[PATCH v6 16/16] x86/mtrr: remove unused code

Juergen Gross
2023-05-02T12:12:00Z

mtrr_centaur_report_mcr() isn't used by anyone, so it can be removed.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
V5:
- new patch
---
arch/x86/include/asm/mtrr.h | 4 ----
arch/x86/kernel/cpu/mtrr/centaur.c | 9 ---------
2 files changed, 13 deletions(-)

diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 9776a4d576f8..2185a292a50f 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -61,7 +61,6 @@ extern int mtrr_add_page(unsigned long base, unsigned long size,
unsigned int type, bool increment);
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_bp_restore(void);
extern int mtrr_trim_uncached_memory(unsigned long end_pfn);
extern int amd_special_default_mtrr(void);
@@ -109,9 +108,6 @@ static inline int mtrr_trim_uncached_memory(unsigned long end_pfn)
{
return 0;
}
-static inline void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi)
-{
-}
#define mtrr_bp_init() do {} while (0)
#define mtrr_bp_restore() do {} while (0)
#define mtrr_disable() do {} while (0)
diff --git a/arch/x86/kernel/cpu/mtrr/centaur.c b/arch/x86/kernel/cpu/mtrr/centaur.c
index 4466ddeb0125..6f6c3ae92943 100644
--- a/arch/x86/kernel/cpu/mtrr/centaur.c
+++ b/arch/x86/kernel/cpu/mtrr/centaur.c
@@ -45,15 +45,6 @@ centaur_get_free_region(unsigned long base, unsigned long size, int replace_reg)
return -ENOSPC;
}

-/*
- * Report boot time MCR setups
- */
-void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi)
-{
- centaur_mcr[mcr].low = lo;
- centaur_mcr[mcr].high = hi;
-}
-
static void
centaur_get_mcr(unsigned int reg, unsigned long *base,
unsigned long *size, mtrr_type * type)
--
2.35.3