linux-kernel - [GIT PULL] x86/cpu updates for v6.4-rc1

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Message-ID: <20230424135407.GDZEaJ/7ELCwj7rg3W@fat_crate.local>
Date:   Mon, 24 Apr 2023 15:54:07 +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/cpu updates for v6.4-rc1

Hi Linus,

please pull the x86/cpu updates for 6.4.

Thx.

---

The following changes since commit fe15c26ee26efa11741a7b632e9f23b01aca4cc6:

  Linux 6.3-rc1 (2023-03-05 14:52:03 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_cpu_for_v6.4_rc1

for you to fetch changes up to 36168bc061b4368ad19e82b06a6463c95d3bb9a7:

  x86/cpu: Add Xeon Emerald Rapids to list of CPUs that support PPIN (2023-04-05 20:01:52 +0200)

----------------------------------------------------------------
- Add Emerald Rapids to the list of Intel models supporting PPIN

- Finally use a CPUID bit for split lock detection instead of
  enumerating every model

- Make sure automatic IBRS is set on AMD, even though the AP bringup
  code does that now by replicating the MSR which contains the switch

----------------------------------------------------------------
Borislav Petkov (AMD) (1):
      x86/CPU/AMD: Make sure EFER[AIBRSE] is set

Fenghua Yu (1):
      x86/split_lock: Enumerate architectural split lock disable bit

Tony Luck (1):
      x86/cpu: Add Xeon Emerald Rapids to list of CPUs that support PPIN

 arch/x86/kernel/cpu/amd.c    | 11 +++++++++
 arch/x86/kernel/cpu/bugs.c   | 10 +-------
 arch/x86/kernel/cpu/common.c |  1 +
 arch/x86/kernel/cpu/cpu.h    |  8 ++++++
 arch/x86/kernel/cpu/intel.c  | 59 +++++++++++++++++---------------------------
 5 files changed, 43 insertions(+), 46 deletions(-)

-- 
Regards/Gruss,
    Boris.

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