On Sat, Aug 07, 2021 at 02:09:05PM +0200, Eugene Syromiatnikov wrote: > Commit 7ac592aa35a684ff ("sched: prctl() core-scheduling interface") > made use of enum pid_type in prctl's arg4; however, this type > and the associated enumeration definitions are not exposed to userspace. > Try to fix that by providing enum __kernel_pidtype and tying in-kernel > enum pid_type definitions to it. Note that enum pid_type cannot be exposed > as is, since "enum pid_type" is already exists in various projects [1] Grammar: "enum pid_type" already exists. > (notably gcc and strace), and "enum __pid_type" is defined by glibc and uclibc > for fcntl(F_SETOWN_EX) owner ID type; there is also __kernel_pid_t, > that looks too similar to __kernel_pid_type. > > [1] https://codesearch.debian.net/search?q=enum+pid_type > > Complements: 7ac592aa35a684ff ("sched: prctl() core-scheduling interface") > Signed-off-by: Eugene Syromiatnikov <esyr@xxxxxxxxxx> Reviewed-by: Dmitry V. Levin <ldv@xxxxxxxxxxxx> -- ldv