* [PATCH bpf-next] LoongArch: BPF: Support mixing bpf2bpf and tailcalls
@ 2023-02-18 10:53 Hengqi Chen
0 siblings, 0 replies; only message in thread
From: Hengqi Chen @ 2023-02-18 10:53 UTC (permalink / raw)
To: bpf, loongarch; +Cc: hengqi.chen, yangtiezhu
The current implementation already allow such mixing.
Let's enable it in JIT.
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
---
arch/loongarch/net/bpf_jit.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c
index 288003a9f0ca..e70c846efaa1 100644
--- a/arch/loongarch/net/bpf_jit.c
+++ b/arch/loongarch/net/bpf_jit.c
@@ -1248,3 +1248,9 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
return prog;
}
+
+/* Indicate the JIT backend supports mixing bpf2bpf and tailcalls. */
+bool bpf_jit_supports_subprog_tailcalls(void)
+{
+ return true;
+}
--
2.31.1
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2023-02-18 10:53 [PATCH bpf-next] LoongArch: BPF: Support mixing bpf2bpf and tailcalls Hengqi Chen
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