ARM: place C irq handlers in IRQ_ENTRY for ftrace
When FUNCTION_GRAPH_TRACER is enabled, place do_IRQ() and friends in the
IRQ_ENTRY section so that the irq-related features of the function graph
tracer work.
Signed-off-by: Rabin Vincent <rabin@rab.in>
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 36ad3be..6d61633 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -35,6 +35,7 @@
#include <linux/list.h>
#include <linux/kallsyms.h>
#include <linux/proc_fs.h>
+#include <linux/ftrace.h>
#include <asm/system.h>
#include <asm/mach/irq.h>
@@ -105,7 +106,8 @@
* come via this function. Instead, they should provide their
* own 'handler'
*/
-asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
+asmlinkage void __exception_irq_entry
+asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);