On Wed, Apr 21, 2021 at 08:54:15AM +0000, guoren@xxxxxxxxxx wrote: > From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> > > Using asm-generic/uaccess.h to prevent duplicated code: > - Add user_addr_max which mentioned in generic uaccess.h > - Remove custom definitions of KERNEL/USER_DS, get/set_fs, > uaccess_kerenl Instead of using the generic definitions removing support for set_fs entirely would be much preferred. The series in linux-next for mips, or the riscv version that landed in 5.10 might be good examples.