[PATCH] perf: arm64: Fix build with refcount checking

[James Clark]

With EXTRA_CFLAGS=-DREFCNT_CHECKING=1 and build-test, some unwrapped
map accesses appear. Wrap it in the new accessor to fix the error:

  error: 'struct perf_cpu_map' has no member named 'map'

Signed-off-by: James Clark <james.clark at arm.com>
---
 tools/perf/arch/arm64/util/header.c | 4 ++--
 tools/perf/arch/arm64/util/pmu.c    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/arch/arm64/util/header.c b/tools/perf/arch/arm64/util/header.c
index d730666ab95d..80b9f6287fe2 100644
--- a/tools/perf/arch/arm64/util/header.c
+++ b/tools/perf/arch/arm64/util/header.c
@@ -29,8 +29,8 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus)
 		char path[PATH_MAX];
 		FILE *file;
 
-		scnprintf(path, PATH_MAX, "%s/devices/system/cpu/cpu%d"MIDR,
-				sysfs, cpus->map[cpu]);
+		scnprintf(path, PATH_MAX, "%s/devices/system/cpu/cpu%d" MIDR,
+			  sysfs, RC_CHK_ACCESS(cpus)->map[cpu].cpu);
 
 		file = fopen(path, "r");
 		if (!file) {
diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c
index fa143acb4c8d..ef1ed645097c 100644
--- a/tools/perf/arch/arm64/util/pmu.c
+++ b/tools/perf/arch/arm64/util/pmu.c
@@ -18,7 +18,7 @@ static struct perf_pmu *pmu__find_core_pmu(void)
 		 * The cpumap should cover all CPUs. Otherwise, some CPUs may
 		 * not support some events or have different event IDs.
 		 */
-		if (pmu->cpus->nr != cpu__max_cpu().cpu)
+		if (RC_CHK_ACCESS(pmu->cpus)->nr != cpu__max_cpu().cpu)
 			return NULL;
 
 		return pmu;
-- 
2.34.1