ARM: 8075/1: oprofile: Use of arm_get_current_stackframe

Use the newly introduced API so that FP is correctly referenced from
either R7/R11 based on whether we are running in THUMB2 mode or not.

Signed-off-by: Nikolay Borisov <Nikolay.Borisov@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Robert Richter <rric@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 99c63d4..e6a3c4c 100644 (file)
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -107,10 +107,7 @@ static void arm_backtrace(struct pt_regs * const regs, unsigned int depth)
 
        if (!user_mode(regs)) {
                struct stackframe frame;
-               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);
                walk_stackframe(&frame, report_trace, &depth);
                return;
        }