On Mon, Aug 20, 2018 at 4:47 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > 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. Hmm, so this way? + select HOTPLUG_CPU if SMP + select HOTPLUG_SMT if HOTPLUG_CPU thanks! -- Jack Wang Linux Kernel Developer ProfitBricks GmbH Greifswalder Str. 207 D - 10405 Berlin Tel: +49 30 577 008 042 Fax: +49 30 577 008 299 Email: jinpu.wang@xxxxxxxxxxxxxxxx URL: https://www.profitbricks.de Sitz der Gesellschaft: Berlin Registergericht: Amtsgericht Charlottenburg, HRB 125506 B Geschäftsführer: Achim Weiss, Matthias Steinberg, Christoph Steffens
