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Subject[PATCH] [1/3] x86: mce: Move most mce subsystem internal declarations into mce-internal.h
Date

Move MCE subsystem internal prototypes and externs into mce-internal.h
This way they don't pollute the global include name space (but
are still global on the linker level).

I didn't move all, especially not prototypes that are logically
not internal (like thermal setup)

No code behaviour changes.

Signed-off-by: Andi Kleen <ak@linux.intel.com>

---
arch/x86/include/asm/mce.h | 48 +++++-------------------------
arch/x86/kernel/cpu/mcheck/mce-inject.c | 2 +
arch/x86/kernel/cpu/mcheck/mce-internal.h | 42 ++++++++++++++++++++++++++
arch/x86/kernel/cpu/mcheck/mce_amd.c | 2 +
arch/x86/kernel/cpu/mcheck/mce_intel.c | 1
5 files changed, 56 insertions(+), 39 deletions(-)

Index: linux/arch/x86/include/asm/mce.h
===================================================================
--- linux.orig/arch/x86/include/asm/mce.h
+++ linux/arch/x86/include/asm/mce.h
@@ -106,9 +106,6 @@ struct mce_log {
#include <linux/init.h>
#include <asm/atomic.h>

-extern int mce_disabled;
-extern int mce_p5_enabled;
-
#ifdef CONFIG_X86_MCE
void mcheck_init(struct cpuinfo_x86 *c);
#else
@@ -127,7 +124,6 @@ static inline void enable_p5_mce(void) {

void mce_setup(struct mce *m);
void mce_log(struct mce *m);
-DECLARE_PER_CPU(struct sys_device, mce_dev);

/*
* Maximum banks number.
@@ -136,28 +132,6 @@ DECLARE_PER_CPU(struct sys_device, mce_d
*/
#define MAX_NR_BANKS 32

-#ifdef CONFIG_X86_MCE_INTEL
-extern int mce_cmci_disabled;
-extern int mce_ignore_ce;
-void mce_intel_feature_init(struct cpuinfo_x86 *c);
-void cmci_clear(void);
-void cmci_reenable(void);
-void cmci_rediscover(int dying);
-void cmci_recheck(void);
-#else
-static inline void mce_intel_feature_init(struct cpuinfo_x86 *c) { }
-static inline void cmci_clear(void) {}
-static inline void cmci_reenable(void) {}
-static inline void cmci_rediscover(int dying) {}
-static inline void cmci_recheck(void) {}
-#endif
-
-#ifdef CONFIG_X86_MCE_AMD
-void mce_amd_feature_init(struct cpuinfo_x86 *c);
-#else
-static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { }
-#endif
-
int mce_available(struct cpuinfo_x86 *c);

DECLARE_PER_CPU(unsigned, mce_exception_count);
@@ -165,22 +139,9 @@ DECLARE_PER_CPU(unsigned, mce_poll_count

extern atomic_t mce_entry;

-typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS);
-DECLARE_PER_CPU(mce_banks_t, mce_poll_banks);
-
-enum mcp_flags {
- MCP_TIMESTAMP = (1 << 0), /* log time stamp */
- MCP_UC = (1 << 1), /* log uncorrected errors */
- MCP_DONTLOG = (1 << 2), /* only clear, don't log */
-};
-void machine_check_poll(enum mcp_flags flags, mce_banks_t *b);
-
int mce_notify_irq(void);
void mce_notify_process(void);

-DECLARE_PER_CPU(struct mce, injectm);
-extern struct file_operations mce_chrdev_ops;
-
/*
* Exception handler
*/
@@ -204,5 +165,14 @@ void intel_init_thermal(struct cpuinfo_x

void mce_log_therm_throt_event(__u64 status);

+/*
+ * Intel CMCI
+ */
+#ifdef CONFIG_X86_MCE_INTEL
+void cmci_recheck(void);
+#else
+static inline void cmci_recheck(void) {}
+#endif
+
#endif /* __KERNEL__ */
#endif /* _ASM_X86_MCE_H */
Index: linux/arch/x86/kernel/cpu/mcheck/mce-inject.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ linux/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -20,6 +20,8 @@
#include <linux/smp.h>
#include <asm/mce.h>

+#include "mce-internal.h"
+
/* Update fake mce registers on current CPU. */
static void inject_mce(struct mce *m)
{
Index: linux/arch/x86/kernel/cpu/mcheck/mce-internal.h
===================================================================
--- linux.orig/arch/x86/kernel/cpu/mcheck/mce-internal.h
+++ linux/arch/x86/kernel/cpu/mcheck/mce-internal.h
@@ -1,4 +1,5 @@
#include <linux/sysdev.h>
+#include <linux/percpu.h>
#include <asm/mce.h>

enum severity_level {
@@ -24,6 +25,47 @@ struct mce_bank {
int mce_severity(struct mce *a, int tolerant, char **msg);

extern int mce_ser;
+extern int mce_ignore_ce;

extern struct mce_bank *mce_banks;

+extern int mce_disabled;
+extern int mce_p5_enabled;
+
+DECLARE_PER_CPU(struct sys_device, mce_dev);
+
+/*
+ * MCE corrected error support
+ */
+
+typedef DECLARE_BITMAP(mce_banks_t, MAX_NR_BANKS);
+DECLARE_PER_CPU(mce_banks_t, mce_poll_banks);
+
+enum mcp_flags {
+ MCP_TIMESTAMP = (1 << 0), /* log time stamp */
+ MCP_UC = (1 << 1), /* log uncorrected errors */
+ MCP_DONTLOG = (1 << 2), /* only clear, don't log */
+};
+void machine_check_poll(enum mcp_flags flags, mce_banks_t *b);
+
+#ifdef CONFIG_X86_MCE_INTEL
+extern int mce_cmci_disabled;
+void mce_intel_feature_init(struct cpuinfo_x86 *c);
+void cmci_clear(void);
+void cmci_reenable(void);
+void cmci_rediscover(int dying);
+#else
+static inline void mce_intel_feature_init(struct cpuinfo_x86 *c) { }
+static inline void cmci_clear(void) {}
+static inline void cmci_reenable(void) {}
+static inline void cmci_rediscover(int dying) {}
+#endif
+
+#ifdef CONFIG_X86_MCE_AMD
+void mce_amd_feature_init(struct cpuinfo_x86 *c);
+#else
+static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { }
+#endif
+
+DECLARE_PER_CPU(struct mce, injectm);
+extern struct file_operations mce_chrdev_ops;
Index: linux/arch/x86/kernel/cpu/mcheck/mce_amd.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ linux/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -30,6 +30,8 @@
#include <asm/mce.h>
#include <asm/msr.h>

+#include "mce-internal.h"
+
#define PFX "mce_threshold: "
#define VERSION "version 1.1.1"
#define NR_BANKS 6
Index: linux/arch/x86/kernel/cpu/mcheck/mce_intel.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ linux/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -12,6 +12,7 @@
#include <asm/processor.h>
#include <asm/msr.h>
#include <asm/mce.h>
+#include "mce-internal.h"

/*
* Support for Intel Correct Machine Check Interrupts. This allows

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