linux-kernel - [tip: x86/mtrr] x86/mtrr: Remove unused code

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Message-ID: <168597409311.404.9099056252144987246.tip-bot2@tip-bot2>
Date:   Mon, 05 Jun 2023 14:08:13 -0000
From:   "tip-bot2 for Juergen Gross" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Juergen Gross <jgross@...e.com>,
        "Borislav Petkov (AMD)" <bp@...en8.de>,
        Michael Kelley <mikelley@...rosoft.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/mtrr] x86/mtrr: Remove unused code

The following commit has been merged into the x86/mtrr branch of tip:

Commit-ID:     08611a3a9a23e5e2e1a799e966c69ebc4851dfa8
Gitweb:        https://git.kernel.org/tip/08611a3a9a23e5e2e1a799e966c69ebc4851dfa8
Author:        Juergen Gross <jgross@...e.com>
AuthorDate:    Tue, 02 May 2023 14:09:31 +02:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Thu, 01 Jun 2023 15:04:33 +02:00

x86/mtrr: Remove unused code

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

Signed-off-by: Juergen Gross <jgross@...e.com>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Tested-by: Michael Kelley <mikelley@...rosoft.com>
Link: https://lore.kernel.org/r/20230502120931.20719-17-jgross@suse.com
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
---
 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)