Aboorva Devarajan (2): sched_ext: Documentation: Remove mentions of scx_bpf_switch_all sched: Pass correct scheduling policy to __setscheduler_class Alexander Lobakin (1): bitops: make BYTES_TO_BITS() treewide-available Alexei Starovoitov (1): selftests/bpf: modify test_loader that didn't support running bpf_prog_type_syscall programs Andrea Righi (32): sched_ext: fix typo in set_weight() description sched_ext: add CONFIG_DEBUG_INFO_BTF dependency sched_ext: Provide a sysfs enable_seq counter sched_ext: improve WAKE_SYNC behavior for default idle CPU selection sched_ext: Clarify ops.select_cpu() for single-CPU tasks sched_ext: Introduce LLC awareness to the default idle selection policy sched_ext: Introduce NUMA awareness to the default idle selection policy sched_ext: Do not enable LLC/NUMA optimizations when domains overlap sched_ext: Fix incorrect use of bitwise AND MAINTAINERS: add self as reviewer for sched_ext sched_ext: idle: Refresh idle masks during idle-to-idle transitions sched_ext: Use the NUMA scheduling domain for NUMA optimizations sched_ext: idle: use assign_cpu() to update the idle cpumask sched_ext: idle: clarify comments sched_ext: idle: introduce check_builtin_idle_enabled() helper sched_ext: idle: small CPU iteration refactoring sched_ext: update scx_bpf_dsq_insert() doc for SCX_DSQ_LOCAL_ON sched_ext: Include remaining task time slice in error state dump sched_ext: Include task weight in the error state dump selftests/sched_ext: Fix enum resolution tools/sched_ext: Add helper to check task migration state sched_ext: selftests/dsp_local_on: Fix selftest on UP systems sched_ext: Fix lock imbalance in dispatch_to_local_dsq() selftests/sched_ext: Fix exit selftest hang on UP sched_ext: Move built-in idle CPU selection policy to a separate file sched_ext: Track currently locked rq sched_ext: Make scx_locked_rq() inline sched_ext: Fix missing rq lock in scx_bpf_cpuperf_set() sched/ext: Fix invalid task state transitions on class switch sched_ext: Make scx_kf_allowed_if_unlocked() available outside ext.c sched_ext: Remove duplicate BTF_ID_FLAGS definitions sched_ext: Fix rq lock state in hotplug ops Andrii Nakryiko (7): bpf: extract iterator argument type and name validation logic bpf: allow passing struct bpf_iter_<type> as kfunc arguments selftests/bpf: test passing iterator to a kfunc bpf: Emit global subprog name in verifier logs bpf: Validate global subprogs lazily selftests/bpf: Add lazy global subprog validation tests selftests/bpf: validate eliminated global subprog is not freplaceable Arnaldo Carvalho de Melo (1): tools include UAPI: Sync linux/sched.h copy with the kernel sources Atul Kumar Pant (1): sched_ext: Fixes typos in comments Benjamin Tissoires (1): bpf: introduce in_sleepable() helper Bitao Hu (4): genirq: Convert kstat_irqs to a struct genirq: Provide a snapshot mechanism for interrupt statistics watchdog/softlockup: Low-overhead detection of interrupt storm watchdog/softlockup: Report the most frequent interrupts Björn Töpel (1): selftests: sched_ext: Add sched_ext as proper selftest target Breno Leitao (3): rhashtable: Fix potential deadlock by moving schedule_work outside lock sched_ext: Use kvzalloc for large exit_dump allocation sched/ext: Prevent update_locked_rq() calls with NULL rq Changwoo Min (11): sched_ext: Clarify sched_ext_ops table for userland scheduler sched_ext: add a missing rcu_read_lock/unlock pair at scx_select_cpu_dfl() MAINTAINERS: add me as reviewer for sched_ext sched_ext: Replace rq_lock() to raw_spin_rq_lock() in scx_ops_bypass() sched_ext: Relocate scx_enabled() related code sched_ext: Implement scx_bpf_now() sched_ext: Add scx_bpf_now() for BPF scheduler sched_ext: Add time helpers for BPF schedulers sched_ext: Replace bpf_ktime_get_ns() to scx_bpf_now() sched_ext: Use time helpers in BPF schedulers sched_ext: Fix incorrect time delta calculation in time_delta() Christian Brauner (1): file: add take_fd() cleanup helper Christian Loehle (1): sched/fair: Remove stale FREQUENCY_UTIL comment Chuyi Zhou (15): cgroup: Prepare for using css_task_iter_*() in BPF