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(parent: 9228df1) | patch
bpf: Add bpf_kallsyms_lookup_name helper
authorKumar Kartikeya Dwivedi <memxor@gmail.com>
Thu, 28 Oct 2021 06:34:54 +0000 (12:04 +0530)
committerAlexei Starovoitov <ast@kernel.org>
Thu, 28 Oct 2021 23:30:06 +0000 (16:30 -0700)
commit4d6f7cfc9449a1c790c54802d8d9da7f5b3a90e6
treee0a592a65fa04ea132da6c21be6517498544f650tree | snapshot
parent9228df128ff2dd039848502d7b39daa26dca5898commit | diff
bpf: Add bpf_kallsyms_lookup_name helper

This helper allows us to get the address of a kernel symbol from inside
a BPF_PROG_TYPE_SYSCALL prog (used by gen_loader), so that we can
relocate typeless ksym vars.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20211028063501.2239335-2-memxor@gmail.com
include/linux/bpf.h diff | blob | history
include/uapi/linux/bpf.h diff | blob | history
kernel/bpf/syscall.c diff | blob | history
tools/include/uapi/linux/bpf.h diff | blob | history
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