diff options
Diffstat (limited to 'arch/x86/kernel/microcode_amd.c')
| -rw-r--r-- | arch/x86/kernel/microcode_amd.c | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 94ecdaa24052..03ed5af7053d 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -78,6 +78,36 @@ static struct equiv_cpu_entry *equiv_cpu_table; /* page-sized ucode patch buffer */ void *patch; +static u16 find_equiv_id(unsigned int cpu) +{ + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + int i = 0; + + BUG_ON(equiv_cpu_table == NULL); + + while (equiv_cpu_table[i].installed_cpu != 0) { + if (uci->cpu_sig.sig == equiv_cpu_table[i].installed_cpu) + return equiv_cpu_table[i].equiv_cpu; + + i++; + } + return 0; +} + +static u32 find_cpu_family_by_equiv_cpu(u16 equiv_cpu) +{ + int i = 0; + + BUG_ON(!equiv_cpu_table); + + while (equiv_cpu_table[i].equiv_cpu != 0) { + if (equiv_cpu == equiv_cpu_table[i].equiv_cpu) + return equiv_cpu_table[i].installed_cpu; + i++; + } + return 0; +} + static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig) { struct cpuinfo_x86 *c = &cpu_data(cpu); @@ -119,22 +149,6 @@ static unsigned int verify_ucode_size(int cpu, u32 patch_size, return patch_size; } -static u16 find_equiv_id(unsigned int cpu) -{ - struct ucode_cpu_info *uci = ucode_cpu_info + cpu; - int i = 0; - - BUG_ON(equiv_cpu_table == NULL); - - while (equiv_cpu_table[i].installed_cpu != 0) { - if (uci->cpu_sig.sig == equiv_cpu_table[i].installed_cpu) - return equiv_cpu_table[i].equiv_cpu; - - i++; - } - return 0; -} - /* * we signal a good patch is found by returning its size > 0 */ |