linux-kernel - [PATCH v4 7/7] arm64: perf: Simplify EVENT ATTR macro in perf

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Date:   Wed, 9 Jun 2021 14:41:03 +0800
From:   Qi Liu <liuqi115@...wei.com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <will@...nel.org>
CC:     <linuxarm@...wei.com>, Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: [PATCH v4 7/7] arm64: perf: Simplify EVENT ATTR macro in perf_event.c

Use common macro PMU_EVENT_ATTR_ID to simplify ARMV8_EVENT_ATTR

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Will Deacon <will@...nel.org>
Signed-off-by: Qi Liu <liuqi115@...wei.com>
---
 arch/arm64/kernel/perf_event.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index a661010..d07788d 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -165,10 +165,7 @@ armv8pmu_events_sysfs_show(struct device *dev,
 }
 
 #define ARMV8_EVENT_ATTR(name, config)						\
-	(&((struct perf_pmu_events_attr) {					\
-		.attr = __ATTR(name, 0444, armv8pmu_events_sysfs_show, NULL),	\
-		.id = config,							\
-	}).attr.attr)
+	PMU_EVENT_ATTR_ID(name, armv8pmu_events_sysfs_show, config)
 
 static struct attribute *armv8_pmuv3_event_attrs[] = {
 	ARMV8_EVENT_ATTR(sw_incr, ARMV8_PMUV3_PERFCTR_SW_INCR),
-- 
2.7.4