bpf: Introduce css_task open-coded iterator kfuncs bpf: Introduce task open coded iterator kfuncs bpf: Introduce css open-coded iterator kfuncs bpf: teach the verifier to enforce css_iter and task_iter in RCU CS bpf: Let bpf_iter_task_new accept null task ptr selftests/bpf: rename bpf_iter_task.c to bpf_iter_tasks.c selftests/bpf: Add tests for open-coded task and css iter bpf: Let verifier consider {task,cgroup} is trusted in bpf_iter_reg bpf: Relax allowlist for css_task iter selftests/bpf: Add tests for css_task iter combining with cgroup iter selftests/bpf: Add test for using css_task iter in sleepable progs selftests/bpf: get trusted cgrp from bpf_iter__cgroup directly sched_ext: Fix the incorrect bpf_list kfunc API in common.bpf.h. sched_ext: Use SCX_CALL_OP_TASK in task_tick_scx Colin Ian King (1): sched_ext: Fix spelling mistake: "intead" -> "instead" Daniel Xu (3): bpf: btf: Support flags for BTF_SET8 sets bpf: btf: Add BTF_KFUNCS_START/END macro pair bpf: treewide: Annotate BPF kfuncs in BTF Dave Marchevsky (5): bpf: Don't explicitly emit BTF for struct btf_iter_num selftests/bpf: Rename bpf_iter_task_vma.c to bpf_iter_task_vmas.c bpf: Introduce task_vma open-coded iterator kfuncs selftests/bpf: Add tests for open-coded task_vma iter bpf: Add __bpf_kfunc_{start,end}_defs macros David Vernet (15): bpf: Add ability to pin bpf timer to calling CPU selftests/bpf: Test pinning bpf timer to a core sched_ext: Implement runnable task stall watchdog sched_ext: Print sched_ext info when dumping stack sched_ext: Implement SCX_KICK_WAIT sched_ext: Implement sched_ext_ops.cpu_acquire/release() sched_ext: Add selftests bpf: Load vmlinux btf for any struct_ops map sched_ext: Make scx_bpf_cpuperf_set() @cpu arg signed scx: Allow calling sleepable kfuncs from BPF_PROG_TYPE_SYSCALL scx/selftests: Verify we can call create_dsq from prog_run sched_ext: Remove unnecessary cpu_relax() scx: Fix exit selftest to use custom DSQ scx: Fix raciness in scx_ops_bypass() scx: Fix maximal BPF selftest prog Dawei Li (1): genirq: Deduplicate interrupt descriptor initialization Devaansh Kumar (1): sched_ext: selftests: Fix grammar in tests description Devaansh-Kumar (1): sched_ext: Documentation: Update instructions for running example schedulers Geliang Tang (1): bpf, btf: Check btf for register_bpf_struct_ops Henry Huang (2): sched_ext: initialize kit->cursor.flags sched_ext: keep running prev when prev->scx.slice != 0 Herbert Xu (1): rhashtable: Fix rhashtable_try_insert test Honglei Wang (3): sched_ext: use correct function name in pick_task_scx() warning message sched_ext: Add __weak to fix the build errors sched_ext: switch class when preempted by higher priority scheduler Hongyan Xia (1): sched/ext: Add BPF function to fetch rq Hou Tao (7): bpf: Free dynamically allocated bits in bpf_iter_bits_destroy() bpf: Add bpf_mem_alloc_check_size() helper bpf: Check the validity of nr_words in bpf_iter_bits_new() bpf: Use __u64 to save the bits in bits iterator selftests/bpf: Add three test cases for bits_iter selftests/bpf: Use -4095 as the bad address for bits iterator selftests/bpf: Export map_update_retriable() Ihor Solodrai (2): selftests/sched_ext: add order-only dependency of runner.o on BPFOBJ selftests/sched_ext: fix build after renames in sched_ext API Ilpo Järvinen (1): <linux/cleanup.h>: Allow the passing of both iomem and non-iomem pointers to no_free_ptr() Ingo Molnar (3): sched/syscalls: Split out kernel/sched/syscalls.c from kernel/sched/core.c sched/fair: Rename check_preempt_wakeup() to check_preempt_wakeup_fair() sched/fair: Rename check_preempt_curr() to wakeup_preempt() Jake Hillion (1): sched_ext: create_dsq: Return -EEXIST on duplicate request Jiapeng Chong (1): sched_ext: Fixes incorrect type in bpf_scx_init() Jiayuan Chen (1): selftests/bpf: Fixes for test_maps test Jiri Olsa (2): bpf: Add missed value to kprobe perf link info bpf: Add cookie to perf_event bpf_link_info records Kui-Feng Lee (28): bpf: refactory struct_ops type initialization to a function. bpf: get type information with BTF_ID_LIST bpf, net: introduce