[tip:ras/urgent] x86/mce: Hide mca_cfg

[tip-bot for Borislav Petkov]

Commit-ID:  262e681183ddcdb24d64a2f993e41a226adcec29
Gitweb:     https://git.kernel.org/tip/262e681183ddcdb24d64a2f993e41a226adcec29
Author:     Borislav Petkov <bp@xxxxxxx>
AuthorDate: Mon, 2 Oct 2017 11:28:36 +0200
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 5 Oct 2017 14:23:06 +0200

x86/mce: Hide mca_cfg

Now that lguest is gone, put it in the internal header which should be
used only by MCA/RAS code.

Add missing header guards while at it.

No functional change.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20171002092836.22971-3-bp@xxxxxxxxx

---
 arch/x86/include/asm/mce.h                | 1 -
 arch/x86/kernel/cpu/mcheck/mce-internal.h | 7 +++++++
 arch/x86/kernel/cpu/mcheck/mce_amd.c      | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 1812649..8edac1d 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -187,7 +187,6 @@ struct mca_msr_regs {
 
 extern struct mce_vendor_flags mce_flags;
 
-extern struct mca_config mca_cfg;
 extern struct mca_msr_regs msr_ops;
 
 enum mce_notifier_prios {
diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h
index 098530a..debb974 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-internal.h
+++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h
@@ -1,3 +1,6 @@
+#ifndef __X86_MCE_INTERNAL_H__
+#define __X86_MCE_INTERNAL_H__
+
 #include <linux/device.h>
 #include <asm/mce.h>
 
@@ -108,3 +111,7 @@ static inline void mce_work_trigger(void)	{ }
 static inline void mce_register_injector_chain(struct notifier_block *nb)	{ }
 static inline void mce_unregister_injector_chain(struct notifier_block *nb)	{ }
 #endif
+
+extern struct mca_config mca_cfg;
+
+#endif /* __X86_MCE_INTERNAL_H__ */
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 40e28ed..486f640 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -28,6 +28,8 @@
 #include <asm/msr.h>
 #include <asm/trace/irq_vectors.h>
 
+#include "mce-internal.h"
+
 #define NR_BLOCKS         5
 #define THRESHOLD_MAX     0xFFF
 #define INT_TYPE_APIC     0x00020000