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Diffstat (limited to 'arch/x86/kernel/cpu/microcode/intel.c')
-rw-r--r--arch/x86/kernel/cpu/microcode/intel.c29
1 files changed, 10 insertions, 19 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 6024feb98d29..857e608af641 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -339,16 +339,9 @@ static enum ucode_state __apply_microcode(struct ucode_cpu_info *uci,
static enum ucode_state apply_microcode_early(struct ucode_cpu_info *uci)
{
struct microcode_intel *mc = uci->mc;
- enum ucode_state ret;
- u32 cur_rev, date;
+ u32 cur_rev;
- ret = __apply_microcode(uci, mc, &cur_rev);
- if (ret == UCODE_UPDATED) {
- date = mc->hdr.date;
- pr_info_once("updated early: 0x%x -> 0x%x, date = %04x-%02x-%02x\n",
- cur_rev, mc->hdr.rev, date & 0xffff, date >> 24, (date >> 16) & 0xff);
- }
- return ret;
+ return __apply_microcode(uci, mc, &cur_rev);
}
static __init bool load_builtin_intel_microcode(struct cpio_data *cp)
@@ -377,14 +370,14 @@ static __init struct microcode_intel *get_microcode_blob(struct ucode_cpu_info *
{
struct cpio_data cp;
+ intel_collect_cpu_info(&uci->cpu_sig);
+
if (!load_builtin_intel_microcode(&cp))
cp = find_microcode_in_initrd(ucode_path);
if (!(cp.data && cp.size))
return NULL;
- intel_collect_cpu_info(&uci->cpu_sig);
-
return scan_microcode(cp.data, cp.size, uci, save);
}
@@ -413,13 +406,17 @@ static int __init save_builtin_microcode(void)
early_initcall(save_builtin_microcode);
/* Load microcode on BSP from initrd or builtin blobs */
-void __init load_ucode_intel_bsp(void)
+void __init load_ucode_intel_bsp(struct early_load_data *ed)
{
struct ucode_cpu_info uci;
uci.mc = get_microcode_blob(&uci, false);
- if (uci.mc && apply_microcode_early(&uci) == UCODE_UPDATED)
+ ed->old_rev = uci.cpu_sig.rev;
+
+ if (uci.mc && apply_microcode_early(&uci) == UCODE_UPDATED) {
ucode_patch_va = UCODE_BSP_LOADED;
+ ed->new_rev = uci.cpu_sig.rev;
+ }
}
void load_ucode_intel_ap(void)
@@ -460,12 +457,6 @@ static enum ucode_state apply_microcode_late(int cpu)
if (ret != UCODE_UPDATED && ret != UCODE_OK)
return ret;
- if (!cpu && uci->cpu_sig.rev != cur_rev) {
- pr_info("Updated to revision 0x%x, date = %04x-%02x-%02x\n",
- uci->cpu_sig.rev, mc->hdr.date & 0xffff, mc->hdr.date >> 24,
- (mc->hdr.date >> 16) & 0xff);
- }
-
cpu_data(cpu).microcode = uci->cpu_sig.rev;
if (!cpu)
boot_cpu_data.microcode = uci->cpu_sig.rev;