bpf_struct_ops_desc. bpf: add struct_ops_tab to btf. bpf: make struct_ops_map support btfs other than btf_vmlinux. bpf: pass btf object id in bpf_map_info. bpf: lookup struct_ops types from a given module BTF. bpf: pass attached BTF to the bpf_struct_ops subsystem bpf: hold module refcnt in bpf_struct_ops map creation and prog verification. bpf: validate value_type bpf, net: switch to dynamic registration libbpf: Find correct module BTFs for struct_ops maps and progs. bpf: export btf_ctx_access to modules. selftests/bpf: test case for register_bpf_struct_ops(). bpf: Fix error checks against bpf_get_btf_vmlinux(). bpf: Move __kfunc_param_match_suffix() to btf.c. bpf: Remove an unnecessary check. bpf: add btf pointer to struct bpf_ctx_arg_aux. bpf: Create argument information for nullable arguments. selftests/bpf: Suppress warning message of an unused variable. selftests/bpf: Test PTR_MAYBE_NULL arguments of struct_ops operators. libbpf: Set btf_value_type_id of struct bpf_map for struct_ops. libbpf: Convert st_ops->data to shadow type. bpftool: Generated shadow variables for struct_ops maps. bpftool: Add an example for struct_ops map and shadow type. selftests/bpf: Test if shadow types work correctly. bpf, net: validate struct_ops when updating value. bpf: struct_ops supports more than one page for trampolines. Kumar Kartikeya Dwivedi (4): bpf: Allow calling static subprogs while holding a bpf_spin_lock selftests/bpf: Add test for static subprog call in lock cs bpf: Transfer RCU lock state between subprog calls selftests/bpf: Add tests for RCU lock transfer between subprogs Liang Jie (1): sched_ext: Use sizeof_field for key_len in dsq_hash_params Manu Bretelle (1): sched_ext: define missing cfi stubs for sched_ext Martin KaFai Lau (3): libbpf: Ensure undefined bpf_attr field stays 0 bpf: Reject struct_ops registration that uses module ptr and the module btf_id is missing bpf: Use kallsyms to find the function name of a struct_ops's stub function Matthieu Baerts (1): bpf: fix compilation error without CGROUPS Peter Zijlstra (20): cleanup: Make no_free_ptr() __must_check sched: Simplify set_user_nice() sched: Simplify syscalls sched: Simplify sched_{set,get}affinity() sched: Simplify yield_to() sched: Simplify sched_rr_get_interval() sched: Simplify sched_move_task() sched: Misc cleanups sched/deadline: Move bandwidth accounting into {en,de}queue_dl_entity sched: Allow sched_class::dequeue_task() to fail sched: Unify runtime accounting across classes sched: Use set_next_task(.first) where required sched/fair: Cleanup pick_task_fair() vs throttle sched/fair: Cleanup pick_task_fair()'s curr sched/fair: Unify pick_{,next_}_task_fair() sched: Fixup set_next_task() implementations sched: Split up put_prev_task_balance() sched: Rework pick_next_task() sched: Combine the last put_prev_task() and the first set_next_task() sched: Add put_prev_task(.next) Pu Lehui (1): riscv, bpf: Fix out-of-bounds issue when preparing trampoline image Randy Dunlap (1): sched_ext: fix kernel-doc warnings Shizhao Chen (1): sched_ext: Add option -l in selftest runner to list all available tests Song Liu (8): bpf: Charge modmem for struct_ops trampoline bpf: Let bpf_prog_pack_free handle any pointer bpf: Adjust argument names of arch_prepare_bpf_trampoline() bpf: Add helpers for trampoline image management bpf, x86: Adjust arch_prepare_bpf_trampoline return value bpf: Add arch_bpf_trampoline_size() bpf: Use arch_bpf_trampoline_size x86, bpf: Use bpf_prog_pack for bpf trampoline T.J. Mercier (1): bpf, docs: Fix broken link to renamed bpf_iter_task_vmas.c Tejun Heo (148): sched: Restructure sched_class order sanity checks in sched_init() sched: Allow sched_cgroup_fork() to fail and introduce sched_cancel_fork() sched: Add sched_class->reweight_task() sched: Add sched_class->switching_to() and expose check_class_changing/changed() sched: Factor out cgroup weight conversion functions sched: Factor out update_other_load_avgs() from __update_blocked_others() sched: Add normal_policy() sched_ext: Add boilerplate for extensible scheduler class sched_ext: