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authorIan Rogers <irogers@google.com>2024-08-12 13:46:55 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2024-08-12 18:05:14 -0300
commit30f29bae9142f34e978a4861ed07aa512af21416 (patch)
tree8a1c7438d47f2935a87f0ef1caa23dfee53f04b1 /tools/perf/util/bpf-event.c
parent1816dc4bc5be050cc543e6e4fcedf3805a2aea20 (diff)
perf tool: Constify tool pointers
The tool pointer (to a struct largely of function pointers) is passed around but is unchanged except at initialization. Change parameter and variable types to be const to lower the possibilities of what could happen with a tool. Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Leo Yan <leo.yan@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linux.dev> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Nick Terrell <terrelln@fb.com> Cc: Oliver Upton <oliver.upton@linux.dev> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <song@kernel.org> Cc: Sun Haiyong <sunhaiyong@loongson.cn> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Yanteng Si <siyanteng@loongson.cn> Cc: Yicong Yang <yangyicong@hisilicon.com> Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20240812204720.631678-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/bpf-event.c')
-rw-r--r--tools/perf/util/bpf-event.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c
index 827695cd0408..13608237c50e 100644
--- a/tools/perf/util/bpf-event.c
+++ b/tools/perf/util/bpf-event.c
@@ -170,7 +170,7 @@ static int perf_event__synthesize_one_bpf_prog(struct perf_session *session,
{
struct perf_record_ksymbol *ksymbol_event = &event->ksymbol;
struct perf_record_bpf_event *bpf_event = &event->bpf;
- struct perf_tool *tool = session->tool;
+ const struct perf_tool *tool = session->tool;
struct bpf_prog_info_node *info_node;
struct perf_bpil *info_linear;
struct bpf_prog_info *info;
@@ -310,7 +310,7 @@ struct kallsyms_parse {
union perf_event *event;
perf_event__handler_t process;
struct machine *machine;
- struct perf_tool *tool;
+ const struct perf_tool *tool;
};
static int