| Date | Tue, 5 Dec 2017 10:34:08 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [patch 57/60] x86/mm/kpti: Add Kconfig |
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On Mon, 4 Dec 2017, Thomas Gleixner wrote: > On Mon, 4 Dec 2017, Andy Lutomirski wrote: > > On Mon, Dec 4, 2017 at 6:08 AM, Thomas Gleixner <tglx@linutronix.de> wrote: > > > --- a/security/Kconfig > > > +++ b/security/Kconfig > > > @@ -54,6 +54,16 @@ config SECURITY_NETWORK > > > implement socket and networking access controls. > > > If you are unsure how to answer this question, answer N. > > > > > > +config KERNEL_PAGE_TABLE_ISOLATION > > > + bool "Remove the kernel mapping in user mode" > > > + depends on X86_64 && JUMP_LABEL > > > > select JUMP_LABEL perhaps? > > Silly me. Yes.
Peter just pointed out that we switched everything to cpu_has() which is using alternatives so jump label is not longer required at all.
Thanks,
tglx
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