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Date: Tue, 25 Oct 2016 11:55:19 +0200
From: Borislav Petkov <bp@...en8.de>
To: X86 ML <x86@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 09/12] x86/microcode/AMD: Retract functions
From: Borislav Petkov <bp@...e.de>
Make them all static as they're used in a single file now.
No functionality change.
Signed-off-by: Borislav Petkov <bp@...e.de>
---
arch/x86/include/asm/microcode_amd.h | 21 --------------
arch/x86/kernel/cpu/microcode/amd.c | 53 +++++++++++++++++++++++++-----------
2 files changed, 37 insertions(+), 37 deletions(-)
diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h
index ad6a7be3b1f8..3e3e20be829a 100644
--- a/arch/x86/include/asm/microcode_amd.h
+++ b/arch/x86/include/asm/microcode_amd.h
@@ -40,27 +40,6 @@ struct microcode_amd {
unsigned int mpb[0];
};
-static inline u16 find_equiv_id(struct equiv_cpu_entry *equiv_cpu_table,
- unsigned int sig)
-{
- int i = 0;
-
- if (!equiv_cpu_table)
- return 0;
-
- while (equiv_cpu_table[i].installed_cpu != 0) {
- if (sig == equiv_cpu_table[i].installed_cpu)
- return equiv_cpu_table[i].equiv_cpu;
-
- i++;
- }
- return 0;
-}
-
-extern int __apply_microcode_amd(struct microcode_amd *mc_amd);
-extern int apply_microcode_amd(int cpu);
-extern enum ucode_state load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size);
-
#define PATCH_MAX_SIZE PAGE_SIZE
#ifdef CONFIG_MICROCODE_AMD
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index bb16418ecaa9..03c19a68d61f 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -126,6 +126,37 @@ static size_t compute_container_size(u8 *data, u32 total_size)
return size;
}
+static inline u16 find_equiv_id(struct equiv_cpu_entry *equiv_cpu_table,
+ unsigned int sig)
+{
+ int i = 0;
+
+ if (!equiv_cpu_table)
+ return 0;
+
+ while (equiv_cpu_table[i].installed_cpu != 0) {
+ if (sig == equiv_cpu_table[i].installed_cpu)
+ return equiv_cpu_table[i].equiv_cpu;
+
+ i++;
+ }
+ return 0;
+}
+
+static int __apply_microcode_amd(struct microcode_amd *mc_amd)
+{
+ u32 rev, dummy;
+
+ native_wrmsrl(MSR_AMD64_PATCH_LOADER, (u64)(long)&mc_amd->hdr.data_code);
+
+ /* verify patch application was successful */
+ native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
+ if (rev != mc_amd->hdr.patch_id)
+ return -1;
+
+ return 0;
+}
+
/*
* Early load occurs before we can vmalloc(). So we look for the microcode
* patch container file in initrd, traverse equivalent cpu table, look for a
@@ -395,6 +426,9 @@ void load_ucode_amd_ap(unsigned int family)
}
#endif
+static enum ucode_state
+load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size);
+
int __init save_microcode_in_initrd_amd(unsigned int family)
{
unsigned long cont;
@@ -649,21 +683,7 @@ bool check_current_patch_level(u32 *rev, bool early)
return ret;
}
-int __apply_microcode_amd(struct microcode_amd *mc_amd)
-{
- u32 rev, dummy;
-
- native_wrmsrl(MSR_AMD64_PATCH_LOADER, (u64)(long)&mc_amd->hdr.data_code);
-
- /* verify patch application was successful */
- native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
- if (rev != mc_amd->hdr.patch_id)
- return -1;
-
- return 0;
-}
-
-int apply_microcode_amd(int cpu)
+static int apply_microcode_amd(int cpu)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
struct microcode_amd *mc_amd;
@@ -846,7 +866,8 @@ static enum ucode_state __load_microcode_amd(u8 family, const u8 *data,
return UCODE_OK;
}
-enum ucode_state load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size)
+static enum ucode_state
+load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size)
{
enum ucode_state ret;
--
2.10.0
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