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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-09-30 12:41:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-09-30 12:41:10 -0700 |
| commit | bd91417a962db247d41a22720a79e68a509a9353 (patch) | |
| tree | 6a6de0d88ef4a4fa5e0cce09749fafe0453d10be /Documentation/admin-guide | |
| parent | 45d96dd2c62899ff8a3f07e3b8109656062b457a (diff) | |
| parent | 43181a47263dd9f2bee0afd688a841b09f9b7d12 (diff) | |
Merge tag 'x86_microcode_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode loading updates from Borislav Petkov:
- Add infrastructure to be able to debug the microcode loader in a guest
- Refresh Intel old microcode revisions
* tag 'x86_microcode_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Add microcode loader debugging functionality
x86/microcode: Add microcode= cmdline parsing
x86/microcode/intel: Refresh the revisions that determine old_microcode
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index a3f358fbcbfc..6607dbb1be44 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3767,8 +3767,16 @@ mga= [HW,DRM] - microcode.force_minrev= [X86] - Format: <bool> + microcode= [X86] Control the behavior of the microcode loader. + Available options, comma separated: + + base_rev=X - with <X> with format: <u32> + Set the base microcode revision of each thread when in + debug mode. + + dis_ucode_ldr: disable the microcode loader + + force_minrev: Enable or disable the microcode minimal revision enforcement for the runtime microcode loader. |