linux-perf-users.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] perf parse-events: Avoid enum forward declaration.
@ 2021-09-15 21:14 Ian Rogers
  2021-09-15 21:21 ` Arnaldo Carvalho de Melo
  0 siblings, 1 reply; 2+ messages in thread
From: Ian Rogers @ 2021-09-15 21:14 UTC (permalink / raw)
  To: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo,
	Mark Rutland, Alexander Shishkin, Jiri Olsa, Namhyung Kim,
	linux-perf-users, linux-kernel
  Cc: Nathan Chancellor, Nick Desaulniers, Ian Rogers

Enum forward declarations aren't allowed as the size can't be implied.
Switch to just using an int. This fixes a clang warning:

In file included from tools/perf/bench/evlist-open-close.c:13:
tools/perf/bench/../util/parse-events.h:185:6: error: redeclaration of already-defined enum 'perf_tool_event' is a GNU extension [-Werror,-Wgnu-redeclared-enum]
enum perf_tool_event;
     ^
tools/perf/bench/../util/evsel.h:28:6: note: previous definition is here
enum perf_tool_event {
     ^

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/parse-events.c | 2 +-
 tools/perf/util/parse-events.h | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 51a2219df601..5d1346aa0627 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1471,7 +1471,7 @@ int parse_events_add_numeric(struct parse_events_state *parse_state,
 
 int parse_events_add_tool(struct parse_events_state *parse_state,
 			  struct list_head *list,
-			  enum perf_tool_event tool_event)
+			  int tool_event)
 {
 	return add_event_tool(list, &parse_state->idx, tool_event);
 }
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index bf6e41aa9b6a..b32ed3064c49 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -182,10 +182,9 @@ int parse_events_add_numeric(struct parse_events_state *parse_state,
 			     struct list_head *list,
 			     u32 type, u64 config,
 			     struct list_head *head_config);
-enum perf_tool_event;
 int parse_events_add_tool(struct parse_events_state *parse_state,
 			  struct list_head *list,
-			  enum perf_tool_event tool_event);
+			  int tool_event);
 int parse_events_add_cache(struct list_head *list, int *idx,
 			   char *type, char *op_result1, char *op_result2,
 			   struct parse_events_error *error,
-- 
2.33.0.309.g3052b89438-goog


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] perf parse-events: Avoid enum forward declaration.
  2021-09-15 21:14 [PATCH] perf parse-events: Avoid enum forward declaration Ian Rogers
@ 2021-09-15 21:21 ` Arnaldo Carvalho de Melo
  0 siblings, 0 replies; 2+ messages in thread
From: Arnaldo Carvalho de Melo @ 2021-09-15 21:21 UTC (permalink / raw)
  To: Ian Rogers
  Cc: Peter Zijlstra, Ingo Molnar, Mark Rutland, Alexander Shishkin,
	Jiri Olsa, Namhyung Kim, linux-perf-users, linux-kernel,
	Nathan Chancellor, Nick Desaulniers

Em Wed, Sep 15, 2021 at 02:14:28PM -0700, Ian Rogers escreveu:
> Enum forward declarations aren't allowed as the size can't be implied.
> Switch to just using an int. This fixes a clang warning:
> 
> In file included from tools/perf/bench/evlist-open-close.c:13:
> tools/perf/bench/../util/parse-events.h:185:6: error: redeclaration of already-defined enum 'perf_tool_event' is a GNU extension [-Werror,-Wgnu-redeclared-enum]
> enum perf_tool_event;
>      ^
> tools/perf/bench/../util/evsel.h:28:6: note: previous definition is here
> enum perf_tool_event {
>      ^

Thanks, applied.

- Arnaldo

 
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
>  tools/perf/util/parse-events.c | 2 +-
>  tools/perf/util/parse-events.h | 3 +--
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
> index 51a2219df601..5d1346aa0627 100644
> --- a/tools/perf/util/parse-events.c
> +++ b/tools/perf/util/parse-events.c
> @@ -1471,7 +1471,7 @@ int parse_events_add_numeric(struct parse_events_state *parse_state,
>  
>  int parse_events_add_tool(struct parse_events_state *parse_state,
>  			  struct list_head *list,
> -			  enum perf_tool_event tool_event)
> +			  int tool_event)
>  {
>  	return add_event_tool(list, &parse_state->idx, tool_event);
>  }
> diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
> index bf6e41aa9b6a..b32ed3064c49 100644
> --- a/tools/perf/util/parse-events.h
> +++ b/tools/perf/util/parse-events.h
> @@ -182,10 +182,9 @@ int parse_events_add_numeric(struct parse_events_state *parse_state,
>  			     struct list_head *list,
>  			     u32 type, u64 config,
>  			     struct list_head *head_config);
> -enum perf_tool_event;
>  int parse_events_add_tool(struct parse_events_state *parse_state,
>  			  struct list_head *list,
> -			  enum perf_tool_event tool_event);
> +			  int tool_event);
>  int parse_events_add_cache(struct list_head *list, int *idx,
>  			   char *type, char *op_result1, char *op_result2,
>  			   struct parse_events_error *error,
> -- 
> 2.33.0.309.g3052b89438-goog

-- 

- Arnaldo

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-09-15 21:21 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-09-15 21:14 [PATCH] perf parse-events: Avoid enum forward declaration Ian Rogers
2021-09-15 21:21 ` Arnaldo Carvalho de Melo

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).