From d2d2944b80b99ecdcb1c10b0704bbdf78fbf5f79 Mon Sep 17 00:00:00 2001
From: Ashok Raj <ashok.raj@intel.com>
Date: Mon, 28 Nov 2022 09:24:51 -0800
Subject: [PATCH 27/36] x86/cpu: Remove redundant extern
 x86_read_arch_cap_msr()

The prototype for the x86_read_arch_cap_msr() function has moved to
arch/x86/include/asm/cpu.h - kill the redundant definition in arch/x86/kernel/cpu.h
and include the header.

Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Link: https://lore.kernel.org/r/20221128172451.792595-1-ashok.raj@intel.com
(cherry picked from commit bb5525a50601f8be7d0ffb04740e1714506e60c4)
Signed-off-by: Mridula Shastry <mridula.c.shastry@oracle.com>
Reviewed-by: Todd Vierling <todd.vierling@oracle.com>
---
 arch/x86/kernel/cpu/bugs.c | 1 +
 arch/x86/kernel/cpu/cpu.h  | 2 --
 arch/x86/kernel/cpu/tsx.c  | 1 +
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 848a0cce2243..5dc79427d047 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -33,6 +33,7 @@
 #include <asm/e820/api.h>
 #include <asm/hypervisor.h>
 #include <asm/tlbflush.h>
+#include <asm/cpu.h>
 
 #include "cpu.h"
 
diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h
index 54afd004624b..1add3618f766 100644
--- a/arch/x86/kernel/cpu/cpu.h
+++ b/arch/x86/kernel/cpu/cpu.h
@@ -84,8 +84,6 @@ unsigned int aperfmperf_get_khz(int cpu);
 extern void x86_spec_ctrl_setup_ap(void);
 extern void update_srbds_msr(void);
 
-extern u64 x86_read_arch_cap_msr(void);
-
 #ifdef CONFIG_IA32_FEAT_CTL
 void init_ia32_feat_ctl(struct cpuinfo_x86 *c);
 #endif
diff --git a/arch/x86/kernel/cpu/tsx.c b/arch/x86/kernel/cpu/tsx.c
index 39b3e65c9c8d..73b7226d042b 100644
--- a/arch/x86/kernel/cpu/tsx.c
+++ b/arch/x86/kernel/cpu/tsx.c
@@ -11,6 +11,7 @@
 #include <linux/cpufeature.h>
 
 #include <asm/cmdline.h>
+#include <asm/cpu.h>
 
 #include "cpu.h"
 
-- 
2.39.3