On Tue, 28 Jan 2020 at 03:15, Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx> wrote: > [...] > > > > BPF passes arguments in R1, R2, ..., and return value in R0. Given > > that a0 plays the role of R1 and R0, how can we avoid the register > > juggling (without complicating the JIT too much)? It would be nice > > though... and ARM64 has the same concern AFAIK. > > Oh, why did you say that? This kind of stuff is why I'm twenty days behind on > email... > > https://lore.kernel.org/bpf/20200128021145.36774-1-palmerdabbelt@xxxxxxxxxx/T/#t > > :) > (back from vacation) :-D Very nice, I'll take a look! Björn
