From: Lorenz Bauer Date: Thu, 14 Oct 2021 14:25:51 +0000 (+0100) Subject: bpf: Define bpf_jit_alloc_exec_limit for riscv JIT X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8f04db78e4e36a5d4858ce841a3e9cc3d69bde36;p=linux.git bpf: Define bpf_jit_alloc_exec_limit for riscv JIT Expose the maximum amount of useable memory from the riscv JIT. Signed-off-by: Lorenz Bauer Signed-off-by: Alexei Starovoitov Acked-by: Luke Nelson Acked-by: Björn Töpel Link: https://lore.kernel.org/bpf/20211014142554.53120-2-lmb@cloudflare.com --- diff --git a/arch/riscv/net/bpf_jit_core.c b/arch/riscv/net/bpf_jit_core.c index fed86f42dfbe5..0fee2cbaaf533 100644 --- a/arch/riscv/net/bpf_jit_core.c +++ b/arch/riscv/net/bpf_jit_core.c @@ -166,6 +166,11 @@ out: 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,