On Thu, Sep 19, 2024 at 11:17 PM Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: > > On Thu, Sep 19, 2024 at 9:55 PM Jason Xing <kerneljasonxing@xxxxxxxxx> wrote: > > > > From: Jason Xing <kernelxing@xxxxxxxxxxx> > > > > In some environments (gcc treated as error in W=1, which is default), if we > > make -C samples/bpf/, it will be stopped because of > > "no previous prototype" error like this: > > > > ../samples/bpf/syscall_nrs.c:7:6: > > error: no previous prototype for ‘syscall_defines’ [-Werror=missing-prototypes] > > void syscall_defines(void) > > ^~~~~~~~~~~~~~~ > > samples/bpf/ doesn't accept patches any more. Thanks for your reminder. I didn't know that. > If this samples/test is useful, refactor it to the test_progs framework. > Otherwise delete it. I'm trying to use the samples/test to do some tests to verify if some functions like bpf_sock_ops_cb_flags_set() can work. Then I encountered the issue as this patch said.
