linux-kernel - [GIT PULL] x86/microcode for v6.18-rc1

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Message-ID: <20250926100708.GAaNZlzKcAZilZHRZb@fat_crate.local>
Date: Fri, 26 Sep 2025 12:07:08 +0200
From: Borislav Petkov <bp@...en8.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] x86/microcode for v6.18-rc1

Hi Linus,

please pull the x86/microcode lineup for v6.18-rc1.

Thx.

---

The following changes since commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0:

  Linux 6.17-rc4 (2025-08-31 15:33:07 -0700)

are available in the Git repository at:

  ssh://git@...olite.kernel.org/pub/scm/linux/kernel/git/tip/tip tags/x86_microcode_for_v6.18_rc1

for you to fetch changes up to 43181a47263dd9f2bee0afd688a841b09f9b7d12:

  x86/microcode: Add microcode loader debugging functionality (2025-09-04 16:15:19 +0200)

----------------------------------------------------------------
- Add infrastructure to be able to debug the microcode loader in a guest

- Refresh Intel old microcode revisions

----------------------------------------------------------------
Borislav Petkov (AMD) (2):
      x86/microcode: Add microcode= cmdline parsing
      x86/microcode: Add microcode loader debugging functionality

Sohil Mehta (1):
      x86/microcode/intel: Refresh the revisions that determine old_microcode

 Documentation/admin-guide/kernel-parameters.txt  | 12 +++-
 arch/x86/Kconfig                                 | 16 ++++-
 arch/x86/kernel/cpu/microcode/amd.c              | 73 ++++++++++++++------
 arch/x86/kernel/cpu/microcode/core.c             | 47 +++++++++++--
 arch/x86/kernel/cpu/microcode/intel-ucode-defs.h | 86 +++++++++++++-----------
 arch/x86/kernel/cpu/microcode/internal.h         |  9 +++
 6 files changed, 174 insertions(+), 69 deletions(-)


-- 
Regards/Gruss,
    Boris.

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