Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v7.0-rc7 2026-03-03T18:18:53+00:00 2026-03-03T18:18:53+00:00 Zhang Rui rui.zhang@intel.com 2026-02-09T03:24:41+00:00 urn:sha1:3817b1d34432d3d83a61576719570d04c341b7cd On modern Intel platforms, the intel_pstate driver is commonly used and it provides turbo boost control via /sys/devices/system/cpu/intel_pstate/no_turbo. However, cpupower doesn't handle this. it 1. shows turbo boost as "active" blindly for Intel platforms 2. controls turbo boost functionality via the generic /sys/devices/system/cpu/cpufreq/boost sysfs interface only. Enhance the cpupower tool to ensure the "--boost" command works seamlessly on Intel platforms with intel_pstate driver running. Without this patch, $ echo 1 | sudo tee /sys/devices/system/cpu/intel_pstate/no_turbo 1 $ sudo cpupower frequency-info --boost analyzing CPU 21: boost state support: Supported: yes Active: yes $ sudo cpupower set --boost 0 Error setting turbo-boost $ sudo cpupower set --boost 1 Error setting turbo-boost With this patch, $ cat /sys/devices/system/cpu/intel_pstate/no_turbo 0 $ sudo cpupower set --boost 0 $ sudo cpupower frequency-info --boost analyzing CPU 21: boost state support: Supported: yes Active: no $ cat /sys/devices/system/cpu/intel_pstate/no_turbo 1 $ sudo cpupower set --boost 1 $ sudo cpupower frequency-info --boost analyzing CPU 28: boost state support: Supported: yes Active: yes $ cat /sys/devices/system/cpu/intel_pstate/no_turbo 0 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> 2026-03-03T18:07:06+00:00 Jan Kiszka jan.kiszka@siemens.com 2026-02-21T06:21:55+00:00 urn:sha1:50ad1a31bed898787e12b73cb5716fe7960cdde4 Extend the systemd service so that it can be used for tuning the Energy Performance Preference (EPP) as well. Available options can be read from /sys/devices/system/cpu/cpufreq/policy0/energy_performance_available_preferences. The desired one can then be set in cpupower-service.conf. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> 2026-02-28T20:13:49+00:00 Kaushlendra Kumar kaushlendra.kumar@intel.com 2026-02-04T05:21:40+00:00 urn:sha1:dff8e3c025862001956b8edb29c1287c9efcd902 Fix error where microWatts and microJoules units were interchanged. Signed-off-by: Kaushlendra Kumar <kaushlendra.kumar@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> 2026-02-18T17:52:38+00:00 Linus Torvalds torvalds@linux-foundation.org 2026-02-18T17:52:38+00:00 urn:sha1:7ad54bbbc9c512ba3bc90e4368264bcf15c25759 Pull turbostat fix from Len Brown: "Fix a recent AMD regression due to errant code cleanup" * tag 'turbostat-2026.02.14-AMD-RAPL-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: Fix AMD RAPL regression 2026-02-18T05:27:52+00:00 Len Brown len.brown@intel.com 2026-02-18T02:31:51+00:00 urn:sha1:ef0e60083f768b32cda17b1b0ca9519405db89a6 turbostat.c:8688: rapl_perf_init: Assertion `next_domain < num_domains' failed. Two recent cleanup patches that were not supposed to change anything broke the core_id code needed for AMD RAPL initialization: commit 070e92361eec ("tools/power turbostat: Enhance HT enumeration") commit ddf60e38ca04 ("tools/power turbostat: Simplify global core_id calculation") Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com> 2026-02-17T23:51:14+00:00 Linus Torvalds torvalds@linux-foundation.org 2026-02-17T23:51:14+00:00 urn:sha1:2961f841b025fb234860bac26dfb7fa7cb0fb122 Pull turbostat updates from Len Brown: - Add L2 statistics columns for recent Intel processors: L2MRPS = L2 Cache M-References Per Second L2%hit = L2 Cache Hit % - Sort work and output by cpu# rather than core# - Minor features and fixes * tag 'turbostat-2026.02.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (23 commits) tools/power turbostat: version 2026.02.14 tools/power turbostat: Fix and document --header_iterations tools/power turbostat: Use strtoul() for iteration parsing tools/power turbostat: Favor cpu# over core# tools/power turbostat: Expunge logical_cpu_id tools/power turbostat: Enhance HT enumeration tools/power turbostat: Simplify global core_id calculation tools/power turbostat: Unify even/odd/average counter referencing tools/power turbostat: Allocate average counters dynamically tools/power turbostat: Delete core_data.core_id tools/power turbostat: Rename physical_core_id to core_id tools/power turbostat: Cleanup package_id tools/power turbostat: Cleanup internal use of "base_cpu" tools/power turbostat: Add L2 cache statistics tools/power turbostat: Remove redundant newlines from err(3) strings tools/power turbostat: Allow more use of is_hybrid flag tools/power turbostat: Rename "LLCkRPS" column to "LLCMRPS" tools/power turbostat.8: Document the "--force" option tools/power turbostat: Harden against unexpected values tools/power turbostat: Dump hypervisor name ... 