On Sat, Sep 19, 2020 at 03:53:40PM -0700, Andy Lutomirski wrote: > > It would not be a win - most of the syscalls don't give a damn > > about 32bit vs. 64bit... > > Any reasonable implementation would optimize it out for syscalls that don’t care. Or it could be explicit: > > DEFINE_MULTIARCH_SYSCALL(...) 1) what would that look like? 2) have you counted the syscalls that do and do not need that? 3) how many of those realistically *can* be unified with their compat counterparts? [hint: ioctl(2) cannot]
