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| author | Nikolay Borisov <Nikolay.Borisov@arm.com> | 2014-06-03 20:48:43 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-07-18 13:29:12 +0200 |
| commit | 6888e32a9e0b284c4dcdefcc3158949110699bc2 (patch) | |
| tree | 62cb52821952d64da2758f040004409f435c8102 /arch/arm/kernel/perf_event.c | |
| parent | ARM: 8070/1: Introduce arm_get_current_stack_frame() (diff) | |
| download | linux-6888e32a9e0b284c4dcdefcc3158949110699bc2.tar.xz linux-6888e32a9e0b284c4dcdefcc3158949110699bc2.zip | |
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 <Nikolay.Borisov@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/perf_event.c')
| -rw-r--r-- | arch/arm/kernel/perf_event.c | 5 |
1 files changed, 1 insertions, 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); } |