2026-02-13T23:39:15+00:00 Linus Torvalds torvalds@linux-foundation.org 2026-02-13T23:39:15+00:00 urn:sha1:f50822fd8675c68d294e89bd102f7b487ca3acd3 Pull x86 platform driver updates from Ilpo Järvinen: "Highlights: - amd/pmf: - Avoid overwriting BIOS input values when events occur rapidly - Fix PMF driver issues related to S4 (in part on crypto/ccp side) - Add NPU metrics API (for accel side consumers) - Allow disabling Smart PC function through a module parameter - asus-wmi & HID/asus: - Unification of backlight control (replaces quirks) - Support multiple interfaces for controlling keyboard/RGB brightness - Simplify init sequence - hp-wmi: - Add manual fan control for Victus S models - Add fan mode keep-alive - Fix platform profile values for Omen 16-wf1xxx - Add EC offset to get the thermal profile - intel/pmc: Show substate residencies also for non-primary PMCs - intel/ISST: - Store and restore data for all domains - Write interface improvements - lenovo-wmi: - Support multiple Capability Data - Add HWMON reporting and tuning support - mellanox/mlx-platform: Add HI173 & HI174 support - surface/aggregator_registry: Add Surface Pro 11 (QCOM) - thinkpad_acpi: Add support for HW damage detection capability - uniwill: Implement cTGP setting - wmi: - Introduce marshalling support - Convert a few drivers to use the new buffer-based WMI API - tools/power/x86/intel-speed-select: Allow read operations for non-root - Miscellaneous cleanups / refactoring / improvements" * tag 'platform-drivers-x86-v7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (68 commits) platform/x86: lenovo-wmi-{capdata,other}: Fix HWMON channel visibility platform/x86: hp-wmi: Add EC offsets to read Victus S thermal profile platform: mellanox: mlx-platform: Add support DGX flavor of next-generation 800GB/s ethernet switch. platform: mellanox: mlx-platform: Add support for new Nvidia DGX system based on class VMOD0010 HID: asus: add support for the asus-wmi brightness handler platform/x86: asus-wmi: add keyboard brightness event handler platform/x86: asus-wmi: remove unused keyboard backlight quirk HID: asus: listen to the asus-wmi brightness device instead of creating one platform/x86: asus-wmi: Add support for multiple kbd led handlers HID: asus: early return for ROG devices HID: asus: move vendor initialization to probe HID: asus: fortify keyboard handshake HID: asus: use same report_id in response HID: asus: initialize additional endpoints only for certain devices HID: asus: simplify RGB init sequence platform/wmi: string-kunit: Add missing oversized string test case platform/x86/amd/pmf: Added a module parameter to disable the Smart PC function platform/x86/uniwill: Implement cTGP setting platform/x86: uniwill-laptop: Introduce device descriptor system platform/x86/amd: Use scope-based cleanup for wbrf_record() ... 2026-02-13T20:08:33+00:00 Len Brown len.brown@intel.com 2026-02-13T19:38:02+00:00 urn:sha1:51496091dd37b405e6e399a9638da3f1da3f4c64 Since release 2025.12.02: Add L2 statistics columns for recent Intel processors: L2MRPS = L2 Cache M-References Per Second L2%hit = L2 Cache Hit % Sort work and output by cpu# rather than core# This commit: Version number and white space (indent -l160) No functional change. Signed-off-by: Len Brown <len.brown@intel.com> 2026-02-13T20:03:17+00:00 Len Brown len.brown@intel.com 2026-02-13T19:26:12+00:00 urn:sha1:96718ad296af4a6d984b3a09276b165ab6a3b0c8 The "header_iterations" option is commonly used to de-clutter the screen of redundant header label rows in an interactive session: Eg. every 10 rows: $ sudo turbostat --header_iterations 10 -S -q -i 1 But --header_iterations was missing from turbostat.8 Also turbostat help advertised the "-N" short option that did not actually work: $ turbostat --help -N, --header_iterations num print header every num iterations Repair "-N" Document "--header_iterations" on turbostat.8 Signed-off-by: Len Brown <len.brown@intel.com> 2026-02-13T20:03:17+00:00 Kaushlendra Kumar kaushlendra.kumar@intel.com 2025-12-08T03:08:04+00:00 urn:sha1:8e5c0cc326f2e95a71bb6e6063e65caa60c8f951 Replace strtod() with strtoul() and check errno for -n/-N options, since num_iterations and header_iterations are unsigned long counters. Reject zero and conversion errors; negative inputs wrap to large positive values per standard unsigned semantics. Signed-off-by: Kaushlendra Kumar <kaushlendra.kumar@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>