Messages in this thread | | | Date | Tue, 1 Dec 2020 17:02:12 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v15 05/26] x86/cet/shstk: Add Kconfig option for user-mode Shadow Stack |
| |
On Mon, Nov 30, 2020 at 02:48:09PM -0800, Yu, Yu-cheng wrote: > Logically, enabling IBT without shadow stack does not make sense, but these > features have different CPUIDs, and CONFIG_X86_SHADOW_STACK_USER and > CONFIG_X86_BRANCH_TRACKING_USER can be selected separately. > > Do we want to have only one selection for both features? In other words, we > turn on both or neither.
Question is, do they need to be handled separately at all?
If not and IOW, I like dhansen's X86_FEATURE_CET synthetic feature suggestion.
Thx.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
| |