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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-11-26 08:42:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-11-26 08:42:42 -0800 |
| commit | 4892711acee0915a8a4ae02e1af3dc70ce000024 (patch) | |
| tree | 40a9ec615fa837655ebceebd2d056854609b7d98 /arch/x86/kernel/cpu/microcode/intel.c | |
| parent | e81fe505202fdc07b1925aa70fca5e2a714eb259 (diff) | |
| parent | 080990aa3344123673f686cda2df0d1b0deee046 (diff) | |
| download | linux-4892711acee0915a8a4ae02e1af3dc70ce000024.tar.gz linux-4892711acee0915a8a4ae02e1af3dc70ce000024.tar.bz2 linux-4892711acee0915a8a4ae02e1af3dc70ce000024.zip | |
Merge tag 'x86-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode fixes from Ingo Molnar:
"Fix/enhance x86 microcode version reporting: fix the bootup log spam,
and remove the driver version announcement to avoid version confusion
when distros backport fixes"
* tag 'x86-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Rework early revisions reporting
x86/microcode: Remove the driver announcement and version
Diffstat (limited to 'arch/x86/kernel/cpu/microcode/intel.c')
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/intel.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 6024feb98d29..070426b9895f 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) @@ -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; + 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->new_rev = uci.cpu_sig.rev; } void load_ucode_intel_ap(void) |