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    Subject[PATCH v4 10/10] x86-64: Add CONFIG_UNSAFE_VSYSCALLS to feature-removal-schedule
    Date
    Signed-off-by: Andy Lutomirski <luto@mit.edu>
    ---
    Documentation/feature-removal-schedule.txt | 9 +++++++++
    1 files changed, 9 insertions(+), 0 deletions(-)

    diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
    index 1a9446b..94b4470 100644
    --- a/Documentation/feature-removal-schedule.txt
    +++ b/Documentation/feature-removal-schedule.txt
    @@ -600,3 +600,12 @@ Why: Superseded by the UVCIOC_CTRL_QUERY ioctl.
    Who: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

    ----------------------------
    +
    +What: CONFIG_UNSAFE_VSYSCALLS (x86_64)
    +When: When glibc 2.14 or newer is ubitquitous. Perhaps mid-2012.
    +Why: Having user-executable code at a fixed address is a security problem.
    + Turning off CONFIG_UNSAFE_VSYSCALLS mostly removes the risk but will
    + make the time() function slower on glibc versions 2.13 and below.
    +Who: Andy Lutomirski <luto@mit.edu>
    +
    +----------------------------
    --
    1.7.5.1


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