[v2 00/13] Make microcode late loading more robust

[Ashok Raj]

Hi Thomas & Boris

This series is based on the recent cleanup series from Boris, here below:

https://lore.kernel.org/lkml/20221028142638.28498-1-bp@xxxxxxxxx/

Previous post here:

https://lore.kernel.org/lkml/20221014200913.14644-1-ashok.raj@xxxxxxxxx/

Ashok Raj (12):
  x86/microcode/intel: Prevent printing updated microcode rev multiple
    times
  x86/microcode/intel: Print old and new rev after early microcode
    update
  x86/microcode/intel: Fix a hang if early loading microcode fails
  x86/microcode: Fix microcode_check() compare after a new uCode update
  x86/microcode: Move late-load warning to earlier where kernel taint
    happens
  x86/microcode: Place siblings in NMI loop while update in progress
  x86/mce: Warn of a microcode update is in progress when MCE arrives
  x86/microcode/intel: Add minimum required revision to microcode header
  x86/microcode: Add a generic mechanism to declare support for minrev
  x86/microcode/intel: Drop wbinvd() from microcode loading
  x86/microcode: Display revisions only when update is successful
  x86/microcode/intel: Add ability to update microcode even if rev is
    unchanged

Jacob Pan (1):
  x86/ipi: Support sending NMI_VECTOR as self ipi

 arch/x86/include/asm/microcode.h       |  43 ++++++
 arch/x86/include/asm/microcode_intel.h |   4 +-
 arch/x86/include/asm/processor.h       |   1 -
 arch/x86/kernel/apic/ipi.c             |   6 +-
 arch/x86/kernel/apic/x2apic_phys.c     |   6 +-
 arch/x86/kernel/cpu/common.c           |  32 ----
 arch/x86/kernel/cpu/mce/core.c         |   5 +
 arch/x86/kernel/cpu/microcode/amd.c    |   2 +-
 arch/x86/kernel/cpu/microcode/core.c   | 200 +++++++++++++++++++++++--
 arch/x86/kernel/cpu/microcode/intel.c  |  96 ++++++++----
 arch/x86/kernel/cpu/microcode/nmi.c    |  71 +++++++++
 arch/x86/kernel/nmi.c                  |   7 +
 arch/x86/kernel/nmi_selftest.c         |  32 ++++
 arch/x86/Kconfig                       |   7 +-
 arch/x86/kernel/cpu/microcode/Makefile |   1 +
 15 files changed, 427 insertions(+), 86 deletions(-)
 create mode 100644 arch/x86/kernel/cpu/microcode/nmi.c

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2.34.1