linux-kernel - [PATCH 2/2 v2] perf test: Hwmon align structure on boundary in union

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Message-ID: <20250205101814.2801701-3-tmricht@linux.ibm.com>
Date: Wed,  5 Feb 2025 11:18:14 +0100
From: Thomas Richter <tmricht@...ux.ibm.com>
To: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-perf-users@...r.kernel.org, acme@...nel.org, namhyung@...nel.org,
        irogers@...gle.com
Cc: agordeev@...ux.ibm.com, gor@...ux.ibm.com, sumanthk@...ux.ibm.com,
        hca@...ux.ibm.com, Thomas Richter <tmricht@...ux.ibm.com>
Subject: [PATCH 2/2 v2] perf test: Hwmon align structure on boundary in union

Align both members in union hwmon_pmu_event_key to the same
boundary. Add unused structure members as sugguested.

Signed-off-by: Thomas Richter <tmricht@...ux.ibm.com>
Suggested-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/hwmon_pmu.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/util/hwmon_pmu.h b/tools/perf/util/hwmon_pmu.h
index b3329774d2b2..748cf93a859c 100644
--- a/tools/perf/util/hwmon_pmu.h
+++ b/tools/perf/util/hwmon_pmu.h
@@ -104,6 +104,10 @@ union hwmon_pmu_event_key {
 	struct {
 		int num :16;
 		enum hwmon_type type :8;
+		int unused: 8;
+#if __SIZEOF_LONG__ == 8
+		int unused2;
+#endif
 	};
 };
 
-- 
2.48.1