linux-kernel - [GIT PULL] x86 fixes

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Message-ID: <aQW2Imsfgixz_jBc@gmail.com>
Date: Sat, 1 Nov 2025 08:26:26 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: [GIT PULL] x86 fixes

Linus,

Please pull the latest x86/urgent Git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-urgent-2025-11-01

   # HEAD: 9b041a4b66b3b62c30251e700b5688324cf66625 x86/mm: Ensure clear_page() variants always have __kcfi_typeid_ symbols

Miscellaneous fixes:

 - Limit AMD microcode Entrysign sha256 signature checking to
   known CPU generations.

 - Disable AMD RDSEED32 on certain Zen5 CPUs that have a
   microcode version before when the microcode-based fix was
   issued for the AMD-SB-7055 erratum.

 - Fix FPU AMD XFD state synchronization on signal delivery

 - Fix (work around) a SSE4a-disassembly related build failure
   on X86_NATIVE_CPU=y builds.

 - Extend the AMD Zen6 model space with a new range of models

 - Fix <asm/intel-family.h> CPU model comments

 - Fix the CONFIG_CFI=y and CONFIG_LTO_CLANG_FULL=y build, which
   was unhappy due to missing kCFI type annotations of clear_page()
   variants.

 Thanks,

	Ingo

------------------>
Borislav Petkov (AMD) (2):
      x86/microcode/AMD: Limit Entrysign signature checking to known generations
      x86/CPU/AMD: Extend Zen6 model range

Chang S. Bae (1):
      x86/fpu: Ensure XFD state on signal delivery

Gregory Price (1):
      x86/CPU/AMD: Add RDSEED fix for Zen5

Nathan Chancellor (1):
      x86/mm: Ensure clear_page() variants always have __kcfi_typeid_ symbols

Peter Zijlstra (1):
      x86/build: Disable SSE4a

Tony Luck (1):
      x86/cpu: Add/fix core comments for {Panther,Nova} Lake


 arch/x86/Makefile                   |  2 +-
 arch/x86/include/asm/intel-family.h |  6 +++---
 arch/x86/include/asm/page_64.h      |  3 +++
 arch/x86/kernel/cpu/amd.c           | 12 +++++++++++-
 arch/x86/kernel/cpu/microcode/amd.c | 20 +++++++++++++++++++-
 arch/x86/kernel/fpu/core.c          |  3 +++
 6 files changed, 40 insertions(+), 6 deletions(-)