[GIT PULL] x86/platform updates for v6.17: AMD Hardware Feedback Interface (HFI) support

[GIT PULL] x86/platform updates for v6.17: AMD Hardware Feedback Interface (HFI) support

[Ingo Molnar]

Linus,

Please pull the latest x86/platform Git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-platform-2025-07-29

   # HEAD: f12682148262aa6deed32c0593c67658573d0600 x86/itmt: Add debugfs file to show core priorities

x86/platform changes for v6.17:

This tree adds support for the AMD hardware feedback interface (HFI),
by Perry Yuan.

 Thanks,

	Ingo

------------------>
Mario Limonciello (5):
      MAINTAINERS: Add maintainer entry for AMD Hardware Feedback Driver
      cpufreq/amd-pstate: Disable preferred cores on designs with workload classification
      platform/x86/amd: hfi: Set ITMT priority from ranking data
      platform/x86/amd: hfi: Add debugfs support
      x86/itmt: Add debugfs file to show core priorities

Perry Yuan (8):
      Documentation/x86: Add AMD Hardware Feedback Interface documentation
      x86/msr-index: Add AMD workload classification MSRs
      platform/x86: hfi: Introduce AMD Hardware Feedback Interface Driver
      platform/x86: hfi: Parse CPU core ranking data from shared memory
      platform/x86: hfi: Init per-cpu scores for each class
      platform/x86: hfi: Add online and offline callback support
      platform/x86: hfi: Add power management callback
      x86/process: Clear hardware feedback history for AMD processors


 Documentation/arch/x86/amd-hfi.rst    | 133 ++++++++
 Documentation/arch/x86/index.rst      |   1 +
 MAINTAINERS                           |   9 +
 arch/x86/include/asm/msr-index.h      |   5 +
 arch/x86/kernel/itmt.c                |  23 ++
 arch/x86/kernel/process_64.c          |   4 +
 drivers/cpufreq/amd-pstate.c          |   7 +
 drivers/platform/x86/amd/Kconfig      |   1 +
 drivers/platform/x86/amd/Makefile     |   1 +
 drivers/platform/x86/amd/hfi/Kconfig  |  18 ++
 drivers/platform/x86/amd/hfi/Makefile |   7 +
 drivers/platform/x86/amd/hfi/hfi.c    | 551 ++++++++++++++++++++++++++++++++++
 12 files changed, 760 insertions(+)
 create mode 100644 Documentation/arch/x86/amd-hfi.rst
 create mode 100644 drivers/platform/x86/amd/hfi/Kconfig
 create mode 100644 drivers/platform/x86/amd/hfi/Makefile
 create mode 100644 drivers/platform/x86/amd/hfi/hfi.c

Re: [GIT PULL] x86/platform updates for v6.17: AMD Hardware Feedback Interface (HFI) support

[pr-tracker-bot]

The pull request you sent on Tue, 29 Jul 2025 09:25:41 +0200:

> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-platform-2025-07-29

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/98e8f2c0e0930feee6a2538450c74d9d7de0a9cc

Thank you!

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