Re: [PATCH] x86, microcode: Don't initialize microcode code on paravirt

Boris Ostrovsky
2014-12-02T14:35:15Z

On 12/01/2014 05:37 PM, Borislav Petkov wrote:
> On Mon, Dec 01, 2014 at 05:31:56PM -0500, Boris Ostrovsky wrote:
>> I think so. The problem we have now is __pa() macro that we only use
>> on 32-bit. I'll queue this for overnight tests to make sure and if it
>> indeed works then 3.19 should be fine.
> Cool, thanks.

All tests passed.

> I'd still take your patch for 3.19 though because I'm fixing the 32-bit
> reloading path properly and will remove the ifdef afterwards.
>
> And even then, I'd like to prevent loading the module on a paravirt
> guest if it is totally unneeded there.
>

I wonder whether we should prevent all guests (not just paravirt) from
loading microcode driver (and from doing early microcode loading).

-boris