[tip:ras/core] x86/MCE: Make struct mce_banks[] static

From: tip-bot for Yazen Ghannam
Date: Tue Jun 11 2019 - 12:28:17 EST


Commit-ID: 95fdce6b24f3526c2bd1aad15978d238b79da6bd
Gitweb: https://git.kernel.org/tip/95fdce6b24f3526c2bd1aad15978d238b79da6bd
Author: Yazen Ghannam <yazen.ghannam@xxxxxxx>
AuthorDate: Fri, 7 Jun 2019 20:18:03 +0000
Committer: Borislav Petkov <bp@xxxxxxx>
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@xxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: linux-edac <linux-edac@xxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190607201752.221446-2-Yazen.Ghannam@xxxxxxx
---
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