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perf jevents: Add __maybe_unused attribute to unused function arg

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The tools/perf/pmu-events/jevents.c file isn't being compiled with
-Werror and -Wextra, which will be the case soon, so before we turn
those compiler flags on, fix what it would flag.

Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Like Xu <like.xu.linux@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To: John Garry <john.garry@huawei.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2021-09-28 14:15:01 -03:00
parent 0ba37e05c2
commit 0e46c83075
1 changed files with 2 additions and 1 deletions
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3
tools/perf/pmu-events/jevents.c
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@ -45,6 +45,7 @@
#include <sys/resource.h> /* getrlimit */
#include <ftw.h>
#include <sys/stat.h>
#include <linux/compiler.h>
#include <linux/list.h>
#include "jsmn.h"
#include "json.h"
@ -470,7 +471,7 @@ static void free_arch_std_events(void)
}
}
static int save_arch_std_events(void *data, struct json_event *je)
static int save_arch_std_events(void *data __maybe_unused, struct json_event *je)
{
struct event_struct *es;