Messages in this thread | | | Date | Tue, 09 Apr 2013 11:26:55 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [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.
| |