Messages in this thread | | | Date | Wed, 19 Dec 2012 15:43:36 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update ucode on Intel's CPU |
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On 12/19/2012 03:40 PM, Yinghai Lu wrote: > On Wed, Dec 19, 2012 at 3:22 PM, H. Peter Anvin <hpa@zytor.com> wrote: >> The other bit is that building the real kernel page tables iteratively >> (ignoring the early page tables here) is safer, since the real page >> table builder is fully aware of the memory map. This means any >> "spillover" from the early page tables gets minimized to regions where >> there are data objects that have to be accessed early. Since Yinghai >> already had iterative page table building working, I don't see any >> reason to not use that capability. > > that is v6, right? > > including that patch >
No, that's just a different way to create the early page tables (and it doesn't solve anything, quite on the contrary.) I'm talking about the strategy for creating the *permanent* page tables
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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