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-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 45db4d2ebd01..e9f4d762aa5b 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -320,7 +320,7 @@ void load_ucode_amd_ap(unsigned int cpuid_1_eax)
320} 320}
321 321
322static enum ucode_state 322static enum ucode_state
323load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size); 323load_microcode_amd(bool save, u8 family, const u8 *data, size_t size);
324 324
325int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax) 325int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax)
326{ 326{
@@ -338,8 +338,7 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax)
338 if (!desc.mc) 338 if (!desc.mc)
339 return -EINVAL; 339 return -EINVAL;
340 340
341 ret = load_microcode_amd(smp_processor_id(), x86_family(cpuid_1_eax), 341 ret = load_microcode_amd(true, x86_family(cpuid_1_eax), desc.data, desc.size);
342 desc.data, desc.size);
343 if (ret != UCODE_OK) 342 if (ret != UCODE_OK)
344 return -EINVAL; 343 return -EINVAL;
345 344
@@ -675,7 +674,7 @@ static enum ucode_state __load_microcode_amd(u8 family, const u8 *data,
675} 674}
676 675
677static enum ucode_state 676static enum ucode_state
678load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size) 677load_microcode_amd(bool save, u8 family, const u8 *data, size_t size)
679{ 678{
680 enum ucode_state ret; 679 enum ucode_state ret;
681 680
@@ -689,8 +688,8 @@ load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size)
689 688
690#ifdef CONFIG_X86_32 689#ifdef CONFIG_X86_32
691 /* save BSP's matching patch for early load */ 690 /* save BSP's matching patch for early load */
692 if (cpu_data(cpu).cpu_index == boot_cpu_data.cpu_index) { 691 if (save) {
693 struct ucode_patch *p = find_patch(cpu); 692 struct ucode_patch *p = find_patch(0);
694 if (p) { 693 if (p) {
695 memset(amd_ucode_patch, 0, PATCH_MAX_SIZE); 694 memset(amd_ucode_patch, 0, PATCH_MAX_SIZE);
696 memcpy(amd_ucode_patch, p->data, min_t(u32, ksize(p->data), 695 memcpy(amd_ucode_patch, p->data, min_t(u32, ksize(p->data),
@@ -722,11 +721,12 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
722{ 721{
723 char fw_name[36] = "amd-ucode/microcode_amd.bin"; 722 char fw_name[36] = "amd-ucode/microcode_amd.bin";
724 struct cpuinfo_x86 *c = &cpu_data(cpu); 723 struct cpuinfo_x86 *c = &cpu_data(cpu);
724 bool bsp = c->cpu_index == boot_cpu_data.cpu_index;
725 enum ucode_state ret = UCODE_NFOUND; 725 enum ucode_state ret = UCODE_NFOUND;
726 const struct firmware *fw; 726 const struct firmware *fw;
727 727
728 /* reload ucode container only on the boot cpu */ 728 /* reload ucode container only on the boot cpu */
729 if (!refresh_fw || c->cpu_index != boot_cpu_data.cpu_index) 729 if (!refresh_fw || !bsp)
730 return UCODE_OK; 730 return UCODE_OK;
731 731
732 if (c->x86 >= 0x15) 732 if (c->x86 >= 0x15)
@@ -743,7 +743,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
743 goto fw_release; 743 goto fw_release;
744 } 744 }
745 745
746 ret = load_microcode_amd(cpu, c->x86, fw->data, fw->size); 746 ret = load_microcode_amd(bsp, c->x86, fw->data, fw->size);
747 747
748 fw_release: 748 fw_release:
749 release_firmware(fw); 749 release_firmware(fw);