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Date: Thu, 31 Jul 2014 16:47:59 -0700
From: Josh Triplett <josh@...htriplett.org>
To: akpm@...ux-foundation.org,
"J. Bruce Fields" <bfields@...ldses.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
Christopher Li <sparse@...isli.org>,
Ingo Molnar <mingo@...hat.com>,
Jeff Layton <jlayton@...chiereds.net>,
Michal Marek <mmarek@...e.cz>, Neil Brown <neilb@...e.de>,
Steven Rostedt <rostedt@...dmis.org>,
linux-api@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-raid@...r.kernel.org, linux-sparse@...r.kernel.org
Subject: [PATCH 4/5] ftrace: Require designated initialization of structures
Mark various ftrace structures with __designated_init. Fix some ftrace
macros to use designated initializers for those structures.
Signed-off-by: Josh Triplett <josh@...htriplett.org>
---
include/linux/ftrace.h | 4 ++--
include/linux/ftrace_event.h | 4 ++--
include/linux/syscalls.h | 8 ++------
include/trace/ftrace.h | 8 ++------
kernel/trace/trace_export.c | 4 +---
5 files changed, 9 insertions(+), 19 deletions(-)
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 404a686..cb2d023 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -260,7 +260,7 @@ struct ftrace_func_command {
int (*func)(struct ftrace_hash *hash,
char *func, char *cmd,
char *params, int enable);
-};
+} __designated_init;
#ifdef CONFIG_DYNAMIC_FTRACE
@@ -283,7 +283,7 @@ struct ftrace_probe_ops {
unsigned long ip,
struct ftrace_probe_ops *ops,
void *data);
-};
+} __designated_init;
extern int
register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index cff3106..25af313 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -198,7 +198,7 @@ struct ftrace_event_class {
struct list_head *(*get_fields)(struct ftrace_event_call *);
struct list_head fields;
int (*raw_init)(struct ftrace_event_call *);
-};
+} __designated_init;
extern int ftrace_event_reg(struct ftrace_event_call *event,
enum trace_reg type, void *data);
@@ -293,7 +293,7 @@ struct ftrace_event_call {
int (*perf_perm)(struct ftrace_event_call *,
struct perf_event *);
#endif
-};
+} __designated_init;
static inline const char *
ftrace_event_name(struct ftrace_event_call *call)
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index b0881a0..3002648 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -120,9 +120,7 @@ extern struct trace_event_functions exit_syscall_print_funcs;
static struct ftrace_event_call __used \
event_enter_##sname = { \
.class = &event_class_syscall_enter, \
- { \
- .name = "sys_enter"#sname, \
- }, \
+ .name = "sys_enter"#sname, \
.event.funcs = &enter_syscall_print_funcs, \
.data = (void *)&__syscall_meta_##sname,\
.flags = TRACE_EVENT_FL_CAP_ANY, \
@@ -136,9 +134,7 @@ extern struct trace_event_functions exit_syscall_print_funcs;
static struct ftrace_event_call __used \
event_exit_##sname = { \
.class = &event_class_syscall_exit, \
- { \
- .name = "sys_exit"#sname, \
- }, \
+ .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 26b4f2e..095aaca 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -699,9 +699,7 @@ static struct ftrace_event_class __used __refdata event_class_##call = { \
\
static struct ftrace_event_call __used event_##call = { \
.class = &event_class_##template, \
- { \
- .tp = &__tracepoint_##call, \
- }, \
+ .tp = &__tracepoint_##call, \
.event.funcs = &ftrace_event_type_funcs_##template, \
.print_fmt = print_fmt_##template, \
.flags = TRACE_EVENT_FL_TRACEPOINT, \
@@ -716,9 +714,7 @@ static const char print_fmt_##call[] = print; \
\
static struct ftrace_event_call __used event_##call = { \
.class = &event_class_##template, \
- { \
- .tp = &__tracepoint_##call, \
- }, \
+ .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 d4ddde2..40f472f 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -174,9 +174,7 @@ struct ftrace_event_class __refdata event_class_ftrace_##call = { \
\
struct ftrace_event_call __used event_##call = { \
.class = &event_class_ftrace_##call, \
- { \
- .name = #call, \
- }, \
+ .name = #call, \
.event.type = etype, \
.print_fmt = print, \
.flags = TRACE_EVENT_FL_IGNORE_ENABLE | TRACE_EVENT_FL_USE_CALL_FILTER, \
--
2.0.1
--
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