On Thu, Mar 22, 2018 at 10:00:36AM +0100, Dominik Brodowski wrote: > Using these helpers allows us to avoid the in-kernel calls to these > syscalls: sys_setregid(), sys_setgid(), sys_setreuid(), sys_setuid(), > sys_setresuid(), sys_setresgid(), sys_setfsuid(), and sys_setfsgid(). > > The ksys_ prefix denotes that these function are meant as a drop-in > replacement for the syscall. In particular, they use the same calling > convention. > > This patch is part of a series which tries to remove in-kernel calls to > syscalls. On this basis, the syscall entry path can be streamlined. > > Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> > --- > kernel/sys.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++-------- > kernel/uid16.c | 19 ++++++++++--------- In its header, kernel/uid16.c says, since 2.3.39 was released in January 2000: * Wrapper functions for 16bit uid back compatibility. All nicely tied * together in the faint hope we can take the out in five years time. Are we any closer to removing these wrappers? Thanks, Dominik
