Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early updateucode on Intel's CPU

[H. Peter Anvin]

On 12/19/2012 03:55 PM, Borislav Petkov wrote:
> On Wed, Dec 19, 2012 at 03:50:14PM -0800, H. Peter Anvin wrote:
> > We are trying to discuss mitigation strategies with you, but you
> > haven't really given us any useful information, e.g. what happens near
> > the various boundaries of the hole, what could trigger prefeching into
> > the range, and what it would take to fix the BIOSes.
>
> Another thing we could do (I admit it is ugly) is to add a quirk to the
> #MC handler and detect that specific condition by looking at the address
> reported in MCi_ADDR and exit early by not panicking the system.
>
> Again, this is ugly but a possibility, still.

I would really, really hate to have to deal with an early MCE handler, too.

	-hpa

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

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