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SubjectRe: [PATCH v16 02/26] x86/cet/shstk: Add Kconfig option for user-mode control-flow protection
On Wed, Dec 09, 2020 at 02:22:56PM -0800, Yu-cheng Yu wrote:
> Shadow Stack provides protection against function return address
> corruption. It is active when the processor supports it, the kernel has
> CONFIG_X86_CET_USER, and the application is built for the feature.
^
enabled.

> This is only implemented for the 64-bit kernel. When it is enabled, legacy
> non-Shadow Stack applications continue to work, but without protection.
>
> Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>
> ---
> arch/x86/Kconfig | 22 ++++++++++++++++++++++
> arch/x86/Kconfig.assembler | 5 +++++
> 2 files changed, 27 insertions(+)

Rest looks good, thanks.

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette

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