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authorYonghong Song <yhs@fb.com>2020-05-13 11:02:19 -0700
committerAlexei Starovoitov <ast@kernel.org>2020-05-13 12:30:50 -0700
commit15172a46fa2796c1a1358a36babd31274716ed41 (patch)
treec03b6ee05a943f83193860af50c6a9b364b13d4f /kernel/bpf/map_iter.c
parent2e3ed68bfcd9c5ca2cf8b88ba23a34992ccd0b1f (diff)
downloadlinux-15172a46fa2796c1a1358a36babd31274716ed41.tar.gz
linux-15172a46fa2796c1a1358a36babd31274716ed41.tar.xz
bpf: net: Refactor bpf_iter target registration
Currently bpf_iter_reg_target takes parameters from target and allocates memory to save them. This is really not necessary, esp. in the future we may grow information passed from targets to bpf_iter manager. The patch refactors the code so target reg_info becomes static and bpf_iter manager can just take a reference to it. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200513180219.2949605-1-yhs@fb.com
Diffstat (limited to 'kernel/bpf/map_iter.c')
-rw-r--r--kernel/bpf/map_iter.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/bpf/map_iter.c b/kernel/bpf/map_iter.c
index 8162e0c00b9f..c6216a5fe56e 100644
--- a/kernel/bpf/map_iter.c
+++ b/kernel/bpf/map_iter.c
@@ -81,17 +81,17 @@ static const struct seq_operations bpf_map_seq_ops = {
.show = bpf_map_seq_show,
};
+static const struct bpf_iter_reg bpf_map_reg_info = {
+ .target = "bpf_map",
+ .seq_ops = &bpf_map_seq_ops,
+ .init_seq_private = NULL,
+ .fini_seq_private = NULL,
+ .seq_priv_size = sizeof(struct bpf_iter_seq_map_info),
+};
+
static int __init bpf_map_iter_init(void)
{
- struct bpf_iter_reg reg_info = {
- .target = "bpf_map",
- .seq_ops = &bpf_map_seq_ops,
- .init_seq_private = NULL,
- .fini_seq_private = NULL,
- .seq_priv_size = sizeof(struct bpf_iter_seq_map_info),
- };
-
- return bpf_iter_reg_target(&reg_info);
+ return bpf_iter_reg_target(&bpf_map_reg_info);
}
late_initcall(bpf_map_iter_init);