linux-kernel - [PATCH 1/4] perf: qcom: Constify static struct attribute

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210117212847.21319-2-rikard.falkeborn@gmail.com>
Date:   Sun, 17 Jan 2021 22:28:44 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>
Cc:     Frank Li <Frank.li@....com>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Shaokun Zhang <zhangshaokun@...ilicon.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 1/4] perf: qcom: Constify static struct attribute_group

The only usage is to put their addresses in an array of pointers to
const struct attribute group. Make them const to allow the compiler
to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/perf/qcom_l2_pmu.c | 6 +++---
 drivers/perf/qcom_l3_pmu.c | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c
index 23a0e008dafa..8883af955a2a 100644
--- a/drivers/perf/qcom_l2_pmu.c
+++ b/drivers/perf/qcom_l2_pmu.c
@@ -649,7 +649,7 @@ static struct attribute *l2_cache_pmu_cpumask_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group l2_cache_pmu_cpumask_group = {
+static const struct attribute_group l2_cache_pmu_cpumask_group = {
 	.attrs = l2_cache_pmu_cpumask_attrs,
 };
 
@@ -665,7 +665,7 @@ static struct attribute *l2_cache_pmu_formats[] = {
 	NULL,
 };
 
-static struct attribute_group l2_cache_pmu_format_group = {
+static const struct attribute_group l2_cache_pmu_format_group = {
 	.name = "format",
 	.attrs = l2_cache_pmu_formats,
 };
@@ -700,7 +700,7 @@ static struct attribute *l2_cache_pmu_events[] = {
 	NULL
 };
 
-static struct attribute_group l2_cache_pmu_events_group = {
+static const struct attribute_group l2_cache_pmu_events_group = {
 	.name = "events",
 	.attrs = l2_cache_pmu_events,
 };
diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c
index 9ddb577c542b..fb34b87b9471 100644
--- a/drivers/perf/qcom_l3_pmu.c
+++ b/drivers/perf/qcom_l3_pmu.c
@@ -630,7 +630,7 @@ static struct attribute *qcom_l3_cache_pmu_formats[] = {
 	NULL,
 };
 
-static struct attribute_group qcom_l3_cache_pmu_format_group = {
+static const struct attribute_group qcom_l3_cache_pmu_format_group = {
 	.name = "format",
 	.attrs = qcom_l3_cache_pmu_formats,
 };
@@ -663,7 +663,7 @@ static struct attribute *qcom_l3_cache_pmu_events[] = {
 	NULL
 };
 
-static struct attribute_group qcom_l3_cache_pmu_events_group = {
+static const struct attribute_group qcom_l3_cache_pmu_events_group = {
 	.name = "events",
 	.attrs = qcom_l3_cache_pmu_events,
 };
@@ -685,7 +685,7 @@ static struct attribute *qcom_l3_cache_pmu_cpumask_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group qcom_l3_cache_pmu_cpumask_attr_group = {
+static const struct attribute_group qcom_l3_cache_pmu_cpumask_attr_group = {
 	.attrs = qcom_l3_cache_pmu_cpumask_attrs,
 };
 
-- 
2.30.0