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bpf: Move bpf_free_used_maps into sleepable section

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We later on are going to need a sleepable context as opposed to plain
RCU callback in order to untrack programs we need to poke at runtime
and tracking as well as image update is performed under mutex.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/09823b1d5262876e9b83a8e75df04cf0467357a4.1574452833.git.daniel@iogearbox.net
This commit is contained in:
Daniel Borkmann
2019-11-22 21:07:55 +01:00
committed by Alexei Starovoitov
parent 4b3da77b72
commit 6332be04c0
3 changed files with 27 additions and 20 deletions
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4
include/linux/bpf.h
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@@ -1031,6 +1031,10 @@ static inline int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
{
return -ENOTSUPP;
}
static inline void bpf_map_put(struct bpf_map *map)
{
}
#endif /* CONFIG_BPF_SYSCALL */
static inline struct bpf_prog *bpf_prog_get_type(u32 ufd,