diff options
| -rw-r--r-- | arch/x86/include/asm/microcode_amd.h | 21 | ||||
| -rw-r--r-- | 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; |
