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    SubjectRe: [kernel-hardening] Re: [PATCH] x86: make IDT read-only
    On 04/09/2013 11:22 AM, Kees Cook wrote:
    >
    > $ ./sgdt
    > ffff88001fc04000
    > # cat /sys/kernel/debug/kernel_page_tables
    > ...
    > ---[ Low Kernel Mapping ]---
    > ...
    > 0xffff880001e00000-0xffff88001fe00000 480M RW PSE GLB NX pmd
    >

    That is the 1:1 memory map area...

    -hpa
    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.



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