diff options
Diffstat (limited to 'arch/arm/kernel/perf_callchain.c')
| -rw-r--r-- | arch/arm/kernel/perf_callchain.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/arch/arm/kernel/perf_callchain.c b/arch/arm/kernel/perf_callchain.c index bc6b246ab55e..a2601b1ef318 100644 --- a/arch/arm/kernel/perf_callchain.c +++ b/arch/arm/kernel/perf_callchain.c @@ -81,13 +81,11 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs * whist unwinding the stackframe and is like a subroutine return so we use * the PC. */ -static int -callchain_trace(struct stackframe *fr, - void *data) +static bool +callchain_trace(void *data, unsigned long pc) { struct perf_callchain_entry_ctx *entry = data; - perf_callchain_store(entry, fr->pc); - return 0; + return perf_callchain_store(entry, pc) == 0; } void @@ -98,20 +96,3 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re arm_get_current_stackframe(regs, &fr); walk_stackframe(&fr, callchain_trace, entry); } - -unsigned long perf_instruction_pointer(struct pt_regs *regs) -{ - return instruction_pointer(regs); -} - -unsigned long perf_misc_flags(struct pt_regs *regs) -{ - int misc = 0; - - if (user_mode(regs)) - misc |= PERF_RECORD_MISC_USER; - else - misc |= PERF_RECORD_MISC_KERNEL; - - return misc; -} |