[PATCH bpf-next 1/4] bpf: define bpf_jit_alloc_exec_limit for riscv JIT
From: Lorenz Bauer <hidden>
Date: 2021-09-24 09:56:26
Also in:
bpf, linux-riscv, lkml
Subsystem:
bpf jit for risc-v (32-bit), bpf jit for risc-v (64-bit), bpf [general] (safe dynamic programs and tools), risc-v architecture, the rest · Maintainers:
Luke Nelson, Xi Wang, Björn Töpel, Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Paul Walmsley, Palmer Dabbelt, Albert Ou, Linus Torvalds
Expose the maximum amount of useable memory from the sparcv JIT. Signed-off-by: Lorenz Bauer <redacted> --- arch/riscv/net/bpf_jit_core.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/riscv/net/bpf_jit_core.c b/arch/riscv/net/bpf_jit_core.c
index fed86f42dfbe..0fee2cbaaf53 100644
--- a/arch/riscv/net/bpf_jit_core.c
+++ b/arch/riscv/net/bpf_jit_core.c@@ -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,
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2.30.2