diff options
-rw-r--r-- | arch/x86/kernel/cpu/microcode/intel_early.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel_early.c b/arch/x86/kernel/cpu/microcode/intel_early.c index f04d0d6638ca..ec9df6f9cd47 100644 --- a/arch/x86/kernel/cpu/microcode/intel_early.c +++ b/arch/x86/kernel/cpu/microcode/intel_early.c @@ -34,8 +34,6 @@ static struct mc_saved_data { struct microcode_intel **mc_saved; } mc_saved_data; -static struct microcode_intel bsp_patch; - static enum ucode_state generic_load_microcode_early(struct microcode_intel **mc_saved_p, unsigned int mc_saved_count, @@ -717,8 +715,7 @@ _load_ucode_intel_bsp(struct mc_saved_data *mc_saved_data, unsigned long *mc_saved_in_initrd, unsigned long initrd_start_early, unsigned long initrd_end_early, - struct ucode_cpu_info *uci, - struct microcode_intel *bsp) + struct ucode_cpu_info *uci) { enum ucode_state ret; @@ -729,10 +726,8 @@ _load_ucode_intel_bsp(struct mc_saved_data *mc_saved_data, ret = load_microcode(mc_saved_data, mc_saved_in_initrd, initrd_start_early, uci); - if (ret == UCODE_OK) { + if (ret == UCODE_OK) apply_microcode_early(uci, true); - memcpy(bsp, uci->mc, sizeof(*bsp)); - } } void __init @@ -741,12 +736,10 @@ load_ucode_intel_bsp(void) u64 ramdisk_image, ramdisk_size; unsigned long initrd_start_early, initrd_end_early; struct ucode_cpu_info uci; - struct microcode_intel *bsp_p; #ifdef CONFIG_X86_32 struct boot_params *boot_params_p; boot_params_p = (struct boot_params *)__pa_nodebug(&boot_params); - bsp_p = (struct microcode_intel *)__pa_nodebug(&bsp_patch); ramdisk_image = boot_params_p->hdr.ramdisk_image; ramdisk_size = boot_params_p->hdr.ramdisk_size; initrd_start_early = ramdisk_image; @@ -755,9 +748,8 @@ load_ucode_intel_bsp(void) _load_ucode_intel_bsp( (struct mc_saved_data *)__pa_nodebug(&mc_saved_data), (unsigned long *)__pa_nodebug(&mc_saved_in_initrd), - initrd_start_early, initrd_end_early, &uci, bsp_p); + initrd_start_early, initrd_end_early, &uci); #else - bsp_p = &bsp_patch; ramdisk_image = boot_params.hdr.ramdisk_image; ramdisk_size = boot_params.hdr.ramdisk_size; initrd_start_early = ramdisk_image + PAGE_OFFSET; @@ -765,7 +757,7 @@ load_ucode_intel_bsp(void) _load_ucode_intel_bsp(&mc_saved_data, mc_saved_in_initrd, initrd_start_early, initrd_end_early, - &uci, bsp_p); + &uci); #endif } @@ -805,11 +797,17 @@ void load_ucode_intel_ap(void) void reload_ucode_intel(void) { struct ucode_cpu_info uci; + enum ucode_state ret; - if (!bsp_patch.hdr.rev) + if (!mc_saved_data.mc_saved_count) return; - uci.mc = &bsp_patch; + collect_cpu_info_early(&uci); + + ret = generic_load_microcode_early(mc_saved_data.mc_saved, + mc_saved_data.mc_saved_count, &uci); + if (ret != UCODE_OK) + return; apply_microcode_early(&uci, false); } |