On Thu, 25 Apr 2019, Li, Aubrey wrote: > On 2019/4/25 15:20, Thomas Gleixner wrote: > > Let the arch select CONFIG_PROC_PID_ARCH_STATUS > > Sorry, I didn't get the point here, above you mentioned not mixing arch and proc code > and not enabling this on x86 right away, then how to let x86 select it? > By using 'select PROC_PID_ARCH_STATUS' in the arch/xxxx/Kconfig file in the patch which implements the required arch function perhaps? Thanks, tglx