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-rw-r--r--arch/x86/kernel/microcode_amd.c12
-rw-r--r--arch/x86/kernel/microcode_core.c6
2 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 73465aab28f8..8a2ce8fd41c0 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -82,11 +82,6 @@ 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 if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10) {
86 pr_warning("CPU%d: family %d not supported\n", cpu, c->x86);
87 return -1;
88 }
89
90 csig->rev = c->microcode; 85 csig->rev = c->microcode;
91 pr_info("CPU%d: patch_level=0x%08x\n", cpu, csig->rev); 86 pr_info("CPU%d: patch_level=0x%08x\n", cpu, csig->rev);
92 87
@@ -380,6 +375,13 @@ static struct microcode_ops microcode_amd_ops = {
380 375
381struct microcode_ops * __init init_amd_microcode(void) 376struct microcode_ops * __init init_amd_microcode(void)
382{ 377{
378 struct cpuinfo_x86 *c = &cpu_data(0);
379
380 if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10) {
381 pr_warning("AMD CPU family 0x%x not supported\n", c->x86);
382 return NULL;
383 }
384
383 patch = (void *)get_zeroed_page(GFP_KERNEL); 385 patch = (void *)get_zeroed_page(GFP_KERNEL);
384 if (!patch) 386 if (!patch)
385 return NULL; 387 return NULL;
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index d389e74342a3..c9bda6d6035c 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -526,11 +526,11 @@ static int __init microcode_init(void)
526 microcode_ops = init_intel_microcode(); 526 microcode_ops = init_intel_microcode();
527 else if (c->x86_vendor == X86_VENDOR_AMD) 527 else if (c->x86_vendor == X86_VENDOR_AMD)
528 microcode_ops = init_amd_microcode(); 528 microcode_ops = init_amd_microcode();
529 529 else
530 if (!microcode_ops) {
531 pr_err("no support for this CPU vendor\n"); 530 pr_err("no support for this CPU vendor\n");
531
532 if (!microcode_ops)
532 return -ENODEV; 533 return -ENODEV;
533 }
534 534
535 microcode_pdev = platform_device_register_simple("microcode", -1, 535 microcode_pdev = platform_device_register_simple("microcode", -1,
536 NULL, 0); 536 NULL, 0);