32 @@ struct undef_hook {
 void register_undef_hook(struct undef_hook *hook);
 void unregister_undef_hook(struct undef_hook *hook);
 
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+static inline int __in_irqentry_text(unsigned long ptr)
+{
+       extern char __irqentry_text_start[];
+       extern char __irqentry_text_end[];
+
+       return ptr >= (unsigned long)&__irqentry_text_start &&
+              ptr < (unsigned long)&__irqentry_text_end;
+}
+#else
+static inline int __in_irqentry_text(unsigned long ptr)
+{
+       return 0;
+}
+#endif
+
 static inline int in_exception_text(unsigned long ptr)
 {
        extern char __exception_text_start[];
        extern char __exception_text_end[];
+       int in;
+
+       in = ptr >= (unsigned long)&__exception_text_start &&
+            ptr < (unsigned long)&__exception_text_end;
 
-       return ptr >= (unsigned long)&__exception_text_start &&
-              ptr < (unsigned long)&__exception_text_end;
+       return in ? : __in_irqentry_text(ptr);
 }
 
 #endif