bpf: Add bpf_map_{value_size, update_value, map_copy_value} functions

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This commit moves reusable code from map_lookup_elem and map_update_elem
to avoid code duplication in kernel/bpf/syscall.c.

Signed-off-by: Brian Vazquez <brianvv@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200115184308.162644-2-brianvv@google.com

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Brian Vazquez 2020-01-15 10:43:00 -08:00 • committed by Alexei Starovoitov

parent 83e4b88be1

commit 15c14a3dca

1 changed files with 152 additions and 128 deletions

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kernel/bpf/syscall.c

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