[PATCH v3 bpf-next 1/7] bpf: add bpf_patch_call_args prototype to include/linux/bpf.h
From: Andrii Nakryiko <andrii@kernel.org>
Date: 2021-01-12 07:56:41
Also in:
netdev
Subsystem:
bpf [core], bpf [general] (safe dynamic programs and tools), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
Add bpf_patch_call_args() prototype. This function is called from BPF verifier
and only if CONFIG_BPF_JIT_ALWAYS_ON is not defined. This fixes compiler
warning about missing prototype in some kernel configurations.
Reported-by: kernel test robot <redacted>
Fixes: 1ea47e01ad6e ("bpf: add support for bpf_call to interpreter")
Acked-by: Yonghong Song <redacted>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
include/linux/bpf.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 07cb5d15e743..ef9309604b3e 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h@@ -1403,7 +1403,10 @@ static inline void bpf_long_memcpy(void *dst, const void *src, u32 size) /* verify correctness of eBPF program */ int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, union bpf_attr __user *uattr); + +#ifndef CONFIG_BPF_JIT_ALWAYS_ON void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth); +#endif struct btf *bpf_get_btf_vmlinux(void);
--
2.24.1