Implement BPF extensible scheduler class sched_ext: Add scx_simple and scx_example_qmap example schedulers sched_ext: Add sysrq-S which disables the BPF scheduler sched_ext: Allow BPF schedulers to disallow specific tasks from joining SCHED_EXT sched_ext: Print debug dump after an error exit tools/sched_ext: Add scx_show_state.py sched_ext: Implement scx_bpf_kick_cpu() and task preemption support sched_ext: Add a central scheduler which makes all scheduling decisions on one CPU sched_ext: Make watchdog handle ops.dispatch() looping stall sched_ext: Add task state tracking operations sched_ext: Implement tickless support sched_ext: Track tasks that are subjects of the in-flight SCX operation sched_ext: Implement sched_ext_ops.cpu_online/offline() sched_ext: Bypass BPF scheduler while PM events are in progress sched_ext: Implement core-sched support sched_ext: Add vtime-ordered priority queue to dispatch_q's sched_ext: Documentation: scheduler: Document extensible scheduler class sched, sched_ext: Replace scx_next_task_picked() with sched_class->switch_class() cpufreq_schedutil: Refactor sugov_cpu_is_busy() sched_ext: Add cpuperf support sched_ext: Drop tools_clean target from the top-level Makefile sched_ext: Swap argument positions in kcalloc() call to avoid compiler warning sched, sched_ext: Simplify dl_prio() case handling in sched_fork() sched_ext: Account for idle policy when setting p->scx.weight in scx_ops_enable_task() sched_ext: Disallow loading BPF scheduler if isolcpus= domain isolation is in effect sched_ext: Minor cleanups in kernel/sched/ext.h sched, sched_ext: Open code for_balance_class_range() sched, sched_ext: Move some declarations from kernel/sched/ext.h to sched.h sched_ext: Take out ->priq and ->flags from scx_dsq_node sched_ext: Implement DSQ iterator sched_ext/scx_qmap: Add an example usage of DSQ iterator sched_ext: Reimplement scx_bpf_reenqueue_local() sched_ext: Make scx_bpf_reenqueue_local() skip tasks that are being migrated sched: Move struct balance_callback definition upward sched_ext: Unpin and repin rq lock from balance_scx() sched_ext: s/SCX_RQ_BALANCING/SCX_RQ_IN_BALANCE/ and add SCX_RQ_IN_WAKEUP sched_ext: Allow SCX_DSQ_LOCAL_ON for direct dispatches sched_ext/scx_qmap: Pick idle CPU for direct dispatch on !wakeup enqueues sched_ext: Build fix on !CONFIG_STACKTRACE[_SUPPORT] sched_ext: Allow p->scx.disallow only while loading sched_ext: Simplify scx_can_stop_tick() invocation in sched_can_stop_tick() sched_ext: Add scx_enabled() test to @start_class promotion in put_prev_task_balance() sched_ext: Use update_curr_common() in update_curr_scx() sched_ext: Simplify UP support by enabling sched_class->balance() in UP sched_ext: Improve comment on idle_sched_class exception in scx_task_iter_next_locked() sched_ext: Make task_can_run_on_remote_rq() use common task_allowed_on_cpu() sched_ext: Fix unsafe list iteration in process_ddsp_deferred_locals() sched_ext: Make scx_rq_online() also test cpu_active() in addition to SCX_RQ_ONLINE sched_ext: Improve logging around enable/disable sched_ext: Don't use double locking to migrate tasks across CPUs scx_central: Fix smatch checker warning sched_ext: Add missing cfi stub for ops.tick sched_ext: Use task_can_run_on_remote_rq() test in dispatch_to_local_dsq() sched_ext: Use sched_clock_cpu() instead of rq_clock_task() in touch_core_sched() sched_ext: Don't call put_prev_task_scx() before picking the next task sched_ext: Replace SCX_TASK_BAL_KEEP with SCX_RQ_BAL_KEEP sched_ext: Unify regular and core-sched pick task paths sched_ext: Relocate functions in kernel/sched/ext.c sched_ext: Remove switch_class_scx() sched_ext: Remove sched_class->switch_class() sched_ext: TASK_DEAD tasks must be switched out of SCX on ops_disable sched_ext: TASK_DEAD tasks must be switched into SCX on ops_enable sched: Expose css_tg() sched: Make cpu_shares_read_u64() use tg_weight() sched: Introduce CONFIG_GROUP_SCHED_WEIGHT sched_ext: Add cgroup support sched_ext: Add a cgroup scheduler which uses flattened hierarchy sched_ext: Temporarily work around pick_task_scx() being