[PATCH 4/7] ARM: time: Make use of arm_get_current_stackframe

Nikolay Borisov Nikolay.Borisov at arm.com
Tue May 13 02:46:55 PDT 2014


Make use of the arm_get_current_stackframe api so that
the frame pointer is correctly referenced in THUMB2 mode

Signed-off-by: Nikolay Borisov <Nikolay.Borisov at arm.com>
---
 arch/arm/kernel/time.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index 829a96d..0cc7e58 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -50,10 +50,7 @@ unsigned long profile_pc(struct pt_regs *regs)
 	if (!in_lock_functions(regs->ARM_pc))
 		return regs->ARM_pc;
 
-	frame.fp = regs->ARM_fp;
-	frame.sp = regs->ARM_sp;
-	frame.lr = regs->ARM_lr;
-	frame.pc = regs->ARM_pc;
+	arm_get_current_stackframe(regs, &frame);
 	do {
 		int ret = unwind_frame(&frame);
 		if (ret < 0)
-- 
1.8.1.5





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