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torvalds-linux/kernel/bpf
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Leon Hwang e25ddfb388 bpf: Reject bpf_timer for PREEMPT_RT 
When enable CONFIG_PREEMPT_RT, the kernel will warn when run timer
selftests by './test_progs -t timer':

BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48

In order to avoid such warning, reject bpf_timer in verifier when
PREEMPT_RT is enabled.

Signed-off-by: Leon Hwang <leon.hwang@linux.dev>
Link: https://lore.kernel.org/r/20250910125740.52172-2-leon.hwang@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-09-10 12:34:09 -07:00
..
preload
umd: Remove usermode driver framework
2025-07-26 21:03:04 +02:00
arena.c
bpf/arena: add bpf_arena_reserve_pages kfunc
2025-07-11 10:43:54 -07:00
arraymap.c
bpf: add btf_type_is_i{32,64} helpers
2025-06-25 15:15:49 -07:00
bloom_filter.c
…
bpf_cgrp_storage.c
…
bpf_inode_storage.c
…
bpf_iter.c
bpf: Add attach_type field to bpf_link
2025-07-11 10:51:55 -07:00
bpf_local_storage.c
bpf: add btf_type_is_i{32,64} helpers
2025-06-25 15:15:49 -07:00
bpf_lru_list.c
bpf: Adjust free target to avoid global starvation of LRU map
2025-06-18 18:50:14 -07:00
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.c
…
bpf_struct_ops.c
bpf: Add attach_type field to bpf_link
2025-07-11 10:51:55 -07:00
bpf_task_storage.c
…
btf_iter.c
…
btf_relocate.c
…
btf.c
bpf-next-6.17
2025-07-30 09:58:50 -07:00
cgroup_iter.c
…
cgroup.c
bpf-next-6.17
2025-07-30 09:58:50 -07:00
core.c
bpf: Allow fall back to interpreter for programs with stack size <= 512
2025-09-09 15:12:16 -07:00
cpumap.c
bpf, cpumap: Disable page_pool direct xdp_return need larger scope
2025-08-15 11:08:08 +02:00
cpumask.c
…
crypto.c
bpf: Fix out-of-bounds dynptr write in bpf_crypto_crypt
2025-09-09 15:07:57 -07:00
devmap.c
…
disasm.c
…
disasm.h
…
dispatcher.c
…
dmabuf_iter.c
bpf: Add open coded dmabuf iterator
2025-05-27 09:51:25 -07:00
hashtab.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after rc4
2025-04-28 08:40:45 -07:00
helpers.c
bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()
2025-09-09 15:24:34 -07:00
inode.c
VFS: rename lookup_one_len family to lookup_noperm and remove permission check
2025-04-08 11:24:36 +02:00
Kconfig
…
kmem_cache_iter.c
…
link_iter.c
bpf: Clean up individual BTF_ID code
2025-07-16 18:34:42 -07:00
local_storage.c
bpf: add btf_type_is_i{32,64} helpers
2025-06-25 15:15:49 -07:00
log.c
…
lpm_trie.c
…
Makefile
rqspinlock: Choose trylock fallback for NMI waiters
2025-09-09 15:10:28 -07:00
map_in_map.c
…
map_in_map.h
…
map_iter.c
…
memalloc.c
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mmap_unlock_work.h
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mprog.c
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net_namespace.c
bpf: Remove attach_type in bpf_netns_link
2025-07-11 11:01:04 -07:00
offload.c
…
percpu_freelist.c
…
percpu_freelist.h
…
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
…
range_tree.h
…
relo_core.c
…
reuseport_array.c
…
ringbuf.c
bpf: Convert ringbuf map to rqspinlock
2025-04-11 10:28:26 -07:00
rqspinlock.c
rqspinlock: Choose trylock fallback for NMI waiters
2025-09-09 15:10:28 -07:00
rqspinlock.h
…
stackmap.c
…
stream.c
bpf: Fix improper int-to-ptr cast in dump_stack_cb
2025-07-07 08:30:15 -07:00
syscall.c
bpf: Move bpf map owner out of common struct
2025-07-31 11:30:05 -07:00
sysfs_btf.c
Driver core changes for 6.17-rc1
2025-07-29 12:15:39 -07:00
task_iter.c
…
tcx.c
bpf: Remove location field in tcx_link
2025-07-11 11:00:57 -07:00
tnum.c
bpf: Add range tracking for BPF_NEG
2025-06-25 15:12:17 -07:00
token.c
bpf: Add struct bpf_token_info
2025-07-16 18:38:05 -07:00
trampoline.c
bpf: Add attach_type field to bpf_link
2025-07-11 10:51:55 -07:00
verifier.c
bpf: Reject bpf_timer for PREEMPT_RT
2025-09-10 12:34:09 -07:00