The BPF verifier can lower bpf_kptr_xchg() to BPF_XCHG when the JIT advertises ptr xchg support. With ordered amswap_db.* emission from the previous patch, declare that LoongArch bpf JIT supports this inlining.
Signed-off-by: Chenguang Zhao <[email protected]> --- arch/loongarch/net/bpf_jit.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c index f071d913e054..4f3aa53eda20 100644 --- a/arch/loongarch/net/bpf_jit.c +++ b/arch/loongarch/net/bpf_jit.c @@ -2362,6 +2362,11 @@ bool bpf_jit_supports_fsession(void) return true; } +bool bpf_jit_supports_ptr_xchg(void) +{ + return true; +} + /* Indicate the JIT backend supports mixing bpf2bpf and tailcalls. */ bool bpf_jit_supports_subprog_tailcalls(void) { -- 2.25.1
