summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/arm64/include/asm/exception.h6
-rw-r--r--arch/arm64/include/asm/traps.h23
2 files changed, 27 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h
index 0303705fcad6..6cb7e1a6bc02 100644
--- a/arch/arm64/include/asm/exception.h
+++ b/arch/arm64/include/asm/exception.h
@@ -18,7 +18,13 @@
#ifndef __ASM_EXCEPTION_H
#define __ASM_EXCEPTION_H
+#include <linux/ftrace.h>
+
#define __exception __attribute__((section(".exception.text")))
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#define __exception_irq_entry __irq_entry
+#else
#define __exception_irq_entry __exception
+#endif
#endif /* __ASM_EXCEPTION_H */
diff --git a/arch/arm64/include/asm/traps.h b/arch/arm64/include/asm/traps.h
index 232e4ba5d314..0cc2f29bf9da 100644
--- a/arch/arm64/include/asm/traps.h
+++ b/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