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| author | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | 2014-04-09 23:06:08 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-04-10 02:02:55 +0200 |
| commit | abb43f6998eb6466ea392d3757e673bbdb6ae171 (patch) | |
| tree | 068d361c31e1d9e7668c19dbe6324523eac718f9 | |
| parent | tracepoint: Fix sparse warnings in tracepoint.c (diff) | |
| download | linux-abb43f6998eb6466ea392d3757e673bbdb6ae171.tar.xz linux-abb43f6998eb6466ea392d3757e673bbdb6ae171.zip | |
tracing: Fix anonymous unions in struct ftrace_event_call
gcc <= 4.5.x has significant limitations with respect to initialization
of anonymous unions within structures. They need to be surrounded by
brackets, _and_ they need to be initialized in the same order in which
they appear in the structure declaration.
Link: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676
Link: http://lkml.kernel.org/r/1397077568-3156-1-git-send-email-mathieu.desnoyers@efficios.com
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | include/linux/syscalls.h | 8 | ||||
| -rw-r--r-- | include/trace/ftrace.h | 12 | ||||
| -rw-r--r-- | kernel/trace/trace_export.c | 6 |
3 files changed, 19 insertions, 7 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 1e67b7a5968c..af94c98087c4 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -119,8 +119,10 @@ extern struct trace_event_functions exit_syscall_print_funcs; static struct syscall_metadata __syscall_meta_##sname; \ static struct ftrace_event_call __used \ event_enter_##sname = { \ - .name = "sys_enter"#sname, \ .class = &event_class_syscall_enter, \ + { \ + .name = "sys_enter"#sname, \ + }, \ .event.funcs = &enter_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ .flags = TRACE_EVENT_FL_CAP_ANY, \ @@ -133,8 +135,10 @@ extern struct trace_event_functions exit_syscall_print_funcs; static struct syscall_metadata __syscall_meta_##sname; \ static struct ftrace_event_call __used \ event_exit_##sname = { \ - .name = "sys_exit"#sname, \ .class = &event_class_syscall_exit, \ + { \ + .name = "sys_exit"#sname, \ + }, \ .event.funcs = &exit_syscall_print_funcs, \ .data = (void *)&__syscall_meta_##sname,\ .flags = TRACE_EVENT_FL_CAP_ANY, \ diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 9c44c11cd9bb..0a1a4f7caf09 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -470,8 +470,10 @@ static inline notrace int ftrace_get_offsets_##call( \ * }; * * static struct ftrace_event_call event_<call> = { - * .tp = &__tracepoint_<call>, * .class = event_class_<template>, + * { + * .tp = &__tracepoint_<call>, + * }, * .event = &ftrace_event_type_<call>, * .print_fmt = print_fmt_<call>, * .flags = TRACE_EVENT_FL_TRACEPOINT, @@ -606,8 +608,10 @@ static struct ftrace_event_class __used __refdata event_class_##call = { \ #define DEFINE_EVENT(template, call, proto, args) \ \ static struct ftrace_event_call __used event_##call = { \ - .tp = &__tracepoint_##call, \ .class = &event_class_##template, \ + { \ + .tp = &__tracepoint_##call, \ + }, \ .event.funcs = &ftrace_event_type_funcs_##template, \ .print_fmt = print_fmt_##template, \ .flags = TRACE_EVENT_FL_TRACEPOINT, \ @@ -621,8 +625,10 @@ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call static const char print_fmt_##call[] = print; \ \ static struct ftrace_event_call __used event_##call = { \ - .tp = &__tracepoint_##call, \ .class = &event_class_##template, \ + { \ + .tp = &__tracepoint_##call, \ + }, \ .event.funcs = &ftrace_event_type_funcs_##call, \ .print_fmt = print_fmt_##call, \ .flags = TRACE_EVENT_FL_TRACEPOINT, \ diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c index ee0a5098ac43..d4ddde28a81a 100644 --- a/kernel/trace/trace_export.c +++ b/kernel/trace/trace_export.c @@ -173,9 +173,11 @@ struct ftrace_event_class __refdata event_class_ftrace_##call = { \ }; \ \ struct ftrace_event_call __used event_##call = { \ - .name = #call, \ - .event.type = etype, \ .class = &event_class_ftrace_##call, \ + { \ + .name = #call, \ + }, \ + .event.type = etype, \ .print_fmt = print, \ .flags = TRACE_EVENT_FL_IGNORE_ENABLE | TRACE_EVENT_FL_USE_CALL_FILTER, \ }; \ |