linux-kernel - [PATCH] perf/hisi: Constify static attribute

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Date:   Sun,  6 Jun 2021 00:15:14 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Shaokun Zhang <zhangshaokun@...ilicon.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] perf/hisi: Constify static attribute_group structs

These are only put in an array of pointers to const attribute_group
structs. Make them const like the other static attribute_group structs
to allow the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/perf/hisilicon/hisi_uncore_pa_pmu.c   | 2 +-
 drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
index e1f71eab5640..83264ec0a957 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
@@ -333,7 +333,7 @@ static struct attribute *hisi_pa_pmu_identifier_attrs[] = {
 	NULL
 };
 
-static struct attribute_group hisi_pa_pmu_identifier_group = {
+static const struct attribute_group hisi_pa_pmu_identifier_group = {
 	.attrs = hisi_pa_pmu_identifier_attrs,
 };
 
diff --git a/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c
index 08e028d9a406..6aedc303ff56 100644
--- a/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c
@@ -366,7 +366,7 @@ static struct attribute *hisi_sllc_pmu_identifier_attrs[] = {
 	NULL
 };
 
-static struct attribute_group hisi_sllc_pmu_identifier_group = {
+static const struct attribute_group hisi_sllc_pmu_identifier_group = {
 	.attrs = hisi_sllc_pmu_identifier_attrs,
 };
 
-- 
2.31.1