Messages in this thread | | | From | Björn Töpel <> | Date | Mon, 18 Oct 2021 08:14:59 +0200 | Subject | Re: [PATCH v3 1/3] bpf: define bpf_jit_alloc_exec_limit for riscv JIT |
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On Thu, 14 Oct 2021 at 16:26, Lorenz Bauer <lmb@cloudflare.com> wrote: > > Expose the maximum amount of useable memory from the riscv JIT. > > Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> > Acked-by: Luke Nelson <luke.r.nels@gmail.com>
Acked-by: Björn Töpel <bjorn@kernel.org>
> --- > 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, > -- > 2.30.2 >
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