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bpf: remove global variables

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Move three global variables protected by bpf_verifier_lock into
'struct bpf_verifier_env' to allow parallel verification.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Alexei Starovoitov
2019-04-19 07:44:54 -07:00
committed by Daniel Borkmann
parent 3b8802446d
commit 7df737e991
2 changed files with 18 additions and 12 deletions
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5
include/linux/bpf_verifier.h
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@@ -295,6 +295,11 @@ struct bpf_verifier_env {
const struct bpf_line_info *prev_linfo;
struct bpf_verifier_log log;
struct bpf_subprog_info subprog_info[BPF_MAX_SUBPROGS + 1];
struct {
int *insn_state;
int *insn_stack;
int cur_stack;
} cfg;
u32 subprog_cnt;
/* number of instructions analyzed by the verifier */
u32 insn_processed;