linux-kernel - [PATCH] x86/CPU/AMD: use default_groups in kobj

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Message-Id: <20220106101516.3309908-1-gregkh@linuxfoundation.org>
Date:   Thu,  6 Jan 2022 11:15:16 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        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>, linux-edac@...r.kernel.org
Subject: [PATCH] x86/CPU/AMD: use default_groups in kobj_type

There are currently 2 ways to create a set of sysfs files for a
kobj_type, through the default_attrs field, and the default_groups
field.  Move the AMD mce sysfs code to use default_groups field which
has been the preferred way since aa30f47cf666 ("kobject: Add support for
default attribute groups to kobj_type") so that we can soon get rid of
the obsolete default_attrs field.

Cc: Tony Luck <tony.luck@...el.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: x86@...nel.org
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: linux-edac@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/x86/kernel/cpu/mce/amd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index fc85eb17cb6d..08c64884b0a5 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -1171,6 +1171,7 @@ static struct attribute *default_attrs[] = {
 	NULL,	/* possibly interrupt_enable if supported, see below */
 	NULL,
 };
+ATTRIBUTE_GROUPS(default);
 
 #define to_block(k)	container_of(k, struct threshold_block, kobj)
 #define to_attr(a)	container_of(a, struct threshold_attr, attr)
@@ -1207,7 +1208,7 @@ static void threshold_block_release(struct kobject *kobj);
 
 static struct kobj_type threshold_ktype = {
 	.sysfs_ops		= &threshold_ops,
-	.default_attrs		= default_attrs,
+	.default_groups		= default_groups,
 	.release		= threshold_block_release,
 };
 
-- 
2.34.1