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-rw-r--r--arch/x86/include/asm/mtrr.h8
-rw-r--r--arch/x86/kernel/setup.c7
-rw-r--r--arch/x86/kvm/mmu/spte.c1
3 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 829df26fd7a3..76d726074c16 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -24,8 +24,8 @@
#define _ASM_X86_MTRR_H
#include <uapi/asm/mtrr.h>
-#include <asm/memtype.h>
+void mtrr_bp_init(void);
/*
* The following functions are for use by other drivers that cannot use
@@ -43,7 +43,6 @@ extern int mtrr_del(int reg, unsigned long base, unsigned long size);
extern int mtrr_del_page(int reg, unsigned long base, unsigned long size);
extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
extern void mtrr_ap_init(void);
-extern void mtrr_bp_init(void);
extern void set_mtrr_aps_delayed_init(void);
extern void mtrr_aps_init(void);
extern void mtrr_bp_restore(void);
@@ -84,11 +83,6 @@ static inline int mtrr_trim_uncached_memory(unsigned long end_pfn)
static inline void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi)
{
}
-static inline void mtrr_bp_init(void)
-{
- pat_disable("PAT support disabled because CONFIG_MTRR is disabled in the kernel.");
-}
-
#define mtrr_ap_init() do {} while (0)
#define set_mtrr_aps_delayed_init() do {} while (0)
#define mtrr_aps_init() do {} while (0)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 6a190c7f4d71..2f5129bd49dc 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -40,6 +40,7 @@
#include <asm/kasan.h>
#include <asm/kaslr.h>
#include <asm/mce.h>
+#include <asm/memtype.h>
#include <asm/mtrr.h>
#include <asm/realmode.h>
#include <asm/olpc_ofw.h>
@@ -979,7 +980,11 @@ void __init setup_arch(char **cmdline_p)
max_pfn = e820__end_of_ram_pfn();
/* update e820 for memory not covered by WB MTRRs */
- mtrr_bp_init();
+ if (IS_ENABLED(CONFIG_MTRR))
+ mtrr_bp_init();
+ else
+ pat_disable("PAT support disabled because CONFIG_MTRR is disabled in the kernel.");
+
if (mtrr_trim_uncached_memory(max_pfn))
max_pfn = e820__end_of_ram_pfn();
diff --git a/arch/x86/kvm/mmu/spte.c b/arch/x86/kvm/mmu/spte.c
index 0c76c45fdb68..fad546df0bba 100644
--- a/arch/x86/kvm/mmu/spte.c
+++ b/arch/x86/kvm/mmu/spte.c
@@ -16,6 +16,7 @@
#include "spte.h"
#include <asm/e820/api.h>
+#include <asm/memtype.h>
#include <asm/vmx.h>
static bool __read_mostly enable_mmio_caching = true;