diff options
Diffstat (limited to 'include/trace/ftrace.h')
| -rw-r--r-- | include/trace/ftrace.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 4866c109fa9..e0e8daa6767 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -695,13 +695,15 @@ perf_trace_##call(void *__data, proto) \ struct ftrace_event_call *event_call = __data; \ struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\ struct ftrace_raw_##call *entry; \ + struct pt_regs *__regs = &get_cpu_var(perf_trace_regs); \ u64 __addr = 0, __count = 1; \ unsigned long irq_flags; \ - struct pt_regs *__regs; \ int __entry_size; \ int __data_size; \ int rctx; \ \ + perf_fetch_caller_regs(__regs, 1); \ + \ __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \ __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\ sizeof(u64)); \ @@ -709,20 +711,19 @@ perf_trace_##call(void *__data, proto) \ \ if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE, \ "profile buffer not large enough")) \ - return; \ + goto out; \ entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare( \ __entry_size, event_call->event.type, &rctx, &irq_flags); \ if (!entry) \ - return; \ + goto out; \ tstruct \ \ { assign; } \ \ - __regs = &__get_cpu_var(perf_trace_regs); \ - perf_fetch_caller_regs(__regs, 2); \ - \ perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \ __count, irq_flags, __regs); \ + out: \ + put_cpu_var(perf_trace_regs); \ } /* |