Re: [BUG]smt sysfs dir missing on 4.4.148 and 4.14.63

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux