Messages in this thread | | | From | Jinpu Wang <> | Date | Mon, 20 Aug 2018 16:52:41 +0200 | Subject | Re: [BUG]smt sysfs dir missing on 4.4.148 and 4.14.63 |
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On Mon, Aug 20, 2018 at 4:47 PM Thomas Gleixner <tglx@linutronix.de> wrote: > > On Mon, 20 Aug 2018, Jinpu Wang wrote: > > On Mon, Aug 20, 2018 at 3:02 PM Thomas Gleixner <tglx@linutronix.de> 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
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