Re: [RFC PATCH v3 1/8] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking
From: Randy Dunlap <hidden>
Date: 2018-08-30 19:38:27
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linux-api, linux-doc, linux-mm, lkml
On 08/30/2018 07:40 AM, Yu-cheng Yu wrote:
quoted hunk ↗ jump to hunk
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