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| author | Alexei Starovoitov <ast@kernel.org> | 2022-09-02 23:10:56 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-09-05 15:33:06 +0200 |
| commit | 02cc5aa29e8cef4c1d710accd423546ab63f4eda (patch) | |
| tree | 6621deafbb666f230e4b4836247a9b1113a58f7e /kernel/profile.c | |
| parent | bpf: Prepare bpf_mem_alloc to be used by sleepable bpf programs. (diff) | |
| download | linux-02cc5aa29e8cef4c1d710accd423546ab63f4eda.tar.xz linux-02cc5aa29e8cef4c1d710accd423546ab63f4eda.zip | |
bpf: Remove prealloc-only restriction for sleepable bpf programs.
Since hash map is now converted to bpf_mem_alloc and it's waiting for rcu and
rcu_tasks_trace GPs before freeing elements into global memory slabs it's safe
to use dynamically allocated hash maps in sleepable bpf programs.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220902211058.60789-15-alexei.starovoitov@gmail.com
Diffstat (limited to 'kernel/profile.c')
0 files changed, 0 insertions, 0 deletions