• Kees Cook's avatar
    x86, mm: Report state of NX protections during boot · 4b0f3b81
    Kees Cook authored
    It is possible for x86_64 systems to lack the NX bit either due to the
    hardware lacking support or the BIOS having turned off the CPU capability,
    so NX status should be reported.  Additionally, anyone booting NX-capable
    CPUs in 32bit mode without PAE will lack NX functionality, so this change
    provides feedback for that case as well.
    Signed-off-by: default avatarKees Cook <kees.cook@canonical.com>
    Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
    LKML-Reference: <1258154897-6770-6-git-send-email-hpa@zytor.com>
    4b0f3b81
init.c 10.2 KB