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    SubjectRe: [PATCH v26 1/9] x86/cet/ibt: Add Kconfig option for Indirect Branch Tracking
    On Tue, Apr 27, 2021 at 01:47:12PM -0700, Yu-cheng Yu wrote:
    > Indirect Branch Tracking (IBT) provides protection against CALL-/JMP-
    > oriented programming attacks. It is active when the kernel has this
    > feature enabled, and the processor and the application support it.
    > When this feature is enabled, legacy non-IBT applications continue to
    > work, but without IBT protection.
    >
    > Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>

    Reviewed-by: Kees Cook <keescook@chromium.org>

    --
    Kees Cook

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