diff mbox series

[v2,1/4] bpf: define bpf_jit_alloc_exec_limit for riscv JIT

Message ID 20211012135935.37054-2-lmb@cloudflare.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series Fix up bpf_jit_limit some more | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch
bpf/vmtest-bpf fail VM_Test
bpf/vmtest-bpf-PR fail PR summary
bpf/vmtest-bpf-next success VM_Test
bpf/vmtest-bpf-next-PR success PR summary

Commit Message

Lorenz Bauer Oct. 12, 2021, 1:59 p.m. UTC 
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>
---
 arch/riscv/net/bpf_jit_core.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

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,