From 08611a3a9a23e5e2e1a799e966c69ebc4851dfa8 Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Tue, 2 May 2023 14:09:31 +0200 Subject: [PATCH] x86/mtrr: Remove unused code mtrr_centaur_report_mcr() isn't used by anyone, so it can be removed. Signed-off-by: Juergen Gross Signed-off-by: Borislav Petkov (AMD) Tested-by: Michael Kelley Link: https://lore.kernel.org/r/20230502120931.20719-17-jgross@suse.com Signed-off-by: Borislav Petkov (AMD) --- 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 5a758ee..090d658 100644 --- a/arch/x86/include/asm/mtrr.h +++ b/arch/x86/include/asm/mtrr.h @@ -69,7 +69,6 @@ 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); @@ -117,9 +116,6 @@ 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 4466dde..6f6c3ae 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) -- 2.7.4