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[v2,bpf-next,3/9] libbpf: use explicit map reuse flag to skip map creation steps

Message ID 20240102190055.1602698-4-andrii@kernel.org (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series Libbpf-side __arg_ctx fallback support | expand

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Commit Message

Andrii Nakryiko Jan. 2, 2024, 7 p.m. UTC 
Instead of inferring whether map already point to previously
created/pinned BPF map (which user can specify with bpf_map__reuse_fd()) API),
use explicit map->reused flag that is set in such case.

Acked-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
 tools/lib/bpf/libbpf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 4d4951933836..a0cf57b59b6a 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -5448,7 +5448,7 @@  static int bpf_object_create_maps(struct bpf_object *obj)
 			}
 		}
 
-		if (map->fd >= 0) {
+		if (map->reused) {
 			pr_debug("map '%s': skipping creation (preset fd=%d)\n",
 				 map->name, map->fd);
 		} else {