本次MPAM特性合入59个补丁，主要包括： 1）MPAM 对外sysfs功能增强； 2）适配后续社区版本，适配兼容MPAM协议； 3）代码框架整体重构，拓展对SMMU io的支持； 4）支持鲲鹏930全套MPAM能力；
James Morse (10): arm64/mpam: Add mpam driver discovery phase and kbuild boiler plate cacheinfo: Provide a helper to find a cacheinfo leaf arm64/mpam: Probe supported partid/pmg ranges from devices arm64/mpam: Supplement MPAM MSC register layout definitions arm64/mpam: Probe the features resctrl supports arm64/mpam: Reset controls when CPUs come online arm64/mpam: Summarize feature support during mpam_enable() arm64/mpam: resctrl: Re-synchronise resctrl's view of online CPUs drivers: base: cacheinfo: Add helper to search cacheinfo by of_node arm64/mpam: Enabling registering and logging error interrupts
Wang ShaoBo (49): arm64/mpam: Preparing for MPAM refactoring arm64/mpam: Add helper for getting mpam sysprops arm64/mpam: Allocate mpam component configuration arrays arm64/mpam: Pick MPAM resources and events for resctrl_res exported arm64/mpam: Init resctrl resources' info from resctrl_res selected arm64/mpam: resctrl: Handle cpuhp and resctrl_dom allocation arm64/mpam: Implement helpers for handling configuration and monitoring arm64/mpam: Migrate old MSCs' discovery process to new branch arm64/mpam: Add helper for getting MSCs' configuration arm64/mpam: Probe partid,pmg and feature capabilities' ranges from classes arm64/mpam: resctrl: Rebuild configuration and monitoring pipeline arm64/mpam: resctrl: Append schemata CDP definitions arm64/mpam: resctrl: Supplement cdpl2,cdpl3 for mount options arm64/mpam: resctrl: Add helpers for init and destroy schemata list arm64/mpam: resctrl: Use resctrl_group_init_alloc() to init schema list arm64/mpam: resctrl: Write and read schemata by schema_list arm64/mpam: Support cdp in mpam_sched_in() arm64/mpam: resctrl: Update resources reset process arm64/mpam: resctrl: Update closid alloc and free process with bitmap arm64/mpam: resctrl: Move ctrlmon sysfile write/read function to mpam_ctrlmon.c arm64/mpam: Support cdp on allocating monitors arm64/mpam: resctrl: Support cdp on monitoring data arm64/mpam: Clean up header files and rearrange declarations arm64/mpam: resctrl: Remove ctrlmon sysfile arm64/mpam: resctrl: Remove unnecessary CONFIG_ARM64 arm64/mpam: Implement intpartid narrowing process arm64/mpam: Using software-defined id for rdtgroup instead of 32-bit integer arm64/mpam: resctrl: collect child mon group's monitor data arm64/mpam: resctrl: Support cpus' monitoring for mon group arm64/mpam: resctrl: Support priority and hardlimit(Memory bandwidth) configuration arm64/mpam: Store intpri and dspri for mpam device reset arm64/mpam: Squash default priority from mpam device to class arm64/mpam: Restore extend ctrls' max width for checking schemata input arm64/mpam: Re-plan intpartid narrowing process arm64/mpam: Add hook-events id for ctrl features arm64/mpam: Integrate monitor data for Memory Bandwidth if cdp enabled arm64/mpam: Fix MPAM_ESR intPARTID_range error arm64/mpam: Separate internal and downstream priority event arm64/mpam: Remap reqpartid,pmg to rmid and intpartid to closid arm64/mpam: Add wait queue for monitor alloc and free arm64/mpam: Add resctrl_ctrl_feature structure to manage ctrl features arm64/mpam: resctrl: Export resource's properties to info directory arm64/mpam: Split header files into suitable location arm64/mpam: resctrl: Add rmid file in resctrl sysfs arm64/mpam: Filter schema control type with ctrl features arm64/mpam: Simplify mpamid cdp mapping process arm64/mpam: Set per-cpu's closid to none zero for cdp ACPI/MPAM: Use acpi_map_pxm_to_node() to get node id for memory node arm64/mpam: Supplement additional useful ctrl features for mount options
arch/arm64/include/asm/mpam.h | 324 +--- arch/arm64/include/asm/mpam_resource.h | 129 -- arch/arm64/include/asm/mpam_sched.h | 8 - arch/arm64/include/asm/resctrl.h | 489 +++++- arch/arm64/kernel/Makefile | 2 +- arch/arm64/kernel/mpam.c | 1494 ---------------- arch/arm64/kernel/mpam/Makefile | 3 + arch/arm64/kernel/mpam/mpam_ctrlmon.c | 957 ++++++++++ arch/arm64/kernel/mpam/mpam_device.c | 1706 ++++++++++++++++++ arch/arm64/kernel/mpam/mpam_device.h | 140 ++ arch/arm64/kernel/mpam/mpam_internal.h | 345 ++++ arch/arm64/kernel/mpam/mpam_mon.c | 331 ++++ arch/arm64/kernel/mpam/mpam_resctrl.c | 2221 ++++++++++++++++++++++++ arch/arm64/kernel/mpam/mpam_resource.h | 228 +++ arch/arm64/kernel/mpam/mpam_setup.c | 597 +++++++ arch/arm64/kernel/mpam_ctrlmon.c | 619 ------- arch/arm64/kernel/mpam_mon.c | 121 -- drivers/acpi/arm64/mpam.c | 87 +- drivers/base/cacheinfo.c | 38 + fs/resctrlfs.c | 410 +++-- include/linux/arm_mpam.h | 118 ++ include/linux/cacheinfo.h | 36 + include/linux/resctrlfs.h | 30 - 23 files changed, 7473 insertions(+), 2960 deletions(-) delete mode 100644 arch/arm64/include/asm/mpam_resource.h delete mode 100644 arch/arm64/kernel/mpam.c create mode 100644 arch/arm64/kernel/mpam/Makefile create mode 100644 arch/arm64/kernel/mpam/mpam_ctrlmon.c create mode 100644 arch/arm64/kernel/mpam/mpam_device.c create mode 100644 arch/arm64/kernel/mpam/mpam_device.h create mode 100644 arch/arm64/kernel/mpam/mpam_internal.h create mode 100644 arch/arm64/kernel/mpam/mpam_mon.c create mode 100644 arch/arm64/kernel/mpam/mpam_resctrl.c create mode 100644 arch/arm64/kernel/mpam/mpam_resource.h create mode 100644 arch/arm64/kernel/mpam/mpam_setup.c delete mode 100644 arch/arm64/kernel/mpam_ctrlmon.c delete mode 100644 arch/arm64/kernel/mpam_mon.c create mode 100644 include/linux/arm_mpam.h