linux-kernel - [PATCH] x86/MCE/AMD: Make kobj

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Message-Id: <20230217-kobj_type-mce-amd-v1-1-40ef94816444@weissschuh.net>
Date:   Fri, 17 Feb 2023 03:20:05 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Tony Luck <tony.luck@...el.com>, Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH] x86/MCE/AMD: Make kobj_type structure 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 definition to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 arch/x86/kernel/cpu/mce/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index 10fb5b5c9efa..1eb2905ac211 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -1035,7 +1035,7 @@ static const struct sysfs_ops threshold_ops = {
 
 static void threshold_block_release(struct kobject *kobj);
 
-static struct kobj_type threshold_ktype = {
+static const struct kobj_type threshold_ktype = {
 	.sysfs_ops		= &threshold_ops,
 	.default_groups		= default_groups,
 	.release		= threshold_block_release,

---
base-commit: 3ac88fa4605ec98e545fb3ad0154f575fda2de5f
change-id: 20230217-kobj_type-mce-amd-3a52b6d49909

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