linux-kernel - [tip:ras/core] x86/MCE: Make struct mce

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Message-ID: <tip-95fdce6b24f3526c2bd1aad15978d238b79da6bd@git.kernel.org>
Date:   Tue, 11 Jun 2019 09:22:54 -0700
From:   tip-bot for Yazen Ghannam <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-edac@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
        tony.luck@...el.com, mingo@...hat.com, tglx@...utronix.de,
        x86@...nel.org, bp@...e.de, linux-kernel@...r.kernel.org,
        yazen.ghannam@....com
Subject: [tip:ras/core] x86/MCE: Make struct mce_banks[] static

Commit-ID:  95fdce6b24f3526c2bd1aad15978d238b79da6bd
Gitweb:     https://git.kernel.org/tip/95fdce6b24f3526c2bd1aad15978d238b79da6bd
Author:     Yazen Ghannam <yazen.ghannam@....com>
AuthorDate: Fri, 7 Jun 2019 20:18:03 +0000
Committer:  Borislav Petkov <bp@...e.de>
CommitDate: Tue, 11 Jun 2019 15:13:51 +0200

x86/MCE: Make struct mce_banks[] static

The struct mce_banks[] array is only used in mce/core.c so move its
definition there and make it static. Also, change the "init" field to
bool type.

Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: linux-edac <linux-edac@...r.kernel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Tony Luck <tony.luck@...el.com>
Cc: "x86@...nel.org" <x86@...nel.org>
Link: https://lkml.kernel.org/r/20190607201752.221446-2-Yazen.Ghannam@amd.com
---
 arch/x86/kernel/cpu/mce/core.c     | 11 ++++++++++-
 arch/x86/kernel/cpu/mce/internal.h | 10 ----------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 282916f3b8d8..55bdbedde0b8 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -65,7 +65,16 @@ static DEFINE_MUTEX(mce_sysfs_mutex);
 
 DEFINE_PER_CPU(unsigned, mce_exception_count);
 
-struct mce_bank *mce_banks __read_mostly;
+#define ATTR_LEN               16
+/* One object for each MCE bank, shared by all CPUs */
+struct mce_bank {
+	u64			ctl;			/* subevents to enable */
+	bool			init;			/* initialise bank? */
+	struct device_attribute	attr;			/* device attribute */
+	char			attrname[ATTR_LEN];	/* attribute name */
+};
+
+static struct mce_bank *mce_banks __read_mostly;
 struct mce_vendor_flags mce_flags __read_mostly;
 
 struct mca_config mca_cfg __read_mostly = {
diff --git a/arch/x86/kernel/cpu/mce/internal.h b/arch/x86/kernel/cpu/mce/internal.h
index a34b55baa7aa..35b3e5c02c1c 100644
--- a/arch/x86/kernel/cpu/mce/internal.h
+++ b/arch/x86/kernel/cpu/mce/internal.h
@@ -22,17 +22,8 @@ enum severity_level {
 
 extern struct blocking_notifier_head x86_mce_decoder_chain;
 
-#define ATTR_LEN		16
 #define INITIAL_CHECK_INTERVAL	5 * 60 /* 5 minutes */
 
-/* One object for each MCE bank, shared by all CPUs */
-struct mce_bank {
-	u64			ctl;			/* subevents to enable */
-	unsigned char init;				/* initialise bank? */
-	struct device_attribute attr;			/* device attribute */
-	char			attrname[ATTR_LEN];	/* attribute name */
-};
-
 struct mce_evt_llist {
 	struct llist_node llnode;
 	struct mce mce;
@@ -47,7 +38,6 @@ struct llist_node *mce_gen_pool_prepare_records(void);
 extern int (*mce_severity)(struct mce *a, int tolerant, char **msg, bool is_excp);
 struct dentry *mce_get_debugfs_dir(void);
 
-extern struct mce_bank *mce_banks;
 extern mce_banks_t mce_banks_ce_disabled;
 
 #ifdef CONFIG_X86_MCE_INTEL