Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> writes: > On Fri, Dec 10, 2021 at 6:26 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: >> >> Yihao Han <hanyihao@xxxxxxxx> writes: >> >> > Fix following swap.cocci warning: >> > ./samples/bpf/xdpsock_user.c:528:22-23: >> > WARNING opportunity for swap() >> > >> > Signed-off-by: Yihao Han <hanyihao@xxxxxxxx> >> >> Erm, did this get applied without anyone actually trying to compile >> samples? I'm getting build errors as: > > Good news: I actually do build samples/bpf nowadays after fixing a > bunch of compilation issues recently. Awesome! > Bad news: seems like I didn't pay too much attention after building > samples/bpf for this particular patch, sorry about that. I've dropped > this patch, samples/bpf builds for me. We should be good now. Yup, looks good, thanks! >> CC /home/build/linux/samples/bpf/xsk_fwd.o >> /home/build/linux/samples/bpf/xsk_fwd.c: In function ‘swap_mac_addresses’: >> /home/build/linux/samples/bpf/xsk_fwd.c:658:9: warning: implicit declaration of function ‘swap’; did you mean ‘swab’? [-Wimplicit-function-declaration] >> 658 | swap(*src_addr, *dst_addr); >> | ^~~~ >> | swab >> >> /usr/bin/ld: /home/build/linux/samples/bpf/xsk_fwd.o: in function `thread_func': >> xsk_fwd.c:(.text+0x440): undefined reference to `swap' >> collect2: error: ld returned 1 exit status >> >> >> Could we maybe get samples/bpf added to the BPF CI builds? :) > > Maybe we could, if someone dedicated their effort towards making this > happen. Is it documented anywhere what that would entail? Is it just a matter of submitting a change to https://github.com/kernel-patches/vmtest ? -Toke