Leon Hwang 8eb76cb03f bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_array maps ...

Introduce support for the BPF_F_ALL_CPUS flag in percpu_array maps to
allow updating values for all CPUs with a single value for both
update_elem and update_batch APIs.

Introduce support for the BPF_F_CPU flag in percpu_array maps to allow:

* update value for specified CPU for both update_elem and update_batch
APIs.
* lookup value for specified CPU for both lookup_elem and lookup_batch
APIs.

The BPF_F_CPU flag is passed via:

* map_flags of lookup_elem and update_elem APIs along with embedded cpu
info.
* elem_flags of lookup_batch and update_batch APIs along with embedded
cpu info.

Signed-off-by: Leon Hwang <leon.hwang@linux.dev>
Link: https://lore.kernel.org/r/20260107022022.12843-3-leon.hwang@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

2026-01-06 20:48:32 -08:00

..

preload

umd: Remove usermode driver framework

2025-07-26 21:03:04 +02:00

arena.c

bpf: arena: Reintroduce memcg accounting

2026-01-02 14:31:59 -08:00

arraymap.c

bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_array maps

2026-01-06 20:48:32 -08:00

bloom_filter.c

bpf: Check bloom filter map value size

2024-03-27 09:56:17 -07:00

bpf_cgrp_storage.c

bpf: use rcu_read_lock_dont_migrate() for bpf_cgrp_storage_free()

2025-08-25 18:52:16 -07:00

bpf_inode_storage.c

bpf: use rcu_read_lock_dont_migrate() for bpf_inode_storage_free()

2025-08-25 18:52:16 -07:00

bpf_insn_array.c

bpf: force BPF_F_RDONLY_PROG on insn array creation

2025-11-28 15:15:43 -08:00

bpf_iter.c

bpf: Fix bpf_seq_read docs for increased buffer size

2025-12-13 18:57:53 -08:00

bpf_local_storage.c

bpf: Replace bpf memory allocator with kmalloc_nolock() in local storage

2025-11-18 16:20:25 -08:00

bpf_lru_list.c

bpf: Replace get_next_cpu() with cpumask_next_wrap()

2025-08-18 15:11:02 +02:00

bpf_lru_list.h

bpf: Adjust free target to avoid global starvation of LRU map

2025-06-18 18:50:14 -07:00

bpf_lsm_proto.c

bpf: annotate file argument as __nullable in bpf_lsm_mmap_file

2025-12-21 10:56:33 -08:00

bpf_lsm.c

bpf: annotate file argument as __nullable in bpf_lsm_mmap_file

2025-12-21 10:56:33 -08:00

bpf_struct_ops.c

bpf: Support associating BPF program with struct_ops

2025-12-05 16:17:57 -08:00

bpf_task_storage.c

bpf: use rcu_read_lock_dont_migrate() for bpf_task_storage_free()

2025-08-25 18:52:16 -07:00

btf_iter.c

bpf: Remove custom build rule

2024-08-30 08:55:26 -07:00

btf_relocate.c

bpf: Remove custom build rule

2024-08-30 08:55:26 -07:00

btf.c

bpf: allow calling kfuncs from raw_tp programs

2025-12-22 22:23:38 -08:00

cgroup_iter.c

bpf: Let verifier consider {task,cgroup} is trusted in bpf_iter_reg

2023-11-07 15:24:25 -08:00

cgroup.c

bpf: Convert bpf_sock_addr_kern "uaddr" to sockaddr_unsized

2025-11-04 19:10:33 -08:00

core.c

bpf: arm64: Optimize recursion detection by not using atomics

2025-12-21 10:54:37 -08:00

cpumap.c

bpf: cpumap: propagate underlying error in cpu_map_update_elem()

