bpf: sockmap: Call sock_map_update_elem directly

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Don't go via map->ops to call sock_map_update_elem, since we know
what function to call in bpf_map_update_value. Since we currently
don't allow calling map_update_elem from BPF context, we can remove
ops->map_update_elem and rename the function to sock_map_update_elem_sys.

Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200821102948.21918-4-lmb@cloudflare.com

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Lorenz Bauer 2020-08-21 11:29:45 +01:00 • committed by Alexei Starovoitov

parent 38e12f908a

commit 13b79d3ffb

3 changed files with 12 additions and 6 deletions

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7

include/linux/bpf.h

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5

kernel/bpf/syscall.c

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6

net/core/sock_map.c

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