On Sun, Jun 06, 2021 at 03:46:37PM -0700, Linus Torvalds wrote: > And yes, I realize that 'uaccess_kernel()' is hopefully always false > on any architectures we care about and so the compiler would just pick > one at compile time rather than actually having both those > initializers. > > But I think that "the uaccess_kernel() KVEC case is legacy for > architectures that haven't converted to the new world order yet" thing > is just even more of an argument for not duplicating and writing the > code out in full on a source level (and making that normal case be > ".iov = iov"). It can't even happen for the legacy architectures, given that the remaining set_fs() areas are small and never do iov_iter based I/O.
