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- Correct minor issues after the microcode revision reporting sanitization

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Merge tag 'x86_microcode_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 microcode updates from Borislav Petkov:

 - Correct minor issues after the microcode revision reporting
   sanitization

* tag 'x86_microcode_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/microcode/intel: Set new revision only after a successful update
  x86/microcode/intel: Remove redundant microcode late updated message
This commit is contained in:
Linus Torvalds 2024-01-08 13:24:30 -08:00
parent 1dee7f509d 9c21ea53e6
commit 6e0b939180
1 changed files with 7 additions and 13 deletions
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20
arch/x86/kernel/cpu/microcode/intel.c
View file

@ -370,14 +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);
}
@ -410,13 +410,13 @@ void __init load_ucode_intel_bsp(struct early_load_data *ed)
{
struct ucode_cpu_info uci;
ed->old_rev = intel_get_microcode_revision();
uci.mc = get_microcode_blob(&uci, false);
if (uci.mc && apply_microcode_early(&uci) == UCODE_UPDATED)
ucode_patch_va = UCODE_BSP_LOADED;
ed->old_rev = uci.cpu_sig.rev;
ed->new_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)
@ -457,12 +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;