]> git.baikalelectronics.ru Git - kernel.git/commit
bpf: Make reference tracking generic
authorLorenz Bauer <lmb@cloudflare.com>
Mon, 21 Sep 2020 12:12:22 +0000 (13:12 +0100)
committerAlexei Starovoitov <ast@kernel.org>
Mon, 21 Sep 2020 22:00:41 +0000 (15:00 -0700)
commit02f7c9585d1e2d5d76cac497bd5ced8ecf9d6f56
treeb274d20e010153444b2df8bb4eebad2d29a136d2
parentd7b9454a4f6333bf145189b8e769011d15bdd50e
bpf: Make reference tracking generic

Instead of dealing with reg->ref_obj_id individually for every arg type that
needs it, rely on the fact that ref_obj_id is zero if the register is not
reference tracked.

Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200921121227.255763-7-lmb@cloudflare.com
kernel/bpf/verifier.c