diff options
| -rw-r--r-- | arch/x86/kernel/microcode_amd.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 8fdf7d99b804..25d34b177482 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c | |||
| @@ -82,6 +82,7 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig) | |||
| 82 | { | 82 | { |
| 83 | struct cpuinfo_x86 *c = &cpu_data(cpu); | 83 | struct cpuinfo_x86 *c = &cpu_data(cpu); |
| 84 | 84 | ||
| 85 | csig->sig = cpuid_eax(0x00000001); | ||
| 85 | csig->rev = c->microcode; | 86 | csig->rev = c->microcode; |
| 86 | pr_info("CPU%d: patch_level=0x%08x\n", cpu, csig->rev); | 87 | pr_info("CPU%d: patch_level=0x%08x\n", cpu, csig->rev); |
| 87 | 88 | ||
| @@ -118,16 +119,15 @@ static unsigned int verify_ucode_size(int cpu, u32 patch_size, | |||
| 118 | return patch_size; | 119 | return patch_size; |
| 119 | } | 120 | } |
| 120 | 121 | ||
| 121 | static u16 find_equiv_id(void) | 122 | static u16 find_equiv_id(unsigned int cpu) |
| 122 | { | 123 | { |
| 123 | unsigned int current_cpu_id, i = 0; | 124 | struct ucode_cpu_info *uci = ucode_cpu_info + cpu; |
| 125 | int i = 0; | ||
| 124 | 126 | ||
| 125 | BUG_ON(equiv_cpu_table == NULL); | 127 | BUG_ON(equiv_cpu_table == NULL); |
| 126 | 128 | ||
| 127 | current_cpu_id = cpuid_eax(0x00000001); | ||
| 128 | |||
| 129 | while (equiv_cpu_table[i].installed_cpu != 0) { | 129 | while (equiv_cpu_table[i].installed_cpu != 0) { |
| 130 | if (current_cpu_id == equiv_cpu_table[i].installed_cpu) | 130 | if (uci->cpu_sig.sig == equiv_cpu_table[i].installed_cpu) |
| 131 | return equiv_cpu_table[i].equiv_cpu; | 131 | return equiv_cpu_table[i].equiv_cpu; |
| 132 | 132 | ||
| 133 | i++; | 133 | i++; |
| @@ -150,7 +150,7 @@ static int get_matching_microcode(int cpu, const u8 *ucode_ptr, | |||
| 150 | patch_size = *(u32 *)(ucode_ptr + 4); | 150 | patch_size = *(u32 *)(ucode_ptr + 4); |
| 151 | *current_size = patch_size + SECTION_HDR_SIZE; | 151 | *current_size = patch_size + SECTION_HDR_SIZE; |
| 152 | 152 | ||
| 153 | equiv_cpu_id = find_equiv_id(); | 153 | equiv_cpu_id = find_equiv_id(cpu); |
| 154 | if (!equiv_cpu_id) | 154 | if (!equiv_cpu_id) |
| 155 | return 0; | 155 | return 0; |
| 156 | 156 | ||
