On Wed, May 18, 2022 at 6:54 AM Xu Kuohai <xukuohai@xxxxxxxxxx> wrote: > > Add bpf trampoline support for arm64. Most of the logic is the same as > x86. > > Tested on raspberry pi 4b and qemu with KASLR disabled (avoid long jump), > result: > #9 /1 bpf_cookie/kprobe:OK > #9 /2 bpf_cookie/multi_kprobe_link_api:FAIL > #9 /3 bpf_cookie/multi_kprobe_attach_api:FAIL > #9 /4 bpf_cookie/uprobe:OK > #9 /5 bpf_cookie/tracepoint:OK > #9 /6 bpf_cookie/perf_event:OK > #9 /7 bpf_cookie/trampoline:OK > #9 /8 bpf_cookie/lsm:OK > #9 bpf_cookie:FAIL > #18 /1 bpf_tcp_ca/dctcp:OK > #18 /2 bpf_tcp_ca/cubic:OK > #18 /3 bpf_tcp_ca/invalid_license:OK > #18 /4 bpf_tcp_ca/dctcp_fallback:OK > #18 /5 bpf_tcp_ca/rel_setsockopt:OK > #18 bpf_tcp_ca:OK > #51 /1 dummy_st_ops/dummy_st_ops_attach:OK > #51 /2 dummy_st_ops/dummy_init_ret_value:OK > #51 /3 dummy_st_ops/dummy_init_ptr_arg:OK > #51 /4 dummy_st_ops/dummy_multiple_args:OK > #51 dummy_st_ops:OK > #55 fentry_fexit:OK > #56 fentry_test:OK > #57 /1 fexit_bpf2bpf/target_no_callees:OK > #57 /2 fexit_bpf2bpf/target_yes_callees:OK > #57 /3 fexit_bpf2bpf/func_replace:OK > #57 /4 fexit_bpf2bpf/func_replace_verify:OK > #57 /5 fexit_bpf2bpf/func_sockmap_update:OK > #57 /6 fexit_bpf2bpf/func_replace_return_code:OK > #57 /7 fexit_bpf2bpf/func_map_prog_compatibility:OK > #57 /8 fexit_bpf2bpf/func_replace_multi:OK > #57 /9 fexit_bpf2bpf/fmod_ret_freplace:OK > #57 fexit_bpf2bpf:OK > #58 fexit_sleep:OK > #59 fexit_stress:OK > #60 fexit_test:OK > #67 get_func_args_test:OK > #68 get_func_ip_test:OK > #104 modify_return:OK > #237 xdp_bpf2bpf:OK > > bpf_cookie/multi_kprobe_link_api and bpf_cookie/multi_kprobe_attach_api > failed due to lack of multi_kprobe on arm64. > > Signed-off-by: Xu Kuohai <xukuohai@xxxxxxxxxx> > Acked-by: Song Liu <songliubraving@xxxxxx> Catalin, Will, Mark, could you please ack this patch that you don't mind us taking this set through bpf-next ?
