From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikolay.Borisov@arm.com (Nikolay Borisov) Date: Tue, 13 May 2014 10:46:54 +0100 Subject: [PATCH 3/7] ARM: perf: Make perf use arm_get_current_stackframe In-Reply-To: <1399974418-4995-1-git-send-email-Nikolay.Borisov@arm.com> References: <1399974418-4995-1-git-send-email-Nikolay.Borisov@arm.com> Message-ID: <1399974418-4995-4-git-send-email-Nikolay.Borisov@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Make the perf backend use the API so that it correctly references the FP when in THUMB2 mode Signed-off-by: Nikolay Borisov --- 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 a6bc431..55353fd 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); } -- 1.8.1.5