bpf: move global verifier log into verifier environment
commit61bd5218eef349fcacc4976a251bc83a4748b4af
authorJakub Kicinski <jakub.kicinski@netronome.com>
Mon, 9 Oct 2017 17:30:11 +0000 (9 10:30 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 10 Oct 2017 19:30:16 +0000 (10 12:30 -0700)
treef0ff9fabfbedb0b6b29655b367016512d5d86d42
parente7bf8249e8f1bac64885eeccb55bcf6111901a81
bpf: move global verifier log into verifier environment

The biggest piece of global state protected by the verifier lock
is the verifier_log.  Move that log to struct bpf_verifier_env.
struct bpf_verifier_env has to be passed now to all invocations
of verbose().

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/bpf_verifier.h
kernel/bpf/verifier.c