diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 31181e0c2b80..d9542127dfdf 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -4163,7 +4163,7 @@ bpf_prog_update_insn_ptrs(struct bpf_prog *prog, u32 *offsets, void *image) } #endif -static inline bool bpf_map_supports_cpu_flags(enum bpf_map_type map_type) +static inline bool bpf_map_is_percpu_map(enum bpf_map_type map_type) { switch (map_type) { case BPF_MAP_TYPE_PERCPU_ARRAY: @@ -4190,7 +4190,7 @@ static inline int bpf_map_check_op_flags(struct bpf_map *map, u64 flags, u64 all return -EINVAL; if (flags & (BPF_F_CPU | BPF_F_ALL_CPUS)) { - if (!bpf_map_supports_cpu_flags(map->map_type)) + if (!bpf_map_is_percpu_map(map->map_type)) return -EINVAL; if ((flags & BPF_F_CPU) && (flags & BPF_F_ALL_CPUS)) return -EINVAL; diff --git a/kernel/bpf/fixups.c b/kernel/bpf/fixups.c index d3be972714b2..a0bddada7964 100644 --- a/kernel/bpf/fixups.c +++ b/kernel/bpf/fixups.c @@ -2008,6 +2008,9 @@ int bpf_do_misc_fixups(struct bpf_verifier_env *env) return -EFAULT; } + if (bpf_map_is_percpu_map(map_ptr->map_type)) + prog->jit_required = true; + new_prog = bpf_patch_insn_data(env, i + delta, insn_buf, cnt); if (!new_prog) @@ -2112,6 +2115,7 @@ int bpf_do_misc_fixups(struct bpf_verifier_env *env) * way, it's fine to back out this inlining logic */ #ifdef CONFIG_SMP + prog->jit_required = true; insn_buf[0] = BPF_MOV64_IMM(BPF_REG_0, (u32)(unsigned long)&cpu_number); insn_buf[1] = BPF_MOV64_PERCPU_REG(BPF_REG_0, BPF_REG_0); insn_buf[2] = BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0); @@ -2133,6 +2137,7 @@ int bpf_do_misc_fixups(struct bpf_verifier_env *env) /* Implement bpf_get_current_task() and bpf_get_current_task_btf() inline. */ if ((insn->imm == BPF_FUNC_get_current_task || insn->imm == BPF_FUNC_get_current_task_btf) && bpf_verifier_inlines_helper_call(env, insn->imm)) { + prog->jit_required = true; insn_buf[0] = BPF_MOV64_IMM(BPF_REG_0, (u32)(unsigned long)¤t_task); insn_buf[1] = BPF_MOV64_PERCPU_REG(BPF_REG_0, BPF_REG_0); insn_buf[2] = BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0); diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 4446f0bde88b..52be0a118cce 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -17887,6 +17887,7 @@ static int check_map_prog_compatibility(struct bpf_verifier_env *env, return -EOPNOTSUPP; } env->prog->aux->arena = (void *)map; + env->prog->jit_required = true; if (!bpf_arena_get_user_vm_start(env->prog->aux->arena)) { verbose(env, "arena's user address must be set via map_extra or mmap()\n"); return -EINVAL; @@ -17940,6 +17941,7 @@ static int __add_used_map(struct bpf_verifier_env *env, struct bpf_map *map) return err; } env->insn_array_maps[env->insn_array_map_cnt++] = map; + env->prog->jit_required = true; } return env->used_map_cnt - 1;