On Fri, Jul 26, 2019 at 2:28 PM Stanislav Fomichev <sdf@xxxxxxxxxxx> wrote: > > On 07/26, Andrii Nakryiko wrote: > > libbpf_swap_print allows to restore previously set print function. > > This is useful when running many independent test with one default print > > function, but overriding log verbosity for particular subset of tests. > Can we change the return type of libbpf_set_print instead and return > the old function from it? Will it break ABI? Yeah, thought about that, but I wasn't sure about ABI breakage. It seems like it shouldn't, so I'll just change libbpf_set_print signature instead. > > > Signed-off-by: Andrii Nakryiko <andriin@xxxxxx> > > --- > > tools/lib/bpf/libbpf.c | 8 ++++++++ > > tools/lib/bpf/libbpf.h | 1 + > > tools/lib/bpf/libbpf.map | 5 +++++ > > 3 files changed, 14 insertions(+) > > [...]
