linux-kernel - [PATCH] drm/amdkfd: Make kobj

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-next>] [day] [month] [year] [list]

Message-Id: <20230216-kobj_type-amdkfd-v1-1-337abb104da2@weissschuh.net>
Date:   Thu, 16 Feb 2023 01:09:00 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Felix Kuehling <Felix.Kuehling@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH] drm/amdkfd: Make kobj_type structures constant

Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/gpu/drm/amd/amdkfd/kfd_process.c  |  8 ++++----
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 10 +++++-----
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 51b1683ac5c1..8d719f90db40 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -344,7 +344,7 @@ static const struct sysfs_ops kfd_procfs_ops = {
 	.show = kfd_procfs_show,
 };
 
-static struct kobj_type procfs_type = {
+static const struct kobj_type procfs_type = {
 	.release = kfd_procfs_kobj_release,
 	.sysfs_ops = &kfd_procfs_ops,
 };
@@ -469,7 +469,7 @@ static const struct sysfs_ops procfs_queue_ops = {
 	.show = kfd_procfs_queue_show,
 };
 
-static struct kobj_type procfs_queue_type = {
+static const struct kobj_type procfs_queue_type = {
 	.sysfs_ops = &procfs_queue_ops,
 	.default_groups = procfs_queue_groups,
 };
@@ -478,7 +478,7 @@ static const struct sysfs_ops procfs_stats_ops = {
 	.show = kfd_procfs_stats_show,
 };
 
-static struct kobj_type procfs_stats_type = {
+static const struct kobj_type procfs_stats_type = {
 	.sysfs_ops = &procfs_stats_ops,
 	.release = kfd_procfs_kobj_release,
 };
@@ -487,7 +487,7 @@ static const struct sysfs_ops sysfs_counters_ops = {
 	.show = kfd_sysfs_counters_show,
 };
 
-static struct kobj_type sysfs_counters_type = {
+static const struct kobj_type sysfs_counters_type = {
 	.sysfs_ops = &sysfs_counters_ops,
 	.release = kfd_procfs_kobj_release,
 };
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 3fdaba56be6f..8e4124dcb6e4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -278,7 +278,7 @@ static const struct sysfs_ops sysprops_ops = {
 	.show = sysprops_show,
 };
 
-static struct kobj_type sysprops_type = {
+static const struct kobj_type sysprops_type = {
 	.release = kfd_topology_kobj_release,
 	.sysfs_ops = &sysprops_ops,
 };
@@ -318,7 +318,7 @@ static const struct sysfs_ops iolink_ops = {
 	.show = iolink_show,
 };
 
-static struct kobj_type iolink_type = {
+static const struct kobj_type iolink_type = {
 	.release = kfd_topology_kobj_release,
 	.sysfs_ops = &iolink_ops,
 };
@@ -350,7 +350,7 @@ static const struct sysfs_ops mem_ops = {
 	.show = mem_show,
 };
 
-static struct kobj_type mem_type = {
+static const struct kobj_type mem_type = {
 	.release = kfd_topology_kobj_release,
 	.sysfs_ops = &mem_ops,
 };
@@ -395,7 +395,7 @@ static const struct sysfs_ops cache_ops = {
 	.show = kfd_cache_show,
 };
 
-static struct kobj_type cache_type = {
+static const struct kobj_type cache_type = {
 	.release = kfd_topology_kobj_release,
 	.sysfs_ops = &cache_ops,
 };
@@ -566,7 +566,7 @@ static const struct sysfs_ops node_ops = {
 	.show = node_show,
 };
 
-static struct kobj_type node_type = {
+static const struct kobj_type node_type = {
 	.release = kfd_topology_kobj_release,
 	.sysfs_ops = &node_ops,
 };

---
base-commit: 033c40a89f55525139fd5b6342281b09b97d05bf
change-id: 20230216-kobj_type-amdkfd-abd9fe9ab060

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>