From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
the arch/x86 maintainers <x86@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: [GIT PULL] x86/platform updates for v6.17: AMD Hardware Feedback Interface (HFI) support
Date: Tue, 29 Jul 2025 09:25:41 +0200 [thread overview]
Message-ID: <aIh3dfKMDmR8pN2B@gmail.com> (raw)
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
next reply other threads:[~2025-07-29 7:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-29 7:25 Ingo Molnar [this message]
2025-07-30 3:40 ` pr-tracker-bot
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