diff options
Diffstat (limited to 'arch/x86/kernel')
-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 | ||