On Mon, 20 Aug 2018, Jinpu Wang wrote: > On Mon, Aug 20, 2018 at 3:02 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > That works, but we might as well force 'select HOTPLUG_CPU if SMP' so the > > L1TF mitigations are functional. Sigh.... > > > > Thanks, > > > > tglx > right, sth like? > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index b0312f8..5852948 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -188,7 +188,8 @@ config X86 > select HAVE_SYSCALL_TRACEPOINTS > select HAVE_UNSTABLE_SCHED_CLOCK > select HAVE_USER_RETURN_NOTIFIER > - select HOTPLUG_SMT if SMP > + select HOTPLUG_CPU if SMP > + select HOTPLUG_SMT if SMP && HOTPLUG_CPU The && HOTPLUG is pretty pointless now.
