From 6888e32a9e0b284c4dcdefcc3158949110699bc2 Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Tue, 3 Jun 2014 19:48:43 +0100 Subject: [PATCH] ARM: 8071/1: perf: Make perf use arm_get_current_stackframe Make the perf backend use the API so that it correctly references the FP when in THUMB2 mode Signed-off-by: Nikolay Borisov Acked-by: Will Deacon Signed-off-by: Russell King --- arch/arm/kernel/perf_event.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 4238bcba9d60..ae3e216a52c2 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -621,10 +621,7 @@ perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs) return; } - fr.fp = regs->ARM_fp; - fr.sp = regs->ARM_sp; - fr.lr = regs->ARM_lr; - fr.pc = regs->ARM_pc; + arm_get_current_stackframe(regs, &fr); walk_stackframe(&fr, callchain_trace, entry); } -- 2.20.1