called without balance_scx() sched_ext: Add missing static to scx_has_op[] sched_ext: Add missing static to scx_dump_data sched_ext: Rename scx_kfunc_set_sleepable to unlocked and relocate sched_ext: Refactor consume_remote_task() sched_ext: Make find_dsq_for_dispatch() handle SCX_DSQ_LOCAL_ON sched_ext: Fix processs_ddsp_deferred_locals() by unifying DTL_INVALID handling sched_ext: Restructure dispatch_to_local_dsq() sched_ext: Reorder args for consume_local/remote_task() sched_ext: Move sanity check and dsq_mod_nr() into task_unlink_from_dsq() sched_ext: Move consume_local_task() upward sched_ext: Replace consume_local_task() with move_local_task_to_local_dsq() sched_ext: Compact struct bpf_iter_scx_dsq_kern sched_ext: Implement scx_bpf_dispatch[_vtime]_from_dsq() scx_qmap: Implement highpri boosting sched_ext: Synchronize bypass state changes with rq lock sched_ext: Don't trigger ops.quiescent/runnable() on migrations sched_ext: Fix build when !CONFIG_STACKTRACE sched_ext: Build fix for !CONFIG_SMP sched_ext: Add __COMPAT helpers for features added during v6.12 devel cycle tools/sched_ext: Receive misc updates from SCX repo scx_flatcg: Use a user DSQ for fallback instead of SCX_DSQ_GLOBAL sched_ext: Allow only user DSQs for scx_bpf_consume(), scx_bpf_dsq_nr_queued() and bpf_iter_scx_dsq_new() sched_ext: Relocate find_user_dsq() sched_ext: Split the global DSQ per NUMA node sched_ext: Use shorter slice while bypassing sched_ext: Relocate check_hotplug_seq() call in scx_ops_enable() sched_ext: Remove SCX_OPS_PREPPING sched_ext: Initialize in bypass mode sched_ext: Fix SCX_TASK_INIT -> SCX_TASK_READY transitions in scx_ops_enable() sched_ext: Enable scx_ops_init_task() separately sched_ext: Add scx_cgroup_enabled to gate cgroup operations and fix scx_tg_online() sched_ext: Decouple locks in scx_ops_disable_workfn() sched_ext: Decouple locks in scx_ops_enable() sched_ext: Improve error reporting during loading sched_ext: scx_cgroup_exit() may be called without successful scx_cgroup_init() sched/core: Make select_task_rq() take the pointer to wake_flags instead of value sched/core: Add ENQUEUE_RQ_SELECTED to indicate whether ->select_task_rq() was called sched_ext, scx_qmap: Add and use SCX_ENQ_CPU_SELECTED Revert "sched_ext: Use shorter slice while bypassing" sched_ext: Start schedulers with consistent p->scx.slice values sched_ext: Move scx_buildin_idle_enabled check to scx_bpf_select_cpu_dfl() sched_ext: bypass mode shouldn't depend on ops.select_cpu() sched_ext: Move scx_tasks_lock handling into scx_task_iter helpers sched_ext: Don't hold scx_tasks_lock for too long sched_ext: Make cast_mask() inline sched_ext: Fix enq_last_no_enq_fails selftest sched_ext: Add a missing newline at the end of an error message sched_ext: Update scx_show_state.py to match scx_ops_bypass_depth's new type sched_ext: Handle cases where pick_task_scx() is called without preceding balance_scx() sched_ext: ops.cpu_acquire() should be called with SCX_KF_REST sched_ext: Factor out move_task_between_dsqs() from scx_dispatch_from_dsq() sched_ext: Rename CFI stubs to names that are recognized by BPF sched_ext: Replace set_arg_maybe_null() with __nullable CFI stub tags sched_ext: Avoid live-locking bypass mode switching sched_ext: Enable the ops breather and eject BPF scheduler on softlockup sched_ext: scx_bpf_dispatch_from_dsq_set_*() are allowed from unlocked context sched_ext: Rename scx_bpf_dispatch[_vtime]() to scx_bpf_dsq_insert[_vtime]() sched_ext: Rename scx_bpf_consume() to scx_bpf_dsq_move_to_local() sched_ext: Rename scx_bpf_dispatch[_vtime]_from_dsq*() -> scx_bpf_dsq_move[_vtime]*() sched_ext: Fix invalid irq restore in scx_ops_bypass() sched_ext: Fix dsq_local_on selftest tools/sched_ext: Receive updates from SCX repo sched_ext: selftests/dsp_local_on: Fix sporadic failures sched_ext: Fix incorrect autogroup migration detection sched_ext: Implement auto local dispatching of migration disabled tasks sched_ext: Fix migration disabled handling in targeted dispatches sched_ext: Fix incorrect assumption about migration disabled tasks in