linux-kernel - [GIT PULL] x86/microcode for v6.3-rc1

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Date:   Mon, 20 Feb 2023 18:57:49 +0100
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 v6.3-rc1

Hi Linus,

please pull a bunch of x86 microcode loader updates and fixes for 6.3.

Thx.

---

The following changes since commit 1b929c02afd37871d5afb9d498426f83432e71c2:

  Linux 6.2-rc1 (2022-12-25 13:41:39 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_microcode_for_v6.3_rc1

for you to fetch changes up to f33e0c893b22bf94d7985f1f2aa3872237560c74:

  x86/microcode/core: Return an error only when necessary (2023-02-06 13:41:31 +0100)

----------------------------------------------------------------
- Fix mixed steppings support on AMD which got broken somewhere along
  the way

- Improve revision reporting

- Properly check CPUID capabilities after late microcode upgrade to
  avoid false positives

- A garden variety of other small fixes

----------------------------------------------------------------
Ashok Raj (6):
      x86/microcode: Add a parameter to microcode_check() to store CPU capabilities
      x86/microcode: Check CPU capabilities after late microcode update correctly
      x86/microcode: Adjust late loading result reporting message
      x86/microcode/intel: Pass the microcode revision to print_ucode_info() directly
      x86/microcode/intel: Print old and new revision during early boot
      x86/microcode: Allow only "1" as a late reload trigger value

Borislav Petkov (2):
      x86/microcode/AMD: Rename a couple of functions
      x86/microcode/AMD: Handle multiple glued containers properly

Borislav Petkov (AMD) (4):
      x86/microcode/amd: Remove load_microcode_amd()'s bsp parameter
      x86/microcode/AMD: Add a @cpu parameter to the reloading functions
      x86/microcode/AMD: Fix mixed steppings support
      x86/microcode/core: Return an error only when necessary

Guangju Wang[baidu] (1):
      x86/microcode: Use the DEVICE_ATTR_RO() macro

 arch/x86/include/asm/microcode.h      |  4 +-
 arch/x86/include/asm/microcode_amd.h  |  4 +-
 arch/x86/include/asm/processor.h      |  3 +-
 arch/x86/kernel/cpu/common.c          | 45 ++++++++++++++-------
 arch/x86/kernel/cpu/microcode/amd.c   | 76 +++++++++++++++++------------------
 arch/x86/kernel/cpu/microcode/core.c  | 45 ++++++++++++---------
 arch/x86/kernel/cpu/microcode/intel.c | 44 +++++++++-----------
 7 files changed, 117 insertions(+), 104 deletions(-)

-- 
Regards/Gruss,
    Boris.

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