Messages in this thread | | | Date | Wed, 19 Dec 2012 15:37:01 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update ucode on Intel's CPU |
| |
On 12/19/2012 03:30 PM, Borislav Petkov wrote: > On Wed, Dec 19, 2012 at 03:17:59PM -0800, H. Peter Anvin wrote: >> I presume with "too big" he really means "oddly shaped". > > Yeah, that's why it could be enlarged a little in order to adjust it to > the MTRR scheme. This is what the BKDG says about it: >
Yes, they should just cap the hole a few megabytes short and put an UC MTRR at 0xfc00000000. That should happen regardless... this system is dangerous without it.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
| |