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authorLorenz Bauer <lmb@cloudflare.com>2021-10-14 15:25:51 +0100
committerAlexei Starovoitov <ast@kernel.org>2021-10-22 17:23:53 -0700
commit8f04db78e4e36a5d4858ce841a3e9cc3d69bde36 (patch)
treec776dfbaf88e3880943e2e3aa26cca7e4642a618 /arch
parent4225fea1cb28370086e17e82c0f69bec2779dca0 (diff)
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 <lmb@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Luke Nelson <luke.r.nels@gmail.com> Acked-by: Björn Töpel <bjorn@kernel.org> Link: https://lore.kernel.org/bpf/20211014142554.53120-2-lmb@cloudflare.com
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/net/bpf_jit_core.c5
1 files changed, 5 insertions, 0 deletions
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 @@ 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,