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net: xdp: remove unused bfp_warn_invalid_xdp_buffer()

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After commit 73b62bd085 ("virtio-net:
remove the warning before XDP linearizing"), there's no users for
bpf_warn_invalid_xdp_buffer(), so remove it. This is a revert for
commit f23bc46c30.

Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jason Wang 2016-12-27 10:49:54 +08:00 committed by David S. Miller
parent df30f7408b
commit be26727772
2 changed files with 0 additions and 7 deletions
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1
include/linux/filter.h
View File

@ -610,7 +610,6 @@ bool bpf_helper_changes_pkt_data(void *func);
struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
const struct bpf_insn *patch, u32 len);
void bpf_warn_invalid_xdp_action(u32 act);
void bpf_warn_invalid_xdp_buffer(void);
#ifdef CONFIG_BPF_JIT
extern int bpf_jit_enable;

6
net/core/filter.c
View File

@ -2972,12 +2972,6 @@ void bpf_warn_invalid_xdp_action(u32 act)
}
EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_action);
void bpf_warn_invalid_xdp_buffer(void)
{
WARN_ONCE(1, "Illegal XDP buffer encountered, expect throughput degradation\n");
}
EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_buffer);
static u32 sk_filter_convert_ctx_access(enum bpf_access_type type, int dst_reg,
int src_reg, int ctx_off,
struct bpf_insn *insn_buf,