2025-12-09 23:53:27 -08:00

cpumask.c

bpf: Remove redundant KF_TRUSTED_ARGS flag from all kfuncs

2026-01-02 12:04:28 -08:00

crypto.c

bpf: crypto: replace -EEXIST with -EBUSY

2025-12-22 22:25:09 -08:00

devmap.c

bpf: Remove redundant __GFP_NOWARN

2025-08-12 14:56:04 -07:00

disasm.c

bpf: disasm: add support for BPF_JMP|BPF_JA|BPF_X

2025-11-05 17:53:23 -08:00

disasm.h

bpf: Relicense disassembler as GPL-2.0-only OR BSD-2-Clause

2021-09-02 14:49:23 +02:00

dispatcher.c

bpf: Add kernel symbol for struct_ops trampoline

2024-11-12 17:13:46 -08:00

dmabuf_iter.c

bpf: Fix truncated dmabuf iterator reads

2025-12-09 23:48:34 -08:00

hashtab.c

bpf: Free special fields when update [lru_,]percpu_hash maps

2025-11-13 09:14:15 -08:00

helpers.c

bpf: Replace __opt annotation with __nullable for kfuncs

2026-01-02 15:51:34 -08:00

inode.c

convert bpf

2025-11-16 01:35:03 -05:00

Kconfig

bpf: Update the bpf_prog_calc_tag to use SHA256

2025-09-18 19:10:20 -07:00

kmem_cache_iter.c

bpf: Add open coded version of kmem_cache iterator

2024-11-01 11:08:32 -07:00

link_iter.c

bpf: Clean up individual BTF_ID code

2025-07-16 18:34:42 -07:00

liveness.c

bpf: correct stack liveness for tail calls

2025-11-21 17:45:30 -08:00

local_storage.c

bpf: Remove redundant __GFP_NOWARN

2025-08-12 14:56:04 -07:00

log.c

bpf, x86: add support for indirect jumps

2025-11-05 17:53:23 -08:00

lpm_trie.c

bpf: Convert lpm_trie.c to rqspinlock

2025-03-19 08:03:05 -07:00

Makefile

bpf: annotate file argument as __nullable in bpf_lsm_mmap_file

2025-12-21 10:56:33 -08:00

map_in_map.c

bpf: switch maps to CLASS(fd, ...)

2024-08-13 15:58:17 -07:00

map_in_map.h

bpf: Add map and need_defer parameters to .map_fd_put_ptr()

2023-12-04 17:50:26 -08:00

map_iter.c

bpf: Remove redundant KF_TRUSTED_ARGS flag from all kfuncs

2026-01-02 12:04:28 -08:00

memalloc.c

bpf: replace use of system_unbound_wq with system_dfl_wq

2025-09-08 10:04:37 -07:00

mmap_unlock_work.h

bpf: Introduce helper bpf_find_vma

2021-11-07 11:54:51 -08:00

mprog.c

bpf: Handle bpf_mprog_query with NULL entry

2023-10-06 17:11:20 -07:00

net_namespace.c

bpf: Remove attach_type in bpf_netns_link

2025-07-11 11:01:04 -07:00

offload.c

net: move misc netdev_lock flavors to a separate header

2025-03-08 09:06:50 -08:00

percpu_freelist.c

bpf: Convert percpu_freelist.c to rqspinlock

2025-03-19 08:03:05 -07:00

percpu_freelist.h

bpf: Convert percpu_freelist.c to rqspinlock

2025-03-19 08:03:05 -07:00

prog_iter.c

bpf: Clean up individual BTF_ID code

2025-07-16 18:34:42 -07:00

queue_stack_maps.c

bpf: Convert queue_stack map to rqspinlock

2025-04-10 12:51:10 -07:00

range_tree.c

bpf: arena: Reintroduce memcg accounting

2026-01-02 14:31:59 -08:00

range_tree.h

bpf: Introduce range_tree data structure and use it in bpf arena

2024-11-13 13:52:45 -08:00

relo_core.c

bpf: Remove custom build rule

2024-08-30 08:55:26 -07:00

reuseport_array.c

bpf: Use sockfd_put() helper

2024-08-30 08:57:47 -07:00

ringbuf.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after 6.18-rc4

2025-11-03 14:59:55 -08:00

rqspinlock.c

rqspinlock: Precede non-head waiter queueing with AA check

2025-11-29 09:35:36 -08:00

rqspinlock.h

rqspinlock: Protect waiters in queue from stalls

2025-03-19 08:03:05 -07:00

stackmap.c

Merge tag 'bpf-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

2025-12-03 16:54:54 -08:00

stream.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after 6.18-rc5+

2025-11-14 17:43:41 -08:00

syscall.c

bpf: Add BPF_F_CPU and BPF_F_ALL_CPUS flags support for percpu_array maps

2026-01-06 20:48:32 -08:00

sysfs_btf.c

Merge tag 'driver-core-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core

2025-07-29 12:15:39 -07:00

task_iter.c

Merge tag 'vfs-6.13.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2024-11-18 10:30:29 -08:00

tcx.c

bpf: Remove location field in tcx_link

2025-07-11 11:00:57 -07:00

tnum.c

bpf: Improve the general precision of tnum_mul

2025-08-27 15:00:26 -07:00

token.c

bpf: convert bpf_token_create() to FD_PREPARE()

2025-11-28 12:42:33 +01:00

trampoline.c

bpf: move recursion detection logic to helpers

2025-12-21 10:54:37 -08:00

verifier.c

bpf: Allow calls to arena functions while holding spinlocks

2026-01-06 17:44:00 -08:00