Messages in this thread | | | Subject | Re: [RFC PATCH v3 1/8] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking | From | Randy Dunlap <> | Date | Thu, 30 Aug 2018 12:38:06 -0700 |
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On 08/30/2018 07:40 AM, Yu-cheng Yu wrote: > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 2cfe11e1cf7f..0d97b03f35f6 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -1941,6 +1941,18 @@ config X86_INTEL_SHADOW_STACK_USER > > If unsure, say y. > > +config X86_INTEL_BRANCH_TRACKING_USER > + prompt "Intel Indirect Branch Tracking for user-mode" > + def_bool n > + depends on CPU_SUP_INTEL && X86_64 > + select X86_INTEL_CET > + select ARCH_HAS_PROGRAM_PROPERTIES > + ---help--- > + Indirect Branch Tracking provides hardware protection against return-/jmp- > + oriented programing attacks.
programming
> + > + If unsure, say y > + > config EFI > bool "EFI runtime service support" > depends on ACPI
-- ~Randy
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