[coreboot] Dont filter supported CPUs on a mainboard by the CPUID

[Timothy Pearson]

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On 02/22/2017 05:31 PM, i1w5d7gf38keg at tutanota.com wrote:
>  What is the benefit of such a list? I cant see any benefit. Its only
> additional work that is useless.

Example: Certain CPUs require special cache handling / setup to avoid
unusual faults or security vulnerabilities at runtime.  The original
setup code properly configures model 1 stepping 1 CPUs, but stepping 2
CPUs require special setup.  User installs coreboot and uses it with a
stepping 2 CPU without adding in the new setup code -- it seems to run,
but crashes every once in a while.  User (possibly) figures out coreboot
is the problem and is very unhappy.

Again, this is very low level stuff; mistakes do not always show up as
"failure to boot".  If you want to verify your CPUs and add them to the
list please do so!

- -- 
Timothy Pearson
Raptor Engineering
+1 (415) 727-8645 (direct line)
+1 (512) 690-0200 (switchboard)
https://www.raptorengineering.com
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