From: Nikolay.Borisov@arm.com (Nikolay Borisov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RESEND 3/7] ARM: perf: Make perf use arm_get_current_stackframe
Date: Fri, 23 May 2014 10:26:32 +0100 [thread overview]
Message-ID: <1400837196-22339-4-git-send-email-Nikolay.Borisov@arm.com> (raw)
In-Reply-To: <1400837196-22339-1-git-send-email-Nikolay.Borisov@arm.com>
Make the perf backend use the API so that it correctly references the FP
when in THUMB2 mode
Signed-off-by: Nikolay Borisov <Nikolay.Borisov@arm.com>
---
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
next prev parent reply other threads:[~2014-05-23 9:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-23 9:26 [PATCH RESEND 0/7] Fix backtrace support in THUMB2 mode Nikolay Borisov
2014-05-23 9:26 ` [PATCH RESEND 1/7] ARM: Make thread_save_fp macro aware of " Nikolay Borisov
2014-05-23 9:53 ` Uwe Kleine-König
2014-05-23 11:53 ` Nikolay Borisov
2014-05-23 9:26 ` [PATCH RESEND 2/7] ARM: Introduce arm_get_current_stack_frame() Nikolay Borisov
2014-05-23 12:11 ` Robert Richter
2014-05-23 9:26 ` Nikolay Borisov [this message]
2014-05-23 9:26 ` [PATCH RESEND 4/7] ARM: time: Make use of arm_get_current_stackframe Nikolay Borisov
2014-05-23 9:26 ` [PATCH RESEND 5/7] ARM: unwind: Use arm_get_current_stackframe Nikolay Borisov
2014-05-23 9:26 ` [PATCH RESEND 6/7] ARM: traps: Make use of the frame_pointer macro Nikolay Borisov
2014-05-23 9:26 ` [PATCH RESEND 7/7] ARM: oprofile: Use of arm_get_current_stackframe Nikolay Borisov
2014-05-23 16:55 ` [PATCH RESEND 0/7] Fix backtrace support in THUMB2 mode Will Deacon
2014-06-17 14:49 ` Russell King - ARM Linux
2014-06-17 15:12 ` Nikolay Borisov
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