Commit 8f04db78 authored by Lorenz Bauer's avatar Lorenz Bauer Committed by Alexei Starovoitov
Browse files

bpf: Define bpf_jit_alloc_exec_limit for riscv JIT 



Expose the maximum amount of useable memory from the riscv JIT.

Signed-off-by: default avatarLorenz Bauer <lmb@cloudflare.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarLuke Nelson <luke.r.nels@gmail.com>
Acked-by: default avatarBjörn Töpel <bjorn@kernel.org>
Link: https://lore.kernel.org/bpf/20211014142554.53120-2-lmb@cloudflare.com
parent 4225fea1

arch/riscv/net/bpf_jit_core.c

+5 −0
Original line number Diff line number Diff line
@@ -166,6 +166,11 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) 
	return prog;

}



u64 bpf_jit_alloc_exec_limit(void)

{

	return BPF_JIT_REGION_SIZE;

}



void *bpf_jit_alloc_exec(unsigned long size)

{

	return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_START,