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20b2aff4bc
linux/kernel/bpf
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Hao Luo 20b2aff4bc bpf: Introduce MEM_RDONLY flag 
This patch introduce a flag MEM_RDONLY to tag a reg value
pointing to read-only memory. It makes the following changes:

1. PTR_TO_RDWR_BUF -> PTR_TO_BUF
2. PTR_TO_RDONLY_BUF -> PTR_TO_BUF | MEM_RDONLY

Signed-off-by: Hao Luo <haoluo@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211217003152.48334-6-haoluo@google.com
2021-12-18 13:27:41 -08:00
..
preload bpf/preload: Clean up .gitignore and "clean-files" target 2021-10-20 10:39:04 -07:00
arraymap.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-10-28 10:43:58 -07:00
bloom_filter.c bpf: Add missing map_delete_elem method to bloom filter map 2021-11-01 14:22:44 -07:00
bpf_inode_storage.c bpf: Fix spelling mistakes 2021-05-24 21:13:05 -07:00
bpf_iter.c bpf: Add bpf_loop helper 2021-11-30 10:56:28 -08:00
bpf_local_storage.c bpf: Prevent deadlock from recursive bpf_task_storage_[get|delete] 2021-02-26 11:51:48 -08:00
bpf_lru_list.c bpf_lru_list: Read double-checked variable once without lock 2021-02-10 15:54:26 -08:00
bpf_lru_list.h bpf: Fix a typo "inacitve" -> "inactive" 2020-04-06 21:54:10 +02:00
bpf_lsm.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-06-17 11:54:56 -07:00
bpf_struct_ops_types.h bpf: Add dummy BPF STRUCT_OPS for test purpose 2021-11-01 14:10:00 -07:00
bpf_struct_ops.c bpf: Rename btf_member accessors. 2021-12-02 11:18:34 -08:00
bpf_task_storage.c bpf: Introduce btf_tracing_ids 2021-11-12 10:19:09 -08:00
btf.c bpf: Introduce MEM_RDONLY flag 2021-12-18 13:27:41 -08:00
cgroup.c bpf: Forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing progs 2021-11-15 20:35:58 -08:00
core.c bpf, docs: Prune all references to "internal BPF" 2021-11-30 10:52:11 -08:00
cpumap.c bpf: Let bpf_warn_invalid_xdp_action() report more info 2021-12-13 22:28:27 +01:00
devmap.c bpf: Let bpf_warn_invalid_xdp_action() report more info 2021-12-13 22:28:27 +01:00
disasm.c bpf: Relicense disassembler as GPL-2.0-only OR BSD-2-Clause 2021-09-02 14:49:23 +02:00
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: Remove bpf_image tree 2020-03-13 12:49:52 -07:00
hashtab.c bpf: Replace callers of BPF_CAST_CALL with proper function typedef 2021-09-28 16:27:18 -07:00
helpers.c bpf: Replace RET_XXX_OR_NULL with RET_XXX | PTR_MAYBE_NULL 2021-12-18 12:48:08 -08:00
inode.c bpf: Fix regression on BPF_OBJ_GET with non-O_RDWR flags 2021-06-22 14:57:43 +02:00
Kconfig bpf: Disallow unprivileged bpf by default 2021-11-01 17:06:47 +01:00
local_storage.c bpf: Increase supported cgroup storage value size 2021-07-27 15:59:29 -07:00
lpm_trie.c bpf: Allow RCU-protected lookups to happen from bh context 2021-06-24 19:41:15 +02:00
Makefile bpf: Prepare relo_core.c for kernel duty. 2021-12-02 11:18:34 -08:00
map_in_map.c bpf: Remember BTF of inner maps. 2021-07-15 22:31:10 +02:00
map_in_map.h bpf: Add map_meta_equal map ops 2020-08-28 15:41:30 +02:00
map_iter.c bpf: Introduce MEM_RDONLY flag 2021-12-18 13:27:41 -08:00
mmap_unlock_work.h bpf: Introduce helper bpf_find_vma 2021-11-07 11:54:51 -08:00
net_namespace.c bpf: Add support for forced LINK_DETACH command 2020-08-01 20:38:28 -07:00
offload.c bpf, offload: Replace bitwise AND by logical AND in bpf_prog_offload_info_fill 2020-02-17 16:53:49 +01:00
percpu_freelist.c bpf: Use raw_spin_trylock() for pcpu_freelist_push/pop in NMI 2020-10-06 00:04:11 +02:00
percpu_freelist.h bpf: Use raw_spin_trylock() for pcpu_freelist_push/pop in NMI 2020-10-06 00:04:11 +02:00
prog_iter.c bpf: Refactor bpf_iter_reg to have separate seq_info member 2020-07-25 20:16:32 -07:00
queue_stack_maps.c bpf: Eliminate rlimit-based memory accounting for queue_stack_maps maps 2020-12-02 18:32:46 -08:00
reuseport_array.c bpf: Fix spelling mistakes 2021-05-24 21:13:05 -07:00
ringbuf.c bpf: Fix false positive kmemleak report in bpf_ringbuf_area_alloc() 2021-06-28 15:57:46 +02:00
stackmap.c bpf: Introduce btf_tracing_ids 2021-11-12 10:19:09 -08:00
syscall.c add missing bpf-cgroup.h includes 2021-12-16 14:57:09 -08:00
sysfs_btf.c bpf: Load and verify kernel module BTFs 2020-11-10 15:25:53 -08:00
task_iter.c bpf: Introduce btf_tracing_ids 2021-11-12 10:19:09 -08:00
tnum.c bpf, tnums: Provably sound, faster, and more precise algorithm for tnum_mul 2021-06-01 13:34:15 +02:00
trampoline.c bpf: Add get_func_[arg|ret|arg_cnt] helpers 2021-12-13 09:25:59 -08:00
verifier.c bpf: Introduce MEM_RDONLY flag 2021-12-18 13:27:41 -08:00