diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-02-17 12:22:28 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-02-17 12:22:28 -0800 |
| commit | 93d11e0d76e3c5a8350c77d1463d9f845bdc9307 (patch) | |
| tree | c6116c2fc89cd42c15201f710dc3096b7b9e491c /kernel/bpf | |
| parent | 6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c (diff) | |
| parent | 7a2fb91285151e843d6f30c0689536a4747712cb (diff) | |
| download | linux-93d11e0d76e3c5a8350c77d1463d9f845bdc9307.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Fast path bpf marge for some -next work.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/btf.c | 5 | ||||
| -rw-r--r-- | kernel/bpf/helpers.c | 2 | ||||
| -rw-r--r-- | kernel/bpf/syscall.c | 3 |
3 files changed, 8 insertions, 2 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 11740b300de9..6f094c9f7f0b 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -5789,7 +5789,8 @@ static int btf_check_func_arg_match(struct bpf_verifier_env *env, } if (check_ptr_off_reg(env, reg, regno)) return -EINVAL; - } else if (is_kfunc && (reg->type == PTR_TO_BTF_ID || reg2btf_ids[reg->type])) { + } else if (is_kfunc && (reg->type == PTR_TO_BTF_ID || + (reg2btf_ids[base_type(reg->type)] && !type_flag(reg->type)))) { const struct btf_type *reg_ref_t; const struct btf *reg_btf; const char *reg_ref_tname; @@ -5817,7 +5818,7 @@ static int btf_check_func_arg_match(struct bpf_verifier_env *env, } } else { reg_btf = btf_vmlinux; - reg_ref_id = *reg2btf_ids[reg->type]; + reg_ref_id = *reg2btf_ids[base_type(reg->type)]; } reg_ref_t = btf_type_skip_modifiers(reg_btf, reg_ref_id, diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 4e5969fde0b3..49817755b8c3 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -2,6 +2,7 @@ /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com */ #include <linux/bpf.h> +#include <linux/btf.h> #include <linux/bpf-cgroup.h> #include <linux/rcupdate.h> #include <linux/random.h> @@ -1109,6 +1110,7 @@ static enum hrtimer_restart bpf_timer_cb(struct hrtimer *hrtimer) void *key; u32 idx; + BTF_TYPE_EMIT(struct bpf_timer); callback_fn = rcu_dereference_check(t->callback_fn, rcu_read_lock_bh_held()); if (!callback_fn) goto out; diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 72ce1edde950..753f3a3a7478 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -1354,6 +1354,7 @@ int generic_map_delete_batch(struct bpf_map *map, maybe_wait_bpf_programs(map); if (err) break; + cond_resched(); } if (copy_to_user(&uattr->batch.count, &cp, sizeof(cp))) err = -EFAULT; @@ -1411,6 +1412,7 @@ int generic_map_update_batch(struct bpf_map *map, if (err) break; + cond_resched(); } if (copy_to_user(&uattr->batch.count, &cp, sizeof(cp))) @@ -1508,6 +1510,7 @@ int generic_map_lookup_batch(struct bpf_map *map, swap(prev_key, key); retry = MAP_LOOKUP_RETRIES; cp++; + cond_resched(); } if (err == -EFAULT) |