[GIT PULL] x86/cpu changes for v5.9

[Ingo Molnar <mingo@kernel.org>]

Linus,

Please pull the latest x86/cpu git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cpu-2020-08-03

   # HEAD: f69ca629d89d65737537e05308ac531f7bb07d5c x86/cpu: Refactor sync_core() for readability

Misc changes:

 - Prepare for Intel's new SERIALIZE instruction
 - Enable split-lock debugging on more CPUs
 - Add more Intel CPU models
 - Optimize stack canary initialization a bit
 - Simplify the Spectre logic a bit

  out-of-topic modifications in x86-cpu-2020-08-03:
  ---------------------------------------------------
  drivers/misc/sgi-gru/grufault.c    # 9998a9832c40: x86/cpu: Relocate sync_core(
  drivers/misc/sgi-gru/gruhandles.c  # 9998a9832c40: x86/cpu: Relocate sync_core(
  drivers/misc/sgi-gru/grukservices.c# 9998a9832c40: x86/cpu: Relocate sync_core(

 Thanks,

	Ingo

------------------>
Borislav Petkov (1):
      x86/speculation: Merge one test in spectre_v2_user_select_mitigation()

Brian Gerst (1):
      x86/stackprotector: Pre-initialize canary for secondary CPUs

Fenghua Yu (1):
      x86/split_lock: Enable the split lock feature on Sapphire Rapids and Alder Lake CPUs

Ricardo Neri (3):
      x86/cpufeatures: Add enumeration for SERIALIZE instruction
      x86/cpu: Relocate sync_core() to sync_core.h
      x86/cpu: Refactor sync_core() for readability

Tony Luck (1):
      x86/cpu: Add Lakefield, Alder Lake and Rocket Lake models to the to Intel CPU family


 arch/x86/include/asm/cpufeatures.h    |  1 +
 arch/x86/include/asm/intel-family.h   |  7 ++++
 arch/x86/include/asm/processor.h      | 64 -------------------------------
 arch/x86/include/asm/special_insns.h  |  1 -
 arch/x86/include/asm/stackprotector.h | 12 ++++++
 arch/x86/include/asm/sync_core.h      | 72 +++++++++++++++++++++++++++++++++++
 arch/x86/kernel/alternative.c         |  1 +
 arch/x86/kernel/cpu/bugs.c            | 13 ++-----
 arch/x86/kernel/cpu/intel.c           |  2 +
 arch/x86/kernel/cpu/mce/core.c        |  1 +
 arch/x86/kernel/smpboot.c             | 14 +------
 arch/x86/xen/smp_pv.c                 |  2 -
 drivers/misc/sgi-gru/grufault.c       |  1 +
 drivers/misc/sgi-gru/gruhandles.c     |  1 +
 drivers/misc/sgi-gru/grukservices.c   |  1 +
 15 files changed, 105 insertions(+), 88 deletions(-)