On Fri, Mar 24, 2023 at 9:49 AM Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Fri, Mar 24, 2023 at 5:36 AM Sasha Levin <sashal@xxxxxxxxxx> wrote: > > > > Commit f122a08b197d ("capability: just use a 'u64' instead of a 'u32[2]' > > array") attempts to use BIT_LL() but actually wanted to use BIT_ULL(), > > fix it up to make the test compile and run again. It would only fix the compilation error, but the test would still fail. > This got fixed differently by e8c8361cfdbf ("selftests/bpf: Fix > progs/test_deny_namespace.c issues"). exactly. It's not just the macro that had to be adjusted. > I wonder what drugs made me think BIT_LL() was ok. Maybe my wife puts > something in the coffee? $ make C=2 kernel/bpf/core.o kernel/bpf/core.c:1822:43: error: arithmetics on pointers to functions kernel/bpf/core.c:1827:48: error: arithmetics on pointers to functions kernel/bpf/core.c:2073:77: error: subtraction of functions? Share your drugs :)