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bpf: remove stubs for cBPF from arch code

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Remove the dummy bpf_jit_compile() stubs for eBPF JITs and make
that a single __weak function in the core that can be overridden
similarly to the eBPF one. Also remove stale pr_err() mentions
of bpf_jit_compile.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann
2017-02-16 22:24:49 +01:00
committed by David S. Miller
parent c78f8bdfa1
commit 9383191da4
6 changed files with 14 additions and 27 deletions
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6
include/linux/filter.h
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@@ -607,6 +607,7 @@ void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp);
u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog);
void bpf_jit_compile(struct bpf_prog *prog);
bool bpf_helper_changes_pkt_data(void *func);
struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
@@ -625,7 +626,6 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
bpf_jit_fill_hole_t bpf_fill_ill_insns);
void bpf_jit_binary_free(struct bpf_binary_header *hdr);
void bpf_jit_compile(struct bpf_prog *fp);
void bpf_jit_free(struct bpf_prog *fp);
struct bpf_prog *bpf_jit_blind_constants(struct bpf_prog *fp);
@@ -669,10 +669,6 @@ static inline bool bpf_jit_blinding_enabled(void)
return true;
}
#else
static inline void bpf_jit_compile(struct bpf_prog *fp)
{
}
static inline void bpf_jit_free(struct bpf_prog *fp)
{
bpf_prog_unlock_free(fp);