Re: [RFC PATCH v3 1/8] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking

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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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