task_can_run_on_remote_rq() sched_ext: Fix pick_task_scx() picking non-queued tasks when it's called without balance() sched_ext: Implement SCX_OPS_ALLOW_QUEUED_WAKEUP sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator sched_ext: Make scx_group_set_weight() always update tg->scx.weight sched_ext, sched/core: Don't call scx_group_set_weight() prematurely from sched_create_group() Thomas Gleixner (1): sched/ext: Remove sched_fork() hack Thorsten Blum (1): sched_ext: Use str_enabled_disabled() helper in update_selcpu_topology() Tianchen Ding (1): sched_ext: Use btf_ids to resolve task_struct Vincent Guittot (3): sched/cpufreq: Rework schedutil governor performance estimation sched/fair: Fix frequency selection for non-invariant case sched/fair: Fix sched_can_stop_tick() for fair tasks Vishal Chourasia (2): sched_ext: Add __weak markers to BPF helper function decalarations sched_ext: Fix function pointer type mismatches in BPF selftests Wenyu Huang (1): sched/doc: Update documentation after renames and synchronize Chinese version Yafang Shao (2): bpf: Add bits iterator selftests/bpf: Add selftest for bits iter Yipeng Zou (1): sched_ext: Allow dequeue_task_scx to fail Yiwei Lin (1): sched/fair: Remove unused 'curr' argument from pick_next_entity() Yu Liao (2): sched: Put task_group::idle under CONFIG_GROUP_SCHED_WEIGHT sched: Add dummy version of sched_group_set_idle() Yury Norov (1): cpumask: introduce assign_cpu() macro Zhang Qiao (3): sched_ext: Remove redundant p->nr_cpus_allowed checker sched/ext: Fix unmatch trailing comment of CONFIG_EXT_GROUP_SCHED sched/ext: Use tg_cgroup() to elieminate duplicate code Zhao Mengmeng (1): sched_ext: Replace scx_next_task_picked() with switch_class() in comment Zicheng Qu (25): bpf: Fix kabi for missed in bpf_link_info bpf: Fix kabi for cookie in bpf_link_info bpf: Fix kabi for value_type_btf_obj_fd in union bpf_attr bpf: Fix kabi for struct bpf_verifier_env selftest/bpf: Fix task_vma iter verification error bpf: Fix kabi for btf in struct bpf_ctx_arg_aux bpf: Fix kabi for called and verified in struct bpf_func_info_aux sched: Fix kabi for reweight_task in struct sched_class sched/syscalls: Fix kabi for EXPORT_SYMBOL moved from core.c to syscalls.c sched: Fix kabi for switching_to in struct sched_class sched/fair: Fix kabi for check_preempt_curr and wakeup_preempt in struct sched_class sched: Fix kabi for dequeue_task in struct sched_class sched_ext: Fix kabi for scx in struct task_struct sched_ext: Fix kabi for switch_class in struct sched_class sched: Fix kabi for exec_max in struct sched_statistics sched_ext: Fix kabi for balance in struct sched_class sched_ext: Fix kabi for header in kernel/sched/sched.h sched: Fix kabi pick_task in struct sched_class sched: Fix kabi for put_prev_task in struct sched_class sched_ext: Fix kabi for scx_flags and scx_weight in struct task_group sched: Fix kabi for int idle in struct task_group sched: Add __setscheduler_class() for sched_ext genirq: Fix kabi for kstat_irqs in struct irq_desc bpf: Fix kabi for size in struct bpf_tramp_image sched_ext: Enable sched_ext configs on arm64 guanjing (1): sched_ext: fix application of sizeof to pointer Documentation/bpf/bpf_iterators.rst | 2 +- Documentation/bpf/kfuncs.rst | 14 +- Documentation/scheduler/index.rst | 1 + Documentation/scheduler/sched-design-CFS.rst | 8 +- Documentation/scheduler/sched-ext.rst | 325 + .../zh_CN/scheduler/sched-design-CFS.rst | 8 +- MAINTAINERS | 14 + arch/arm64/configs/openeuler_defconfig | 2 + arch/arm64/net/bpf_jit_comp.c | 55 +- arch/mips/dec/setup.c | 2 +- arch/parisc/kernel/smp.c | 2 +- arch/powerpc/kvm/book3s_hv_rm_xics.c | 2 +- arch/riscv/net/bpf_jit_comp64.c | 43 +- arch/s390/net/bpf_jit_comp.c | 56 +- arch/x86/net/bpf_jit_comp.c | 130 +- drivers/hid/bpf/hid_bpf_dispatch.c | 8 +- drivers/tty/sysrq.c | 1 + include/asm-generic/vmlinux.lds.h | 1 + include/linux/bitops.h | 2 + include/linux/bpf.h | 101 +- include/linux/bpf_mem_alloc.h | 3 + include/linux/bpf_verifier.h | 22 +- include/linux/btf.h | 39 + include/linux/btf_ids.h | 21 +- include/linux/cgroup.h | 14 +- include/linux/cleanup.h | 42 +- include/linux/cpumask.h | 41 +- include/linux/energy_model.h | 1 - include/linux/file.h | 20 + include/linux/filter.h | 2 +- include/linux/irqdesc.h | 17 +- include/linux/kernel_stat.h | 8 + include/linux/sched.h | 8 +- include/linux/sched/ext.h | 216 + include/linux/sched/task.h | 8 +- include/linux/trace_events.h | 6 +- include/trace/events/sched_ext.h | 32 + include/uapi/linux/bpf.h | 32 +- include/uapi/linux/sched.h | 1 + init/Kconfig | 10 + init/init_task.c | 12 + kernel/Kconfig.preempt | 27 +- kernel/bpf/bpf_iter.c | 8 +- kernel/bpf/bpf_struct_ops.c | 730 +- kernel/bpf/bpf_struct_ops_types.h | 12 - kernel/bpf/btf.c | 254 +- kernel/bpf/cgroup_iter.c | 65 +- kernel/bpf/core.c | 21 +- kernel/bpf/cpumask.c | 10 +- kernel/bpf/dispatcher.c | 7 +- kernel/bpf/helpers.c | 186 +- kernel/bpf/map_iter.c | 10 +- kernel/bpf/memalloc.c | 14 +- kernel/bpf/syscall.c | 22 +- kernel/bpf/task_iter.c | 242 +- kernel/bpf/trampoline.c | 101 +- kernel/bpf/verifier.c | 309 +- kernel/cgroup/cgroup.c | 18 +- kernel/cgroup/rstat.c | 4 +- kernel/fork.c | 17 +- kernel/irq/Kconfig | 4 + kernel/irq/internals.h | 2 +- kernel/irq/irqdesc.c | 144 +- kernel/irq/proc.c | 5 +- kernel/sched/autogroup.c | 4 +- kernel/sched/build_policy.c | 13 + kernel/sched/core.c | 2492 +----- kernel/sched/cpufreq_schedutil.c | 89 +- kernel/sched/deadline.c | 175 +- kernel/sched/debug.c | 3 + kernel/sched/ext.c | 7242 +++++++++++++++++ kernel/sched/ext.h | 119 + kernel/sched/ext_idle.c | 752 ++ kernel/sched/ext_idle.h | 39 + kernel/sched/fair.c | 306 +- kernel/sched/idle.c | 31 +- kernel/sched/rt.c | 40 +- kernel/sched/sched.h | 473 +- kernel/sched/stop_task.c | 35 +- kernel/sched/syscalls.c | 1713 ++++ kernel/trace/bpf_trace.c | 15 +- kernel/trace/trace_kprobe.c | 14 +- kernel/trace/trace_probe.c | 2 - kernel/watchdog.c | 223 +- lib/Kconfig.debug | 14 + lib/dump_stack.c | 1 + lib/rhashtable.c | 12 +- net/bpf/bpf_dummy_struct_ops.c | 60 +- net/bpf/test_run.c | 15 +- net/core/filter.c | 29 +- net/core/xdp.c | 10 +- net/ipv4/bpf_tcp_ca.c | 93 +- net/ipv4/fou_bpf.c | 10 +- net/ipv4/tcp_bbr.c | 4 +- net/ipv4/tcp_cong.c | 6 +- net/ipv4/tcp_cubic.c | 4 +- net/ipv4/tcp_dctcp.c | 4 +- net/netfilter/nf_conntrack_bpf.c | 10 +- net/netfilter/nf_nat_bpf.c | 10 +- net/xfrm/xfrm_interface_bpf.c | 10 +- scripts/gdb/linux/interrupts.py | 6 +- tools/Makefile | 10 +- .../bpf/bpftool/Documentation/bpftool-gen.rst | 58 +- tools/bpf/bpftool/gen.c | 237 +- tools/include/linux/bitops.h | 2 + tools/include/uapi/linux/bpf.h | 21 +- tools/include/uapi/linux/sched.h | 1 + tools/lib/bpf/bpf.c | 4 +- tools/lib/bpf/bpf.h | 4 +- tools/lib/bpf/libbpf.c | 97 +- tools/lib/bpf/libbpf_probes.c | 1 + tools/perf/util/probe-finder.c | 4 +- tools/sched_ext/.gitignore | 2 + tools/sched_ext/Makefile | 246 + tools/sched_ext/README.md | 270 + .../sched_ext/include/bpf-compat/gnu/stubs.h | 11 + tools/sched_ext/include/scx/common.bpf.h | 620 ++ tools/sched_ext/include/scx/common.h | 81 + tools/sched_ext/include/scx/compat.bpf.h | 143 + tools/sched_ext/include/scx/compat.h | 187 + .../sched_ext/include/scx/enums.autogen.bpf.h | 105 + tools/sched_ext/include/scx/enums.autogen.h | 41 + tools/sched_ext/include/scx/enums.bpf.h | 12 + tools/sched_ext/include/scx/enums.h | 27 + tools/sched_ext/include/scx/user_exit_info.h | 118 + tools/sched_ext/scx_central.bpf.c | 356 + tools/sched_ext/scx_central.c | 136 + tools/sched_ext/scx_flatcg.bpf.c | 954 +++ tools/sched_ext/scx_flatcg.c | 234 + tools/sched_ext/scx_flatcg.h | 51 + tools/sched_ext/scx_qmap.bpf.c | 827 ++ tools/sched_ext/scx_qmap.c | 155 + tools/sched_ext/scx_show_state.py | 42 + tools/sched_ext/scx_simple.bpf.c | 151 + tools/sched_ext/scx_simple.c | 107 + tools/testing/selftests/Makefile | 9 +- .../testing/selftests/bpf/bpf_experimental.h | 27 + .../selftests/bpf/bpf_testmod/bpf_testmod.c | 108 +- .../selftests/bpf/bpf_testmod/bpf_testmod.h | 17 + .../selftests/bpf/prog_tests/bpf_iter.c | 44 +- .../selftests/bpf/prog_tests/cgroup_iter.c | 33 + .../bpf/prog_tests/global_func_dead_code.c | 60 + .../testing/selftests/bpf/prog_tests/iters.c | 209 + .../selftests/bpf/prog_tests/rcu_read_lock.c | 6 + .../selftests/bpf/prog_tests/spin_lock.c | 2 + .../prog_tests/test_struct_ops_maybe_null.c | 46 + .../bpf/prog_tests/test_struct_ops_module.c | 86 + .../testing/selftests/bpf/prog_tests/timer.c | 4 + .../selftests/bpf/prog_tests/verifier.c | 4 + ...f_iter_task_vma.c => bpf_iter_task_vmas.c} | 0 .../{bpf_iter_task.c => bpf_iter_tasks.c} | 0 .../bpf/progs/freplace_dead_global_func.c | 11 + tools/testing/selftests/bpf/progs/iters_css.c | 72 + .../selftests/bpf/progs/iters_css_task.c | 102 + .../testing/selftests/bpf/progs/iters_task.c | 41 + .../selftests/bpf/progs/iters_task_failure.c | 105 + .../selftests/bpf/progs/iters_task_vma.c | 54 + .../selftests/bpf/progs/iters_testmod_seq.c | 50 + .../selftests/bpf/progs/rcu_read_lock.c | 120 + .../bpf/progs/struct_ops_maybe_null.c | 29 + .../bpf/progs/struct_ops_maybe_null_fail.c | 24 + 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.../selftests/sched_ext/test_example.c | 49 + tools/testing/selftests/sched_ext/util.c | 71 + tools/testing/selftests/sched_ext/util.h | 13 + 224 files changed, 24754 insertions(+), 3360 deletions(-) create mode 100644 Documentation/scheduler/sched-ext.rst create mode 100644 include/linux/sched/ext.h create mode 100644 include/trace/events/sched_ext.h delete mode 100644 kernel/bpf/bpf_struct_ops_types.h create mode 100644 kernel/sched/ext.c create mode 100644 kernel/sched/ext.h create mode 100644 kernel/sched/ext_idle.c create mode 100644 kernel/sched/ext_idle.h create mode 100644 kernel/sched/syscalls.c create mode 100644 tools/sched_ext/.gitignore create mode 100644 tools/sched_ext/Makefile create mode 100644 tools/sched_ext/README.md create mode 100644 tools/sched_ext/include/bpf-compat/gnu/stubs.h create mode 100644 tools/sched_ext/include/scx/common.bpf.h create mode 100644 tools/sched_ext/include/scx/common.h create mode 100644 tools/sched_ext/include/scx/compat.bpf.h create mode 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tools/testing/selftests/bpf/prog_tests/test_struct_ops_maybe_null.c create mode 100644 tools/testing/selftests/bpf/prog_tests/test_struct_ops_module.c rename tools/testing/selftests/bpf/progs/{bpf_iter_task_vma.c => bpf_iter_task_vmas.c} (100%) rename tools/testing/selftests/bpf/progs/{bpf_iter_task.c => bpf_iter_tasks.c} (100%) create mode 100644 tools/testing/selftests/bpf/progs/freplace_dead_global_func.c create mode 100644 tools/testing/selftests/bpf/progs/iters_css.c create mode 100644 tools/testing/selftests/bpf/progs/iters_css_task.c create mode 100644 tools/testing/selftests/bpf/progs/iters_task.c create mode 100644 tools/testing/selftests/bpf/progs/iters_task_failure.c create mode 100644 tools/testing/selftests/bpf/progs/iters_task_vma.c create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_maybe_null.c create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_maybe_null_fail.c create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_module.c create mode 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create mode 100644 tools/testing/selftests/sched_ext/enq_last_no_enq_fails.c create mode 100644 tools/testing/selftests/sched_ext/enq_select_cpu_fails.bpf.c create mode 100644 tools/testing/selftests/sched_ext/enq_select_cpu_fails.c create mode 100644 tools/testing/selftests/sched_ext/exit.bpf.c create mode 100644 tools/testing/selftests/sched_ext/exit.c create mode 100644 tools/testing/selftests/sched_ext/exit_test.h create mode 100644 tools/testing/selftests/sched_ext/hotplug.bpf.c create mode 100644 tools/testing/selftests/sched_ext/hotplug.c create mode 100644 tools/testing/selftests/sched_ext/hotplug_test.h create mode 100644 tools/testing/selftests/sched_ext/init_enable_count.bpf.c create mode 100644 tools/testing/selftests/sched_ext/init_enable_count.c create mode 100644 tools/testing/selftests/sched_ext/maximal.bpf.c create mode 100644 tools/testing/selftests/sched_ext/maximal.c create mode 100644 tools/testing/selftests/sched_ext/maybe_null.bpf.c create mode 100644 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